SurfIP.com

- US Granted - USPTO

1972-01-18

A method and system for the automatic control and regulation of chemical processes in chemical plants using digital process computers which comprises operating at least two identical computers in parallel, each equipped with an operating core storage means (principal memory means) and a mass...

- China(Native) - SIPO

2005-01-26

本发明解决了现有强酸树脂催化剂存在的高温机械强度差、孔净化工艺复杂等问题，提出了加压聚合和孔净化方法简单的制备方法，加压聚合提高了聚合物珠体结构的均匀性，改善了树脂的高温机械稳定性，先采用溶剂汽油抽提再用卤代烷烃蒸煮，简化了孔净化方法，制备出的强酸阳离子树脂催化剂具有耐高温和良好的催化活性的同时，其高温机械稳定性明显高于同类产品。

- US Granted - USPTO

1999-12-28

A gas fired burner is provided for use in applications such as chemical process furnaces for process heaters in refineries and chemical plants, and the like. The burner is provided with a plurality of fuel gas inlets for enabling manipulation of the flame shape and combustion characteristics of the...

- US Granted - USPTO

1971-12-07

This invention relates to flame-resistive, nonflammable foam compositions comprising a flame-resistive organic foam material and an inorganic filler. The flame-resistive organic foam material is produced by using an aromatic polyisocyanate having no ortho substituent, an active hydrogen-containing...

- US Granted - USPTO

1999-11-16

- US Granted - USPTO

1985-07-30

A process for the removal of hydrogen sulfide from a gas which comprises contacting the gas with a solution comprising ferric ions (Fe.sup.3 ) and ferrous ions (Fe.sup.2 ). The solution further comprises ethylenediamine tetraacetic acid (EDTA) or a salt thereof and triethanolamine (TEA) or a salt...

- US Granted - USPTO

1984-04-24

Waste receptacles for use by animals, such as laboratory animals and household pets, are provided with an odor barrier of lightweight, non-absorbent, non-water-wettable, granular material, such as paraffin wax coated corn cob granules. The buoyant, non-absorbent, lightweight granular material is...

- US Granted - USPTO

1989-12-12

A starting hydrogen sulfide-containing gas is purified by way of a two-stage oxidation to elemental sulfur with oxygen which is supplied in an amount of 100-110% of the stoichiometric quantity necessary for oxidizing hydrogen sulfide to elemental sulfur. Oxidation at the first stage is carried out...

- US Granted - USPTO

1976-03-16

Sulfur compounds oxidizable to form sulfuric acid and organic compounds oxidizable to CO.sub.2 and H.sub.2 O are removed from an exhaust gas of a contact-process plant for producing sulfuric acid by treating the exhaust gas with a scrubbing solution consisting of dilute sulfuric acid and...

- US Granted - USPTO

1999-11-30

- US Granted - USPTO

1984-12-11

A coating composition of a fluorocarbon polymer which cures at ambient temperatures in which a fluorocarbon polymer in solution is of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 5,000-600,000; the composition also containsa dispersed fluorocarbon...

- US Granted - USPTO

1988-07-05

There is disclosed a valve comprising one valve seat ring, of a disc or a body, having a surface composed of a Cr-Mn-Fe system or a Cr-Ni-Fe system Fe-based precipitation hardening type alloy, and another valve seat ring thereof having a surface composed of a Cr-Ni system Ni-based alloy having a...

- US Granted - USPTO

1982-11-02

The system interfaces with a conventional data bus 10 and address bus 12. A decoded address pulses one address line 17 and a corresponding transducer 20 launches light pulses on all sixteen fibres of a cable 21. All cables 21 lead to corresponding transducer stations from which return cables 22...

- US Granted - USPTO

1981-03-10

A portable safety flare for combustion of waste gases is disclosed for the combustion of combustible gas from oil wells, combustible waste gas from oil refineries and chemical plants, and particularly where it is not desired to go to the expense of installing a flare stack or for use in exploratory...

- US Granted - USPTO

1985-01-22

A primer composition for fluorocarbon polymer coatings which cures at ambient temperatures and contains a fluorocarbon polymer of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 50,000-300,000;a metallic oxide such as magnesium oxide which is an acid...

- UK - IPO

1976-09-15

1449261 Conductive compositions RAYCHEM CORP 7 Sept 1973 [8 Sept 1972] 42139/73 Heading C3P [Also in Division H1] A non-linear PTC resistive device which may be used for heat tracing pipes in chemical plants to prevent freezing or to maintain flow of viscous materials, for heat sensing, or for...

- US Granted - USPTO

1996-07-30

A real time remote sensing pressure control system is provided which uses periodically sampled remote sensors to generate a bias signal that modifies the base setpoint of a proportional-integral controller that controls variable speed pumps. This control scheme saves energy by slowing the...

- US Granted - USPTO

1985-03-19

- US Granted - USPTO

1977-01-18

A flare stack gas burner for waste combustible gas from oil refineries, chemical plants, oil production rigs, LPG and other marketing terminals, pipe lines and the like is disclosed which includes a stack with a centrally disposed combustible gas delivery pipe having a divider at the top with arms...

- US Granted - USPTO

1984-12-25

A coating composition of a fluorocarbon polymer which cures at ambient temperatures in which the fluorocarbon polymer is of vinylidene fluoride and hexafluoropropylene and has a weight average molecular weight of about 50,000-600,000; the composition containsa metallic oxide such as magnesium oxide...

- US Granted - USPTO

1978-12-05

A flare stack gas burner for waste combustible gas from oil refineries, chemical plants, oil production rigs, LPG and other marketing terminals, pipe lines and the like is disclosed which includes a stack for waste gas delivery with an air delivery pipe therein with a plurality of outwardly...

- US Applications - USPTO

2006-03-16

Thousands of process and equipment measurements are gathered by the modern digital process control systems that are deployed in refineries and chemical plants. Several years of these data are historized in databases for analysis and reporting. These databases can be mined for the data patterns that...

- Europe - EPO

1998-07-22

A method of decomposing wastes containing target compounds having one or more of hydrolyzable bonds of ether bond, ester bond, amide bond and isocyanate bond wherein the method comprises continuously supplying the wastes in a molten state or liquid state to a reactor, continuously supplying...

- US Granted - USPTO

1985-01-22

- US Granted - USPTO

1995-08-29

Mulitube falling-film reactor for the continuous sulfonation and sulfation of fluid-state organic substances by reaction with gaseous sulphuric anhydride (SO.sub.3), has each tubular element non-permanently fixed to the plates and has a nozzle (10) fitted in a sleeve (20) integral with a reaction...

- US Granted - USPTO

1994-11-01

Waste water chemical oxygen demand is reduced from a waste water by passing the water in the presence of an oxidizing agent through an adsorbent porous solid substrate, preferably zeolite A, zeolite X, zeolite Y, ZSM-5, erionite, or chabazite which has been partially ion exchanged with a water...

- China(Native) - SIPO

1991-04-17

本说明涉及有机化合物和石油产品等的氮含量测定方法。本方法采用石英裂解管、酸性气体吸收管、滴定池、微库仑仪和记录仪等组成的微库仑滴定仪，本方法的特征是在裂解管内镍系催化剂填料段前，增添适量铬粉作除硫卤剂和烃类裂解催化剂的填料段，滴定池的参比电极由Ｐｔ／难溶的金属化合物饱和溶液构成，该金属化合物饱和溶液是由二氧化铈、草酸铈、四氧化三铁、磷酸铁和四氧化三铅中选择一种配制的。

- US Granted - USPTO

1984-11-06

The sewage consists of gas condensates from coal-gasifying plants and/or coal chemical plants and contains the anions SO.sub.4.sup.--, SCN.sup.-, NO.sub.3.sup.-, Cl.sup.- and F.sup.- in a total of at least 2 mval/l and contains organic matter corresponding to a chemical oxygen demand of at least...

- US Granted - USPTO

1979-05-08

The invention relates to a method for the preparation of polyamides with enhanced electric conductivity (specific resistance below 10.sup.9 .OMEGA..cm) by the anionic polymerization of lactams with 7 to 13 atoms in the ring using the usual basic polymerization initiators and accelerating...

- US Applications - USPTO

2002-08-15

A simple yet effective and robust identification method is presented using process step responses for process identification that can provide a continuous transfer function with time-delay without iteration. A cascade relay provides accurate and reliable more points on the process frequency...

- US Granted - USPTO

1986-11-11

Decomposable organic compounds can, at times, be contained in the feedwater for steam generators; these decomposable compounds can stem from the untreated water supply or from the recondensate if the steam is utilized as heating steam for chemical plants and the condensate is recycled into the...

- US Granted - USPTO

1985-05-14

A curing agent for fluorocarbon polymer coating compositions selected from the following group: ##STR1## where R is R.sup.1 NH, R.sup.1 is an aliphatic or cycloaliphatic hydrocarbon radical, R.sup.2 is C or an aliphatic hydrocarbon group, R.sup.3 is H or CH.sub.3, where x is 3 when R.sup.2 is a...

- France - INPI

1981-10-30

The invention relates to a method of generating mechanical energy from waste heat as a downstream process in thermodynamic methods and cyclic processes which produce waste heat, the usable heat conversion being in the low temperature region (

- US Granted - USPTO

2001-07-03

- US Granted - USPTO

1995-12-12

A structure found of several structural segments with superposed rooms is used for chemical plants which permit a very flexible method of production with rapid product changes. The plant components together with associated connections are housed on mobile frames in the rooms so that the plant...

- US Granted - USPTO

1995-08-01

The present invention relates to sealing materials free from asbestos or other inorganic fibrous substances in the form of papers, paperboards, cardboards or plates. The gasket compositions preferably comprise a mixture of non-fibrillated organic fibers having an elongation at break of < 5% (up...

- China(Native) - SIPO

1991-07-10

本发明为一种丙烯酸及丙烯酸酯类的阻聚方法，该方法是在丙烯酸及丙烯酸酯类的生产过程中加入哌啶氮氧自由基型高效阻聚剂，其化学名称为２，２，６，６－四甲基－４－羟基氮氧自由基。该阻聚剂具有无毒、无害、易于溶解，使用量小、阻聚性能高等优点，完全取代了通常使用的阻聚剂二丁基氨基硫代甲酸铜，解决了无机铜带来的三废问题和甲酸对设备的腐蚀问题，实现了阻聚剂完全国产化，同时还减少了阻聚剂对苯二酚的使用量，经济效益显著。

- Europe - EPO

1988-03-09

A system for tracing a fault for use in a plant based on expert knowledge of specialized technology in various plants such as power plants, chemical plants, manufacturing factories, and steel and iron plants is disclosed which takes inference steps for troubleshooting by means of a computer...

- Europe - EPO

1982-07-14

In cases where spark discharges could be dangerous, e.g. explosive factories, chemical plants and operating theatres, it is important to provide footwear soles, floor tiles and the like which are of a controlled electrical conductivity. i.e. not to such a high conductivity that danger of...

- US Granted - USPTO

2008-03-25

- US Granted - USPTO

2003-05-13

The invention relates to a novel and most efficient scrubber for the treatment of flue gases from power generation plants or from chemical plants, in order to absorb objectionable impurities, such as SO2, SO3, HCl, nitrous oxides, into a water-based solution, in which solids are not substantially...

- US Granted - USPTO

2000-10-17

A method has been invented for separating components of a wastewater stream, the stream containing water, oil (e.g. heavy oil and/or light oil), undesirable organic material (solid and/or liquid), and contaminating solids, the method including feeding a wastewater stream to a first pre-treatment...

- Europe - EPO

1993-04-21

Amorphous alloys having an extremely high corrosion resistance which comprise Cr and at least one element selected from Ta and Nb, as essential components, and are spontaneously passive owing to the formation of stable protective films even in very corrosive environments such as poorly oxidizing...

- US Granted - USPTO

1980-10-14

A mobile vehicle having self-contained apparatus for classifying, cleaning and reconstituting granular or pelletized materials, such as catalysts used in chemical plants, without polluting the surroundings, is adapted to travel from plant to plant over conventional highways and quickly placed in...

- US Granted - USPTO

1975-03-25

Sulfur oxides such as sulfur dioxide as well as nitrogen oxides are removed from flue gas by contacting the flue gas at elevated temperatures with a molten medium containing an alkali or alkaline earth metal oxide of hydroxide, including mixtures thereof, in combination with a glass-forming oxide...

- Europe - EPO

2006-05-24

An object of the present invention is to provide a novel microorganism which has an excellent ability to solubilize a variety of organic solid matter such as biological sludge including raw sludge and excess sludge discharged from sewage treating processes at sewage treatment plants, night soil...

- US Granted - USPTO

2002-10-08

- US Granted - USPTO

1997-05-06

A heat resistant austenitic stainless steel having high strength at elevated temperatures. The steel consists of 0.05 to 0.15% carbon, not more than 0.5% silicon, 0.05 to 0.50% manganese, 17 to 25% chromium, 7 to 20% nickel, 2.0 to 4.5% copper, 0.10 to 0.80% niobium, 0.001 to 0.010% boron, 0.05 to...

- Europe - EPO

1996-01-03

- US Granted - USPTO

1995-10-24

Amorphous alloys having an extremely high corrosion resistance comprise Cr and at least one element selected from Ta and Nb, as essential components, and are spontaneously passive owing to the formation of stable protective films, even in very corrosive environments such as poorly oxidizing...

- US Granted - USPTO

1995-04-04

A thermal guard for pipes to protect personnel from hot or cold pipes in refineries, chemical plants and other places processing hot or cold fluids. The guard is made from metal and contains no insulation so that the pipes are readily visible for observing leaks and can be readily repaired. The...

- China(Native) - SIPO

1992-12-16

本发明涉及聚氯乙烯（ＰＶＣ）树脂的配料与加工技术，特别是ＰＶＣ增塑糊料的制备，用于旋转成型加工生产玩具等搪塑制品。由均聚或共聚乳液法制备的聚合度为８００～２０００的聚氯乙烯树脂作为特性树脂，邻苯二甲酸酯类、脂肪族二元酸酯类或环氧酯类作为增塑剂，碳酸钙、滑石粉或灰硅石粉作为填料，硬脂酸钙或硬脂酸锌金属皂作为稳定剂，再加入一定量的钛白粉或钛青类颜料，这样组成聚氯乙烯增塑糊料触变性小，流动性好，粘度稳定，无味无毒，有良好的脱气性和脱模性。

- Canada - CIPO

1990-03-13

ABSTRACT SOIL REVITALIZATION A process and an apparatus for the decontamination of industrial waste and the revitalization of soil containing industrial waste, having dioxins and/or polychlorinated aromatic compounds, without depletion of the valuable nutrient contained in said soil. The process...

- US Granted - USPTO

1985-07-23

A curing agent for fluorocarbon polymer coating compositions having the formula ##STR1## where R is R.sup.1 NH, R.sup.1 is an aliphatic or cycloaliphatic hydrocarbon radical, R.sup.2 is C or an aliphatic hydrocarbon group, R.sup.3 is H or CH.sub.3, where x is 3 when R.sup.2 is a hydrocarbon group...

- US Granted - USPTO

1979-10-23

A flame retardant laminate of plastic material, such as polypropylene, comprises a core of non-flame retardant plastic material, initially in the form of sheet or pellets of resin, and a thin layer or cladding of compatible flame retardant plastic material bonded to the core, the layer or cladding...

- UK - IPO

1976-08-04

1445061 Gas stream cleaning BECKMAN INSTRUMENTS INC 5 Aug 1974 [29 Aug 1973] 34376/74 Heading BIT Solids are separated from a gas stream 26 by returning a proportion 24 of the gas stream against the main flow 26 whereby a "dynamic screen" is formed, e.g. in an inlet probe 12. A pump 14 draws gas...

- US Granted - USPTO

1998-12-15

A super duplex stainless steel with low susceptibility to weld cracks and high weldability, as well as the resistance to stress corrosion cracking and toughness of the weld zones. The steel is therefore suitable for a wide range of applications including heat exchangers exposed to sea water,...

- Europe - EPO

1997-02-05

The duplex stainless steel according to the invention provides super duplex stainless steel with low susceptibility to weld cracks and high weldability, as well as the resistance to stress corrosion cracking and toughness of the weld zones. The steel is therefore suitable for a wide range of...

- China(Native) - SIPO

1994-03-30

本发明是一种用盐田苦卤和氯化钾制备硫酸钾的方法，原料苦卤经过蒸发、冷却、浮选，再与氯化钾转化制取硫酸钾，同时副产工业盐和老卤。产品硫酸钾的质量达到进口钾肥指标，工业盐达到国家标准，老卤可作为提溴和生产六水氯化镁的原料。全部过程的钾回收率达９５％以上，每产１吨硫酸钾需原料苦卤约２０吨，副产盐１．９吨，老卤７．５吨。工艺过程中无任何废料排放。若采用此项技术对国内苦卤化工厂进行改造，将产生十分明显的社会经济效益。

- China(Native) - SIPO

1992-05-27

本发明涉及一种以３～１２ｍ％的量直接加入内燃机润滑油用的减摩复合剂。该减摩复合剂含有２～８０ｍ％的（ａ）部分硼化部分硫磷化的含羟基酯的锌盐或１０～２４ｃ脂肪胺盐，含羟基酯是由新戊基二元醇和三羟甲基丙烷中选择的至少一种多元醇与１０～２４ｃ脂肪酸中选择的至少一种酸制备的含羟基部分酯；２～８０ｍ％的（ｂ）二（３～２０ｃ烃基）二硫化磷酸硫氧化钼；２～３０ｍ％的（Ｃ）碱性７～２１ｃ烷基水杨酸钙盐；１５～８０ｍ％的（ｄ）矿物润滑油。

- China(Native) - SIPO

1992-04-29

本发明涉及一种饲料添加剂乳酸钙强壮素及其生产工艺。乳酸钙强壮素是一种白色粉粒状态的乳酸钙与磷酸钙混合物，主要含有乳酸钙、钙、磷和水分，它能有效治疗家畜家禽严重缺钙所引起的各种病症而提高其经济效益。本发明以玉米、麦皮和碳酸钙为原材料，经微生物发酵、过滤、晶化、干燥制成乳酸钙，再加入一定比例的磷酸钙，经混合粉碎后制成有机钙作为饲料添加剂。

- China(Native) - SIPO

1989-04-12

一种油（气）井固井用的新型高效超低粘度水泥缓凝剂及制造方法，以高度降解的精制棉纤维素、氯乙酸钠、烧碱、甲醇等为原料，并经甲醇液加盐酸中和洗涤，制成含甲醇改性的超低粘度羧甲基纤维素盐即本发明缓凝剂。用它加入水泥浆中，具有缓凝效果好、溶解快、粘度低、流动性好、抗温、受压不反常等特点，能够满足油（气）井，特别是深（热）井固井安全施工的要求。

- UK - IPO

1987-10-28

Metal vessels, especially those used in chemical plants, may be coated on one or more surfaces with a layer of acid resisting glass. The invention lies in coating the glass with a layer 4 of fluoroplastic so as to improve the chemical resistance of the glass and to prolong the useful life of the...

- Europe - EPO

1987-06-10

A process for producing seamless steel pipes to be used as oil well pipes, line pipes, piping for chemical plants, etc. having both high strength and high sulfide stress corrosion cracking resistance by using inexpensive components, which process comprises increasing the content of C and minimizing...

- Europe - EPO

1982-04-14

An earthquake-proof support grip for supporting tubes in a steam generator, heat exchanger or the like, particularly for use in P.W.R. nuclear plants and for special heat exchangers for use in petro-chemical plants, comprising a reticular structure formed of main [1(x), 2(x)] and secondary [3(x),...

- Europe - EPO

1980-04-16

A monitoring device (10) comprises a switch (33), which can be automatically converted into a position effective for alarm triggering when fluid occurs at the point to be monitored or exceeds a specific level. Such monitoring devices are applied domestically, in industry, in laboratories, in...

- US Granted - USPTO

1979-11-20

A process is disclosed for reducing the available chlorine content of aqueous waste streams produced in chemical plants, especially calcium hypochlorite plants, in order to permit further purification treatment in waste purification systems which employ activated carbon. The available chlorine...

- US Granted - USPTO

1977-07-26

A flare stack gas burner for waste combustible gas from oil refineries, chemical plants, oil production rigs, LPG and other marketing terminals, pipe lines and the like is disclosed which includes a stack providing a combustible gas delivery pipe with a plurality of outwardly extending hollow vanes...

- UK - IPO

1972-12-20

1300125 Safety shower J D HUGHES FABRICATIONS Ltd 29 Sept 1971 [1 Oct 1970] 46651/70 Heading A4N [Also in Division A5] A shower for use as an outdoor safety shower e.g. for utilization at chemical plants for workers splashed with corrosive materials, comprises a water outlet 10 arranged to spray...

- US Granted - USPTO

2007-03-20

An enclosure constructed around an area at which hot work is to be performed at a facility containing flammable or combustible material. Hot work includes such things as welding, torch cutting, grinding and the like. Facilities include petroleum drilling and production platforms, oil tankers,...

- US Applications - USPTO

2007-03-08

- China(Native) - SIPO

2006-03-22

一种芳香除菌剂，由海藻胶、香精、有机溶剂、增溶剂、色素、二氧化氯、缓释剂、水组成，经过加温、溶解、冷却，制成各种颜色的透明凝胶或凝胶颗粒，香精和二氧化氯能在空气中自然缓慢释放出来。本芳香除菌剂在使用过程中操作简便、长效、无刺激，与现有空气清香剂相比，在不影响原有芳香效果的同时具有杀菌作用。

- US Applications - USPTO

2005-05-19

Disclosed is a packaged chilling system for providing chilled water to an air conditioning system for a building that includes: a duct system; an air handling system; and a water chilling system; wherein: the duct system is in operable communication with a building that has a plurality of rooms, at...

- US Granted - USPTO

2005-02-01

- PCT - WIPO

2001-12-27

A fine air bubble generator capable of preventing the clogging of reactants and waste materials by producing a large amount of fine air bubbles in the water of water tanks, pools, rivers, lakes and marshes, or dams, in the water (sea water) of cultivating ponds, coastal farms, or fresh fish...

- China(Native) - SIPO

1998-07-15

脱水磷石膏属于一种缓凝剂，其特征是由磷石膏加上磷石膏重量１０―８％的生石灰混均构成。脱水磷石膏的生产方法是将含水量为１７―３０％的磷石膏和磷石膏重量１０―８％的生石灰，搅拌均匀后，自然反应４０―３０分钟后，上成型机，制成２５ｍｍ以下的颗粒状。脱水磷石膏在水泥生产中可代替天然石膏，作为缓凝剂，可提高水泥质量，且可使化工厂、制药厂的废弃物磷石膏得到综合利用。

- China(Native) - SIPO

1996-10-30

一种营养强化油涉及食用油，采用６０～９８％米糠油等植物油，１．９～３８％红花籽油等植物油，０．１～２％β－胡萝卜素，维生素Ｅ等油溶性营养素，经过水化盐析，真空蒸馏脱酸，混合物脱色，冷冻脱脂脱蜡及强化工艺精制而成。由于添加的营养素为油溶性物质，兼有营养及抗氧化作用，所以既能提高人体的抗癌等疾病的能力又提高了油品的稳定性，延长了保质期。本工艺与传统工艺相比具有出油率高，成本低的特点，并且使油质量大幅度提高。

- China(Native) - SIPO

1995-09-06

本发明提供一种有机硅偶联剂制备方法，具体地说是一种中性乙烯基三乙氧基硅烷的制备方法，在制备过程中采用氯乙烯和三氯硅烷进行缩合反应生成乙烯基三氯硅烷，再与乙醇进行脂化反应生成乙烯基三乙氧基硅烷，然后用乙醇镁进行中和反应在除去残余的酸和中间产物，使反应收率达７０―９５％以上，纯度达９８％，和现有技术相比具有工艺设备运行，产品收率高、纯度高、成本低等特点，产品很受用户的欢迎，有很好的推广使用价值。

- China(Native) - SIPO

1995-03-01

本发明公开了一种生产碳酸锶的方法，包括将天青石矿粉与含硅、铝元素的脱硫剂混合煅烧，然后将煅料通过氯化铵溶液浸取得氯化锶溶液，再加入碳酸盐或碳酸氢盐或二氧化碳类沉淀剂；亦或经除杂处理后再加沉淀剂，沉淀出碳酸锶；最后经水洗、烘干即得成品。该方法克服了常规技术或耗用大量化工原料、流程长、设备占用量大或能耗高、原料要求高等弊病。而具有流程短、化工原料耗费及占用设备少，能耗和生产成本低以及资源利用率高等特点。

- China(Native) - SIPO

1994-10-05

本发明提供一种氮、磷、钾复混肥的造粒添加剂，它的组成包括共同掺混的粉粒状α－半水石膏(CaSO 4 ・1/2H 2 O)和粉粒状吸氨无机物，吸氨无机物是从膨润土、沸石粉、海泡石和硅藻土中任意选择一种或几种。其配比为:α－半水石膏:40～60％(重量)，吸氨无机物:60～40％(重量)。该造粒添加剂与粉粒状碳酸氢铵、磷酸盐和氯化钾相掺混经挤压造粒制成的颗粒状复肥，具有碳酸氢铵不易分解、结块；氮、磷、钾含量配比适合植物生长需要，养分释放时间长等优点。

- China(Native) - SIPO

1993-09-15

一种亚硝酸钠“直接法”生产工艺，包括氧化、降温、吸收、蒸发、结晶、分离，要点是经降温至１７０―２２０℃高温的高浓度氧化炉气直接送至吸收塔，用适宜比重的纯碱溶液吸收，并合理控制吸收塔液相温度和气相出口温度。本发明一是产品可以独立生产，不受硝酸生产能力限制；二是产品质量好，与其后制得的硝酸钠相比，产量比例高，效益大；三是设备运行费用低。

- China(Native) - SIPO

1991-11-27

一种高活性高纯度氢氧化钙的生产方法。属钙的化合物领域。是由石灰石、焦炭经煅烧，生产出活性较高的生石灰，再经破碎、加水消化、分离制成。本发明的特征在于：经煅烧后的生石灰，在破碎前先进行筛分、消化过程中控制的是水钙比，另通过控制消化温度、消化压力，对分离出的粗粉再进行筛分、粉碎等工艺使生产出的氢氧化钙达到活性高３００ｍｌ以上，纯度高、ＣａＯ含量７２％以上、杂质含量１．７％以下。且产品收率达９５％以上，满足环氧氯丙烷、高效漂粉精等化工生产的要求。

- China(Native) - SIPO

1990-10-24

本发明为一种从含有丙烯酸和丙烯酸二聚体的废油中回收丙烯酸的方法。其具体实施方案是采用加热分解蒸馏装置，将含有丙烯酸和丙烯酸二聚体的废油在常压下升温至１１０－１５０℃，进行分解蒸馏，同时加入溶剂工艺水，便于丙烯酸二聚体的分解和丙烯酸的蒸馏。$采用本发明可回收废油中８０％以上的丙烯酸，使丙烯酸精制系统的丙烯酸总回收率由原来的９８．５％提高到９９－９９．５％，相当于增加产量１％，经济效益显著。

- China(Native) - SIPO

1990-07-18

本发明公开了树脂型显色材料及其制备方法。树脂型显色材料是以酚、醛为基材通过缩合反应的生成物，或生成物加入金属化合物改性的显色树脂。其特征是热塑性固态树脂，软化点５０－１８０℃，与无色染料接触时具有优良的显色性能――显色密度高，显色后耐光、耐水、耐溶剂、显色牢度好。其制备特征在于对位取代酚与过量醛先生成初级对位取代酚醛树脂，然后再加入多官能度酚，反应生成对位取代酚――多官能度酚／醛树脂。其改性方法是加入多价金属化合物生成金属――树脂螯合物。本发明的显色材料经细碎、研磨、乳化等制成稳定的分散体系――显色剂后，应用于压敏复写纸显色涂层。

- US Granted - USPTO

1989-12-05

An apparatus for applying a liquid chemical to plants includes an elongate hollow body which contains a liquid chemical. In use, the hollow body is transported through the plants in a direction transverse to the length of the elongate body. The elongate body includes a row of bottom holes and a row...

- China(Native) - SIPO

1989-02-22

轻型双向拱玻璃钢整体大瓦。本发明涉及一种建筑物顶的瓦片，特别是大跨距建筑物顶上的瓦。$本发明由玻璃钢制成，其外形呈双向圆拱。使用本结构，可缩短建筑工期、不需屋架和房梁、可节省大量钢材和木材。与传统的建筑屋顶相比，其重量仅为１／８重，减少了建筑自重负荷，用于大跨距的具有强腐蚀性的化工厂车间，其优越性更为明显。本发明结构简单，无论制造或安装都很容易。

- China(Native) - SIPO

1988-11-02

一种稀土金属有机盐类的ＰＶＣ热稳定剂，由稀土金属ＲＥ（ＲＥ＝Ｌａ，Ｃｅ，Ｐｒ，Ｎｄ……Ｌｕ，Ｙ，Ｓｃ，ＲＥ可以是其中一个元素，二个或二个以上元素，甚至全体元素的混合物，它们氧化物纯度均为９５－９９％）的水溶性无机盐与十八烷基酸反应而合成的稀土十八烷基酸盐，它可与增塑剂ＤＯＰ捏成含ＲＥ＝７．０－８．０％或含ＲＥ２－３．５％和Ｂａ４．５－７％的半膏状物应用。

- UK - IPO

1987-10-07

A top entry ball valve, for gas and oil wells and chemical plants, has a fire safe sealing assembly comprising, on each side of the ball 12, first and second tubular parts 40, 42 threaded together at 44, an outer spring urged (60) ring 52, a spring-holding ring 64, an annular spacer 68 segmented to...

- UK - IPO

1987-10-07

A side-entry ball valve, for gas and oil wells and chemical plants, has a fire-safe sealing assembly comprising, on each side of the ball 12, an inner seat ring 46, an outer spring urged (68) seat ring 50, a spring holding ring 42, a first cylindrical collar 94 and a second spring urged (118)...

- PCT - WIPO

1986-12-04

- China(Native) - SIPO

1986-09-24

络合肥料三硝酸六尿素合铁Ⅲ的合成方法是用硝酸铁和尿素在适当条件下,经化学作用,生成三硝酸六尿素合铁的含铁络合肥料.生产方法简单,原料易得,成本低廉,适于工业化生产.肥料稳定长效,适用于多种作物和果料,增产效果显著,宜于普遍推广使用.

- Europe - EPO

1985-01-16

A curing agent for fluorocarbon polymer coating compositions selected from the following group: where R is R<1>NH, R<1> is an aliphatic or cycloaliphatic hydrocarbon radical, R<2> is C or an aliphatic hydrocarbon group, R<3> is H or CH3, where x is 3 when...

- UK - IPO

1979-02-28

A flare stack gas burner for waste combustible gas from oil refineries, chemical plants, oil production rigs, LPG and other marketing terminals, pipe lines and the like is disclosed which includes a stack for waste gas delivery with an air delivery pipe therein with a plurality of outwardly...

- UK - IPO

1975-11-26

1415512 Gas detectors ELECTRICAL REMOTE CONTROL CO Ltd 8 Feb 1973 [15 Feb 1972 26 July 1972] 7035/72 Heading G1N In a catalytic detector means are provided to continuously supply a mixture of air and combustible gas or vapour of known composition to the vicinity of the catalyst whereby, in use, the...

- UK - IPO

1975-04-09

1390381 Hydrogenating fatty oils BLAWKNOX CHEMICAL PLANTS Inc 21 Feb 1972 [24 Feb 1971 10 June 1971] 7946/72 Heading C5C In a process for the continuous hydrogenation of fatty oil in the presence of a catalyst, the hydrogen is metered into the reaction zone at spaced intervals along the reaction...

- UK - IPO

1972-10-18

1293019 Winding tubes KUNSTSTOFFBURO PORTA GmbH & CO KG 16 Feb 1970 [20 Feb 1969] 7400/70 Heading F2P A process for producing fibre reinforced plastics tubes comprises delivering fibre blanks 21, e.g. glass or polyester fibre fleece, and/or webs of interlaced rovings, which may be drawn from a...

- US Granted - USPTO

1971-05-11

This invention provides a novel floor system which has outstanding advantages in structures, such as powerhouses, nuclear power plants, chemical plants and other such large structures whereby an adequate floor is provided with a sizeable reduction in deadweight. The deadweight design of these...

- France - INPI

1969-05-16

- UK - IPO

1946-07-16

578,874. Heat-treating copper alloys. COOK, M., ALEXANDER, W. O., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. Oct. 17, 1941, No. 13377. Addition to 537,404. Drawings to Specification. [Classes 72 and 82 (i)] Corrosion-resistant copper base alloys are produced by subjecting to the heat treatment...

- China(Native) - SIPO

2010-08-25

本发明涉及一种阿维菌素和毒死蜱油烟剂的农药组合物，该农药组合物的特征在于：该组合物包含阿维菌素和毒死蜱两种有效成分，其中所述的有效成分阿维菌素的重量百分含量为1-3％，所述的有效成分毒死蜱的重量百分含量为9-27％；所述两种有效成分阿维菌素和毒死蜱的优选重量比为1∶9；本发明还提供由该农药组合物配制而成的油烟剂型。本发明的农药组合物顺应了农药向高效、低毒、无残留、易降解发展的趋势，特别是该农药组合物的油烟剂型不仅加工工艺简单，各项测试指标均符合相关要求，是一种性能可靠、经济、安全、有效的油烟剂，且油烟剂由于不受地形、树干的高度以及水源的限制。该农药组合物主要应用于橡胶树上的朱砂叶螨、六点始叶螨...