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1. 发明授权

US5266659A Solid state process for the preparation of high molecular weight poly(arylcarbonate)s from amorphous oligomer 失效
标题翻译：用于从无定形低聚物制备高分子量聚（芳基碳酸酯）的固态方法
公开(公告)号：US5266659A
公开(公告)日：1993-11-30
申请号：US878932
申请日：1992-05-05
申请人： Swaminathan Sivaram , Jagdish C. Sehra , Venkat S. Iyer , Koyalagunta Ravindranath
发明人： Swaminathan Sivaram , Jagdish C. Sehra , Venkat S. Iyer , Koyalagunta Ravindranath
IPC分类号： C08G64/06 , C08G64/20 , C08G64/30 , C08G64/40
CPC分类号： C08G64/307 , C08G64/06 , C08G64/20 , C08G64/40
摘要： The invention disclosed is an improved process for the preparation of high molecular weight poly(arylcarbonate), the molecular weight ranging from 45,000-60,000 (corresponding to n.sub.inh 0.8 to 1.0) The process involves heating in a controlled manner, a BPA-polycarbonate oligomer in the presence of a catalyst selected from alkali metal aryl acid, alkali metal borohydrial and a quarternary ammonium salt of bioxiyanion derived from a carboxylic acid poly(arylcarbonate)s of high molecular weight produced by the process of present invention show enhanced crystallinity.
摘要翻译：本发明公开了一种制备高分子量聚（芳基碳酸酯）的改进方法，其分子量范围为45,000-60,000（对应于0.8至1.0）。该方法包括以受控方式加热，将BPA-聚碳酸酯低聚物选自碱金属芳基酸，碱金属硼氢化物的催化剂和由本发明方法生产的高分子量羧酸聚（芳基碳酸酯）衍生的生物氰化物的季铵盐的存在显示出增强的结晶度。

2. 发明授权

US5288838A Preparation of polycarbonates with bioxyanion catalyst 失效
标题翻译：用生物阴离子催化剂制备聚碳酸酯
公开(公告)号：US5288838A
公开(公告)日：1994-02-22
申请号：US865951
申请日：1992-04-09
申请人： Swaminathan Sivaram , Jagdish C. Sehra , Venkat S. Iyer , Ishwar S. Bhardwaj , Sheo Satish
发明人： Swaminathan Sivaram , Jagdish C. Sehra , Venkat S. Iyer , Ishwar S. Bhardwaj , Sheo Satish
IPC分类号： C08G64/30
CPC分类号： C08G64/307
摘要： The invention discloses an improved process for the preparation of aryl polycarbonates. The process involves reacting aryl carbonate and dihydric phenol in the melt phase with a catalyst belonging to the class of quaternary ammonium bioxyanions having the general formula: ##STR1## Wherein `X` represents a carboxylate or a phenolate group or a mixture thereof and `R` represents alkyl or aryl.
摘要翻译：本发明公开了一种制备芳基聚碳酸酯的改进方法。该方法包括使熔融相中的芳基碳酸酯和二元酚与属于具有以下通式的季铵生物阴离子类型的催化剂反应：（*化学结构*）其中X'表示羧酸酯或酚盐基或其混合物 “R”表示烷基或芳基。

3. 发明申请

US20070053950A1 Composition of polymer microcapsules of biocide for coating material 审中-公开
标题翻译：用于涂料的杀生物剂聚合物微胶囊的组成
公开(公告)号：US20070053950A1
公开(公告)日：2007-03-08
申请号：US11361551
申请日：2006-02-24
申请人： Shukla Gajanan , Swaminathan Sivaram , Ahmad Absar
发明人： Shukla Gajanan , Swaminathan Sivaram , Ahmad Absar
IPC分类号： A01N25/34 , A61K9/48
CPC分类号： A61K9/5026 , A01N25/28 , A61K9/5031 , C09D5/14 , A01N43/70 , A01N55/02 , A01N2300/00
摘要： The invention provides composition comprising microcapsules containing biocides for coating material such as paint. The invention describes composition of microcapsules containing biocides, especially Irgarol (algaecide) and Zinc Pyrithione (fungicide) and coating material such as paint to increase the life of coating material from the attack of algae and fungi respectively. The invention demonstrates that microcapsules containing biocide dispersed in paint show 0 to 3% reduction in inhibition zone where as un-encapsulated biocide show 20-22% reduction in inhibition zone when analyzed by filter paper assay thus indicating extended duration of biocidal activity with microencapsulated biocide.
摘要翻译：本发明提供了包含含有用于涂覆材料如杀漆剂的杀生物剂的微胶囊的组合物。本发明描述了含有杀生物剂的微胶囊组合物，特别是Irgarol（除藻剂）和Pyrithione（杀真菌剂）和涂料等涂料，分别提高了藻类和真菌的侵染时间。本发明表明，分散在油漆中的杀生物剂的微胶囊显示抑制区域减少至少3％，其中当通过滤纸测定分析时，未包封的杀生物剂显示抑制区域减少20-22％，从而表明使用微胶囊化杀生物剂延长了杀生物活性的持续时间。

4. 发明申请

US20060246144A1 Microcapsules containing biocide and preparation thereof by solvent evaporation technique 有权
标题翻译：含有杀生物剂的微胶囊及其溶剂蒸发技术制备
公开(公告)号：US20060246144A1
公开(公告)日：2006-11-02
申请号：US11363547
申请日：2006-02-27
申请人： Shukla Gajanan , Swaminathan Sivaram
发明人： Shukla Gajanan , Swaminathan Sivaram
IPC分类号： A61K31/555 , A61K9/50 , B01J13/04
CPC分类号： A61K31/555 , A61K9/5031 , B01J13/12
摘要： The present invention provides polymer microcapsules of biocide, useful for preparing coating materials such as interior and exterior paints, which comprises of an active agent biocide and an encapsulating polymer. Microcapsules described in this invention are prepared by dispersing an organic phase containing an active agent either in dissolved state or dispersed state in a polymer solution using a low boiling point solvent, in an aqueous phase containing an emulsifying agent; agitating the emulsion at 800-1200 resolution per minute for 3-5 hours at 25-27° C. to evaporate the low boiling point solvent and thus to permit the formation of the microcapsules; separating the microcapsules, washing with water and drying the microcapsules at temperature between 25-35° C.
摘要翻译：本发明提供了可用于制备包括活性剂杀生物剂和包封聚合物的涂料的内部和外部涂料的杀生物剂的聚合物微胶囊。在含有乳化剂的水相中，使用低沸点溶剂将含有活性剂的有机相以溶解状态或分散状态分散在聚合物溶液中制备本发明的微胶囊; 在25-27℃下以800-1200分辨率搅拌乳液3-5小时，蒸发低沸点溶剂，从而形成微胶囊; 分离微胶囊，用水洗涤并在25-35℃的温度下干燥微胶囊。

5. 发明授权

US06835854B1 Process for the preparation of high quality 3,3′,4,4′-tetraminobiphenyl 有权
标题翻译：制备高品质3,3'，4,4'-四磺酰联苯的方法
公开(公告)号：US06835854B1
公开(公告)日：2004-12-28
申请号：US10804886
申请日：2004-03-19
申请人： Asif Maner , Sudhir Bavikar , Arumugam Sudalai , Swaminathan Sivaram
发明人： Asif Maner , Sudhir Bavikar , Arumugam Sudalai , Swaminathan Sivaram
IPC分类号： C07C21100
CPC分类号： C07C209/36 , C07C211/55
摘要： The present invention relates to a process for the preparation of pure high quality 3,3′, 4,4′-tetraminobiphenyl (TAB) in high yields. The present invention also discloses a process for the preparation of 3,3′,4,4′ tetraminobiphenyl (TAB) comprising a three step process: (1) oxidation 3,3′-dichloro 4,4′-diaminobiphenyl (DCB) with 50% aq. H2O2, (2) ammonolysis of the resulting 3,3′-dinitro 4,4′-dinitrobiphenyl (DCDNB) and (3) reduction of 3,3′-diamino-4,4′-dinitrobiphenyl (DADNB) with stannous chloride and concentrated hydrochloric acid.
摘要翻译：本发明涉及以高产率制备纯高质量3,3'，4,4'-四氨联苯（TAB）的方法。本发明还公开了一种制备3,3'，4,4'四氨基联苯（TAB）的方法，包括三步法：（1）将3,3'-二氯4,4'-二氨基联苯（DCB）与 50％aq。 H 2 O 2，（2）得到的3,3'-二硝基4,4'-二硝基联苯（DCDNB）的氨解和（3）用氯化亚锡还原3,3'-二氨基-4,4'-二硝基联苯（DADNB）浓盐酸。

6. 发明授权

US06239213B1 Process for the preparation of stable aqueous urethane dispersions 失效
标题翻译：制备稳定的水性聚氨酯分散体的方法
公开(公告)号：US06239213B1
公开(公告)日：2001-05-29
申请号：US09143011
申请日：1998-08-28
申请人： Lalgudi Srinivasan Ramanathan , Kundalik Ganpat Raut , Subagiri Ramaswamyiyengar Srinivasan , Swaminathan Sivaram
发明人： Lalgudi Srinivasan Ramanathan , Kundalik Ganpat Raut , Subagiri Ramaswamyiyengar Srinivasan , Swaminathan Sivaram
IPC分类号： C08J300
CPC分类号： C09D175/06 , C08G18/0823 , C08G18/348 , C08G18/4241 , C08G18/6659
摘要： This invention relates to the process for the preparation of aqueous polyurethane dispersions, which comprises preparing an isocynate terminated carboxyl group containing prepolymer, by preparing a solution of a polyol in an organic solvent, adding an ionic group containing compound to this solution, heating this mixture at a controlled temperature, adding an isocyanate in the reaction mixtute optionally in the presence of a catalyst depending upon the isocynate, stirring, neutralizing and cooling the mixture at ambient temperatures and finally dispersing the mixture in water to obtain the product.
摘要翻译：本发明涉及制备含水聚氨酯分散体的方法，其包括制备含异氰酸酯封端的含羧基的预聚物，通过制备多元醇在有机溶剂中的溶液，向该溶液中加入含离子基团的化合物，加热该混合物在可控温度下，任选地在催化剂存在下，在反应混合物中加入异氰酸酯，这取决于异氰酸酯，在环境温度下搅拌，中和并冷却混合物，最后将混合物分散在水中以获得产物。

7. 发明授权

US06187882B1 Process for polymerization of olefins 失效
标题翻译：烯烃聚合方法
公开(公告)号：US06187882B1
公开(公告)日：2001-02-13
申请号：US08856315
申请日：1997-05-14
申请人： Soumen Sensarma , Swaminathan Sivaram
发明人： Soumen Sensarma , Swaminathan Sivaram
IPC分类号： C08F442
CPC分类号： C08F10/02 , C08F4/65912 , C08F4/65925 , C08F110/02 , C08F210/16 , Y10S526/943 , C08F4/65916 , C08F2500/17 , C08F2500/03 , C08F210/14
摘要： The invention relates to a process for the polymerization of olefins, which comprises polymerizing an olefin or mixture thereof in presence of a solvent, a supported metallocene and an aluminoxane as cocatalyst in a hydrocarbon medium, at a temperature in the range of 50 to 150° C., at a pressure ranging between 1 to 20 bar, for a period of 10 minutes to 10 hours, scavenging the reaction mixture by addition of an organoaluminum compound to remove the last traces of impurities of solvent, separating the polymer by conventional methods like precipitating, filtering, washing the polymer with an organic solvent, drying the polymer to remove the solvent to obtain the product.
摘要翻译：本发明涉及一种烯烃聚合方法，该方法包括在溶剂，负载金属茂和铝氧烷作为助催化剂存在下在烃介质中在50至150℃的温度范围内使烯烃或其混合物聚合在1至20巴之间的压力下进行10分钟至10小时的时间，通过加入有机铝化合物清除反应混合物以除去最后痕量的溶剂杂质，通过常规方法如聚用有机溶剂沉淀，过滤，洗涤聚合物，干燥聚合物以除去溶剂，得到产物。

8. 发明授权

US6015768A Process for preparation of a heterogeneous catalyst useful for preparation of super high molecular weight polymers of alpha-olefin 失效
标题翻译：制备用于制备α-烯烃超高分子量聚合物的非均相催化剂的方法
公开(公告)号：US6015768A
公开(公告)日：2000-01-18
申请号：US64139
申请日：1998-04-22
申请人： Sabyasachi Sinha Ray , Deepak Kumar Tuli , Meeta Sharma , Madan Mohan Rai , Sobhan Ghosh , Akhilesh Kumar Bhatnagar , Prabhat Kumar Saxena , Swaminathan Sivaram
发明人： Sabyasachi Sinha Ray , Deepak Kumar Tuli , Meeta Sharma , Madan Mohan Rai , Sobhan Ghosh , Akhilesh Kumar Bhatnagar , Prabhat Kumar Saxena , Swaminathan Sivaram
IPC分类号： B01J31/02 , B01J31/12 , B01J31/14 , C08F4/646 , C08F210/16 , B01J31/00 , B01J23/00 , B01J23/58 , B01J27/135
CPC分类号： B01J31/143 , B01J31/0211 , B01J31/0212 , C08F210/16
摘要： A process for the preparation of heterogeneous zirconium based catalyst for polymerization of alpha-olefins to super high molecular weight poly (alpha-olefins). The process comprises in mixing zirconium alcholate or phenolate with anhydrous magnesium chloride in the presence of a solvent. The mixture is heated, then cooled and an organoaluminum compound is added. Optionally, an electron donor compound is added and heated to obtain a black slurry, which is cooled and then washed with a hydrocarbon diluent.
摘要翻译：制备用于将α-烯烃聚合成超高分子量聚（α-烯烃）的非均相锆基催化剂的方法。该方法包括在溶剂存在下将烷基铝酸盐或酚盐与无水氯化镁混合。将混合物加热，然后冷却，并加入有机铝化合物。任选地，加入电子给体化合物并加热，得到黑色浆料，将其冷却，然后用烃稀释剂洗涤。

9. 发明授权

US5962360A Process for the preparation of a magnesium halide supported metallocene catalyst 失效
标题翻译：制备卤化镁负载金属茂催化剂的方法
公开(公告)号：US5962360A
公开(公告)日：1999-10-05
申请号：US856191
申请日：1997-05-14
申请人： Swaminathan Sivaram , Soumen Sensarma
发明人： Swaminathan Sivaram , Soumen Sensarma
IPC分类号： B01J31/22 , C08F4/02 , C08F4/60 , C08F4/619 , C08F4/6192 , C08F4/654 , C08F10/00 , B01J31/00 , B01J37/00
CPC分类号： B01J31/1616 , B01J31/2295 , B01J31/26 , C08F10/00 , B01J2531/30 , B01J2531/35 , B01J2531/40 , B01J2531/46 , B01J2531/48 , B01J2531/49 , B01J2531/50 , B01J2531/56 , B01J2531/60 , C08F4/61912 , C08F4/61925
摘要： The present invention is directed to a process for the preparation of a solid magnesium halide supported metallocene catalyst having a transition metal selected from the group consisting of IIIB, IVB, VB and VIB of the periodic table, which comprises preparing a slurry of magnesium metal in an electron donor solvent; heating the slurry of magnesium metal to 0.degree. C. to 50.degree. C. for a period of 10 minutes to 4 hr.; adding a dihaloalkane compound to said slurry to obtain a homogeneous solution of a support (solution A); separately preparing a solution of a metallocene compound in the same electron donor solvent as solution A (solution B); heating the solution B to 0.degree. C. to 50.degree. C. for a period ranging between 10 minutes and 1 hr., adding solution B to solution A over a period ranging between 10 minutes to 2 hrs. while maintaining the temperature in the range of 0 to 50.degree. C. to obtain a homogeneous solution; cooling the resultant homogeneous solution to room temperature under an inert atmosphere; pouring the reaction mixture into a liquid hydrocarbon medium in which all the components will be partly or completely insoluble to precipitate the solid catalyst; separating the solid catalyst precipitated, washing the solid catalyst with a hydrocarbon solvent; and drying the solid catalyst under vacuum at a temperature ranging between 0 to 50.degree. C.
摘要翻译：本发明涉及制备具有选自周期表的IIIB，IVB，VB和VIB的过渡金属的固体卤化镁载体金属茂催化剂的方法，其包括制备镁金属的浆料电子给体溶剂; 将镁金属的浆料加热至0℃至50℃，持续10分钟至4小时。向所述浆料中加入二卤代烷烃化合物以获得载体（溶液A）的均匀溶液; 在溶液A（溶液B）中分别制备茂金属化合物与相同电子给体溶剂的溶液; 将溶液B加热至0℃至50℃，持续10分钟至1小时，在溶液A中加入溶液A，时间为10分钟至2小时。同时保持温度在0〜50℃的范围内，得到均匀溶液; 在惰性气氛下将所得均匀溶液冷却至室温; 将反应混合物倒入液体烃介质中，其中所有组分将部分或完全不溶解以沉淀固体催化剂; 分离固体催化剂沉淀，用烃溶剂洗涤固体催化剂; 并在0至50℃的温度下在真空下干燥固体催化剂。

10. 发明授权

US5714567A Process for the preparation of aromatic polyesters 失效
标题翻译：芳香族聚酯的制备方法
公开(公告)号：US5714567A
公开(公告)日：1998-02-03
申请号：US602023
申请日：1996-02-15
申请人： Bhaskar Bhairavnath Idage , Sudhakar Sadashiv Mahajan , Swaminathan Sivaram
发明人： Bhaskar Bhairavnath Idage , Sudhakar Sadashiv Mahajan , Swaminathan Sivaram
IPC分类号： C08G63/19 , C08G63/80 , C08G63/88 , C08G63/00
CPC分类号： C08G63/80 , C08G63/19 , C08G63/88
摘要： An improved process for the preparation of aromatic polyesters, whereby dialkyl esters of aromatic dicarboxylic acids are melt-polymerized with aromatic bisphenol to furnish an amorphous poly(arylester) prepolymer. The amorphous poly(arylester) prepolymer is crystallized, separated, and dried to provide a crystallized poly(arylester) prepolymer, which is heated to yield the aromatic polyester.
摘要翻译：制备芳族聚酯的改进方法，其中芳族二羧酸的二烷基酯与芳族双酚熔融聚合以提供无定形聚（芳基酯）预聚物。无定形聚（芳基酯）预聚物结晶，分离和干燥，得到结晶的聚（芳基酯）预聚物，将其加热得到芳族聚酯。

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