CAS: 39389-20-3; Vinylbenzenesulfonic Acid-Divinylbenzene Copolymer

专利信息

专利号:US-10604472-B2
优先权日:2015-11-17
标 题 :Auto-catalyzed process for the synthesis of tributyl citrate (TBC)
发明人：KAMBLE SANJAY PANDURANG
权利人:COUNCIL SCIENT IND RES
摘要:The present invention discloses a novel eco-friendly, cost effective, autocatalytic process for the synthesis of tributyl citrate (TBC) with high yields and purity.

专利号:US-7045635-B2
优先权日:2004-01-27
标 题:Process for the synthesis of 4-amino-4H-1,2,4-triazole
发明人：QUINLIN WILLIAM T; CATES DILLARD M
权利人:BWXT PANTEX LLC
摘要:An improved process for synthesizing 4-amino-1,2,4-triazole. Hydrazine hydrate solution is mixed into ethyl formate, ethanol, and an acidic ion exchange resin in a condenser. The solution is held at 75 degrees Celsius until no more liquid exits the condenser. The solution is then heated to between 130 and 133 degrees Celsius and kept at this temperature long enough to remove water and ethanol and to complete the synthesis. The solution is then cooled to 60 degrees Celsius and filtered to remove the ion-exchange resin. The filtered liquid is then cooled to ambient temperature.

专利号:US-2010280189-A1
优先权日:2005-11-30
标 题 :Synthesis of cycloaliphatic substituted silane monomers and polysiloxanes for photo-curing
发明人：DWORAK DAVID P; SOUCEK MARK D
权利人:UNIV AKRON
摘要:The present invention generally relates to compositions including linear cycloaliphatic siloxane polymers, and the cyclic cycloaliphatic siloxane oligomers from which they are made. The present invention also generally relates to methods for making cycloaliphatic siloxane polymers, and the cyclic cycloaliphatic siloxane oligomers from which they are made. Some embodiments relate to cationic polymerization of methyl, cyclopentyl, and/or cyclohexyl substituted polysiloxanes. In some embodiments the cationic polymerization is a cationic ring-opening polymerization.

专利号:US-8304553-B2
优先权日:2007-12-19
标题:Method of forming oseltamivir and derivatives thereof
发明人：LIU XUEWEI; MA JIMEI
权利人:LIU XUEWEI; MA JIMEI; UNIV NANYANG TECH
摘要:A process is provided for the synthesis of 4,5-diamino cyclohexene carboxylate ester (1): or a pharmaceutically acceptable salt thereof. R 1 -R 3 are a silyl-, an aliphatic, alicyclic, aromatic, arylaliphatic, or an arylalicyclic group. R 4 , R 11 and R 12 are H, a silyl-group, an aliphatic, alicyclic, aromatic, arylaliphatic, or an arylalicyclic group. 3,4-Dihydropyran compound (9): with R 5 and R 6 being suitable protecting groups, is reacted to form aldehyde (4): which is oxidized and converted to N-substituted carbamate (3): with R 7 being a suitable protecting group. (3) is, via oxazolinidone (13): converted to azido carboxylate ester (2): and then to 4,5-diamino cyclohexene carboxylate ester (1).

专利号:US-2009131720-A1
优先权日:2007-11-15
标题:Process for the synthesis of hydroxyl arylamines
发明人：COGGAN JENNIFER A
权利人:XEROX CORP
摘要:A process for forming a hydroxyl triarylamine compound includes reacting a halogenated aryl aldehyde with an aldehyde protecting agent to form a halogenated protected aryl aldehyde compound, and reacting the halogenated protected aryl aldehyde compound with an amine in the presence of a suitable catalyst, then reducing the resulting aldehyde triarylamine to form the hydroxyl triarylamine.

专利号:US-4110539-A
优先权日:1977-07-13
标题:Process for the preparation of 2,2,4-trimethyl-1,3-pentanediol diisobutyrate
发明人：ALBERS KENNETH H; WRIGHT JR HOWARD N
权利人:EASTMAN KODAK CO
摘要:This invention describes a process for the synthesis of 2,2,4-trimethyl-1,3-pentanediol diisobutyrate by the acid catalyzed cleavage and esterification of 2,4-diisopropyl-5,5-dimethylmetadioxane.