Inventor · disambiguated record
Balaram Gupta
Also filed as: GUPTA BALARAM · GUPTA BALARAM B · GUPTA BALARAM B G
30 granted patents·346 citations·filing 1985–1996
97Inventor score
Top patents by PatentIndex Score
30 records- 0194US4868274APolyanhydride from carboxy aryloxy alkanoic acidHOECHST CELANESE CORP·Filed 1988·Granted Sep 19, 1989·59 cites·15 claims
- 0289US4814399ASulfoalkylation of polybenzimidazoleHOECHST CELANESE CORP·Filed 1987·Granted Mar 21, 1989·40 cites·28 claims
- 0381US4898916AProcess for the preparation of poly(vinylphenol) from poly(acetoxystyrene) by acid catalyzed transesterificationHOECHST CELANESE CORP·Filed 1988·Granted Feb 6, 1990·30 cites·11 claims
- 0478US4997892ASulfalkylation of hydroxyethylated polybenzimidazole polymersHOECHST CELANESE CORP·Filed 1989·Granted Mar 5, 1991·24 cites·28 claims
- 0578US4775730ACopolymers of p-acetoxystyrene with any of certain polyunsaturated compoundsHOECHST CELANESE CORP·Filed 1987·Granted Oct 4, 1988·24 cites·16 claims
- 0677US4694111AAlkoxyalkylation of phenolCELANESE CORP·Filed 1986·Granted Sep 15, 1987·12 cites·16 claims
- 0776US4877843ASelective hydrolysis of copolymers of para-acetoxy styrene and allyl esters of ethylenically unsaturated acidsHOECHST CELANESE CORP·Filed 1987·Granted Oct 31, 1989·22 cites·17 claims
- 0870US4857601ASelective hydrolysis of copolymers of para-acetoxy styrene and dialkyl muconates or alkyl sorbatesHOECHST CELANESE CORP·Filed 1987·Granted Aug 15, 1989·17 cites·18 claims
- 0965US4714781AProcess for producing 4-ring-substituted phenyl lower alkyl ketonesHOECHST CELANESE CORP·Filed 1986·Granted Dec 22, 1987·7 cites·20 claims
- 1062US4709102AProcess for producing 2-lower alkyl phenolsCELANESE CORP·Filed 1986·Granted Nov 24, 1987·6 cites·18 claims
- 1157US4868265APolyanhydride process from bis(trimethylsilyl) ester of dicarboxylic acidHOECHST CELANESE CORP·Filed 1988·Granted Sep 19, 1989·9 cites·20 claims
- 1254US4826890ARadiation curable copolymers of p-acetoxystyrene and dialkyl muconatesHOECHST CELANESE CORP·Filed 1987·Granted May 2, 1989·9 cites·9 claims
- 1353US5824767APoly(arylene sulfide) compositions having improved processabilityHOECHST CELANESE CORP·Filed 1996·Granted Oct 20, 1998·10 cites·38 claims
- 1453US5140093AMelt-processable thermotropic polyesters having fluorine containing linking groupsHOECHST CELANESE CORP·Filed 1991·Granted Aug 18, 1992·8 cites·17 claims
- 1550US5393848AProcess for forming improved liquid crystalline polymer blendsHOECHST CELANESE CORP·Filed 1993·Granted Feb 28, 1995·10 cites·22 claims
- 1647US4826891ARadiation curable copolymers of p-acetoxystyrene with allyl esters of ethylenically unsaturated acids or alkadienesHOECHST CELANESE CORP·Filed 1987·Granted May 2, 1989·6 cites·11 claims
- 1743US5731401AProcess for the preparation of thermotropic aromatic polyesters directly from dialkyl aromatic estersHOECHST CELANESE CORP·Filed 1996·Granted Mar 24, 1998·10 cites·45 claims
- 1843US5023314ANovel polyarylate compositions having improved propertiesHOECHST CELANESE CORP·Filed 1989·Granted Jun 11, 1991·4 cites·11 claims
- 1943US4942026ANovel synthesis of sodipotassic copper tube silicatesHOECHST CELANESE CORP·Filed 1989·Granted Jul 17, 1990·7 cites·17 claims
- 2043US4869994APhotoresist compositions based on hydroxystyrene copolymersHOECHST CELANESE CORP·Filed 1988·Granted Sep 26, 1989·6 cites·12 claims
- 2143US4668826AProcess for producing 2-hydroxyphenyl lower alkyl ketonesCELANESE CORP·Filed 1985·Granted May 26, 1987·7 cites·12 claims
- 2242US5004762ARadiation curable compositions based on 4-acetoxystyrene and 4-hydroxystyrene homopolymersHOECHST CELANESE CORP·Filed 1989·Granted Apr 2, 1991·4 cites·6 claims
- 2338US5306800APseudo network condensation polymersHOECHST CELANESE CORP·Filed 1992·Granted Apr 26, 1994·3 cites·25 claims
- 2438US5120793AProcess for preparing ether derivatives of polymers of p-hydroxystyreneHOECHST CELANESE CORP·Filed 1990·Granted Jun 9, 1992·3 cites·3 claims
- 2534US5109101AProcess for making polyarylate compositions having improved propertiesHOECHST CELANSE CORP·Filed 1991·Granted Apr 28, 1992·3 cites·13 claims
- 2633US4929537APhotoresist compositions based on hydroxystyrene copolymersHOECHST CELANESE CORP·Filed 1989·Granted May 29, 1990·2 cites·13 claims
- 2733US4824758APhotoresist compositions based on acetoxystyrene copolymersHOECHST CELANESE CORP·Filed 1988·Granted Apr 25, 1989·2 cites·25 claims
- 2832US4937319AProcess for producing aromatic polyestersHOECHST CELANESE CORP·Filed 1989·Granted Jun 26, 1990·1 cites·15 claims
- 2931US5143947ARadiation curable composition based on 4-hydroxystyrene copolymersHOECHST CELANESE CORP·Filed 1989·Granted Sep 1, 1992·1 cites·13 claims
- 3030US5001215AAromatic polyester from 1,3-bis(p-carboxyphenoxy)propaneHOECHST CELANESE CORP·Filed 1989·Granted Mar 19, 1991·0 cites·12 claims
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