Inventor · disambiguated record
Lal C. Vishwakarma
Also filed as: VISHWAKARMA LAL C · VISHWAKARMA LAL CHAND
17 granted patents·238 citations·filing 1992–2000
94Inventor score
Files withEASTMAN KODAK CO17
Top patents by PatentIndex Score
17 records- 0197US6054260ASilver halide light sensitive emulsion layer having enhanced photographic sensitivityEASTMAN KODAK CO·Filed 1998·Granted Apr 25, 2000·50 cites·50 claims
- 0290US5766834APhotographic element containing ultraviolet absorbing polymerEASTMAN KODAK CO·Filed 1996·Granted Jun 16, 1998·18 cites·13 claims
- 0385US6306570B1Silver halide light sensitive emulsion layer having enhanced photographic sensitivityEASTMAN KODAK CO·Filed 2000·Granted Oct 23, 2001·7 cites·2 claims
- 0482US5500332ABenzotriazole based UV absorbers and photographic elements containing themEASTMAN KODAK CO·Filed 1995·Granted Mar 19, 1996·32 cites·24 claims
- 0578US5384235APhotographic elements incorporating polymeric ultraviolet absorbersEASTMAN KODAK CO·Filed 1992·Granted Jan 24, 1995·30 cites·13 claims
- 0673US5554759ABenzotriazole based uv absorbing monomers and photographic elements containg polymers formed themEASTMAN KODAK CO·Filed 1995·Granted Sep 10, 1996·15 cites·5 claims
- 0773US5455152ABenzotriazole based UV absorbing monomers and photographic elements containing polymers formed from themEASTMAN KODAK CO·Filed 1994·Granted Oct 3, 1995·7 cites·12 claims
- 0867US5756740AProcess for the preparation of binary sensitizing dyesEASTMAN KODAK CO·Filed 1992·Granted May 26, 1998·9 cites·14 claims
- 0964US5814438ABenzotriazole-based novel UV absorbers and photographic elements containing themEASTMAN KODAK CO·Filed 1997·Granted Sep 29, 1998·5 cites·10 claims
- 1060US5739348AMethod of synthesizing tert-amido-substituted 2-(2'-hydroxyphenyl) benzotriazole compounds in a one-step processEASTMAN KODAK CO·Filed 1996·Granted Apr 14, 1998·10 cites·14 claims
- 1160US5610000A2'-hydroxyphenyl benzotriazole based UV absorbing polymers and photographic elements containing themEASTMAN KODAK CO·Filed 1995·Granted Mar 11, 1997·15 cites·28 claims
- 1259US5674670A2-hydroxyphenyl benzotriazole based UV absorbing polymers with particular substituents and photographic elements containing themEASTMAN KODAK CO·Filed 1996·Granted Oct 7, 1997·4 cites·24 claims
- 1358US5288738ADye compound and photographic element containing sameEASTMAN KODAK CO·Filed 1992·Granted Feb 22, 1994·5 cites·7 claims
- 1450US5585228ABenzotriazole based UV absorbing compounds and photographic elements containing themEASTMAN KODAK CO·Filed 1995·Granted Dec 17, 1996·15 cites·29 claims
- 1544US5683861ABenzotriazole-based UV absorbers and photographic elements containing themEASTMAN KODAK CO·Filed 1996·Granted Nov 4, 1997·11 cites·25 claims
- 1643US5675015AProcess for the preparation of benzotriazole derivativesEASTMAN KODAK CO·Filed 1996·Granted Oct 7, 1997·4 cites·24 claims
- 1734US5670654AMethod of synthesizing 2-(2'-hydroxyphenyl) benzotriazole compoundsEASTMAN KODAK CO·Filed 1996·Granted Sep 23, 1997·1 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →