Inventor · disambiguated record
Sundaram Krishnamurthy
Also filed as: KRISHNAMURTHY SUNDARAM
25 granted patents·189 citations·filing 1984–1996
95Inventor score
Files withEASTMAN KODAK CO24
Top patents by PatentIndex Score
25 records- 0195US4540657APhotographic coupler solvents and photographic elements employing sameEASTMAN KODAK CO·Filed 1984·Granted Sep 10, 1985·43 cites·12 claims
- 0290US4853319APhotographic silver halide element and processEASTMAN KODAK CO·Filed 1987·Granted Aug 1, 1989·36 cites·13 claims
- 0389US5677118APhotographic element containing a recrystallizable 5-pyrazolone photographic couplerEASTMAN KODAK CO·Filed 1996·Granted Oct 14, 1997·19 cites·10 claims
- 0489US4740438AOrganic disulfides as image dye stabilizersEASTMAN KODAK CO·Filed 1986·Granted Apr 26, 1988·23 cites·20 claims
- 0581US5262292APhotographic elements containing pyrazolone couplers and processEASTMAN KODAK CO·Filed 1992·Granted Nov 16, 1993·12 cites·15 claims
- 0680US5447830A3-anilino pyrazolone magenta couplers and processEASTMAN KODAK CO·Filed 1993·Granted Sep 5, 1995·10 cites·14 claims
- 0771US4684606ASterically hindered photographic coupler solvents and photographic elements employing sameEASTMAN KODAK CO·Filed 1985·Granted Aug 4, 1987·11 cites·15 claims
- 0865US5426021ALiquid or low melting bis-phenol stabilizers for yellow image dye stabilization in ektacolor paperFiled 1993·Granted Jun 20, 1995·6 cites·14 claims
- 0963US5605787A3-anilino pyrazolone magenta couplers and processEASTMAN KODAK CO·Filed 1995·Granted Feb 25, 1997·4 cites·24 claims
- 1058US4728599ASterically hindered phenolic ester photographic coupler dispersion addenda and photographic elements employing sameEASTMAN KODAK CO·Filed 1985·Granted Mar 1, 1988·7 cites·9 claims
- 1156US5234805APhotographic material and process comprising a pyrazolotriazole couplerEASTMAN KODAK CO·Filed 1992·Granted Aug 10, 1993·4 cites·12 claims
- 1252US5399467APhotographic couplers having a ballast containing a sulfone or sulfoxide groupEASTMAN KODAK CO·Filed 1993·Granted Mar 21, 1995·3 cites·10 claims
- 1344US5359065AMethod of preparation of organosilyl substituted aromatic or heteroaromatic compoundsEASTMAN KODAK CO·Filed 1992·Granted Oct 25, 1994·3 cites·21 claims
- 1442US5378587APhotographic material and process comprising a bicyclic pyrazolo couplerEASTMAN KODAK CO·Filed 1992·Granted Jan 3, 1995·2 cites·8 claims
- 1539US5476756AColor photographic element with improved resistance to thermal and photochemical yellowingEASTMAN KODAK CO·Filed 1994·Granted Dec 19, 1995·1 cites·9 claims
- 1638US5543276AColor photographic element containing new epoxy scavengers for residual magenta couplerEASTMAN KODAK CO·Filed 1994·Granted Aug 6, 1996·1 cites·5 claims
- 1738US5508147AColor photographic element with improved resistance to thermal and photochemical yellowing and method thereofEASTMAN KODAK CO·Filed 1993·Granted Apr 16, 1996·1 cites·21 claims
- 1838US5250400APhotographic material and process comprising a pyrazolotriazole couplerEASTMAN KODAK CO·Filed 1992·Granted Oct 5, 1993·1 cites·14 claims
- 1936US4827019ASterically hindered aromatic carboxylic estersEASTMAN KODAK CO·Filed 1987·Granted May 2, 1989·2 cites·12 claims
- 2031US5318884APhotographic silver halide material containing a coupler having a coupling-off group comprising a carbocyclic or heterocyclic ring having a silyl substituent directly attached theretoEASTMAN KODAK CO·Filed 1992·Granted Jun 7, 1994·0 cites·14 claims
- 2131US5306604APhotographic silver halide material containing a coupler having in a non-coupling position in a silyl substituentEASTMAN KODAK CO·Filed 1992·Granted Apr 26, 1994·0 cites·31 claims
- 2230US5695921APhotographic elements with magenta dye forming couplers and stabilizersEASTMAN KODAK CO·Filed 1996·Granted Dec 9, 1997·0 cites·5 claims
- 2330US5627017ALow melting point ionizable epoxy scavengers for residual magenta couplersEASTMAN KODAK CO·Filed 1995·Granted May 6, 1997·0 cites·8 claims
- 2430US5571926AOne-step process for preparation of N-(4-substituted pyrazolyl) amidines as intermediates in PT-coupler synthesisEASTMAN KODAK CO·Filed 1995·Granted Nov 5, 1996·0 cites·6 claims
- 2530US5434040APhotographic elements containing particular color couplers in combination with metal complex stabilizersEASTMAN KODAK CO·Filed 1993·Granted Jul 18, 1995·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →