Inventor · disambiguated record
Bernard A. Clark
Also filed as: CLARK BERNARD A · CLARK BERNARD A J · CLARK BERNARD ARTHUR · CLARK BERNARD ARTHUR J
26 granted patents·177 citations·filing 1984–2005
95Inventor score
Files withEASTMAN KODAK CO26
Top patents by PatentIndex Score
26 records- 0197US6319660B1Color photographic element containing speed improving compoundEASTMAN KODAK CO·Filed 1999·Granted Nov 20, 2001·36 cites·133 claims
- 0293US6455242B1Color photographic element containing speed improving compoundEASTMAN KODAK CO·Filed 2001·Granted Sep 24, 2002·13 cites·13 claims
- 0387US5350667APhotographic elements containing magenta couplers and process for using sameEASTMAN KODAK CO·Filed 1993·Granted Sep 27, 1994·16 cites·14 claims
- 0485US6190848B1Color photographic element containing ballasted triazole derivative and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1999·Granted Feb 20, 2001·13 cites·36 claims
- 0583US5674667APhotographic element containing pyrroloylacetamide yellow couplerEASTMAN KODAK CO·Filed 1996·Granted Oct 7, 1997·16 cites·14 claims
- 0678US4504568ASensitive silver halide photothermographic materials for producing dye imagesEASTMAN KODAK CO·Filed 1984·Granted Mar 12, 1985·16 cites·14 claims
- 0776US6054257APhotographic element containing particular coupler and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1998·Granted Apr 25, 2000·8 cites·30 claims
- 0875US5256528AMagenta image-dye couplers of improved hueEASTMAN KODAK CO·Filed 1992·Granted Oct 26, 1993·9 cites·17 claims
- 0974US6887656B2Color photographic element containing improved heterocyclic speed enhancing compoundEASTMAN KODAK CO·Filed 2003·Granted May 3, 2005·4 cites·38 claims
- 1074US6010837ASilver halide photographic element comprising image dye-forming couplersEASTMAN KODAK CO·Filed 1997·Granted Jan 4, 2000·8 cites·17 claims
- 1167US6140029AColor photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layerEASTMAN KODAK CO·Filed 1999·Granted Oct 31, 2000·5 cites·25 claims
- 1266US7354701B2Photographic element with speed-enhancing compoundEASTMAN KODAK CO·Filed 2004·Granted Apr 8, 2008·2 cites·27 claims
- 1366US6589724B1Color photographic element containing speed-improving benzotriazole polymerEASTMAN KODAK CO·Filed 2001·Granted Jul 8, 2003·2 cites·40 claims
- 1456US5492799AAzopyrazolone masking couplersEASTMAN KODAK CO·Filed 1994·Granted Feb 20, 1996·5 cites·33 claims
- 1549US5667946APhotographic material containing magenta dye forming couplerEASTMAN KODAK CO·Filed 1996·Granted Sep 16, 1997·2 cites·20 claims
- 1643US5411841APhotographic elements containing magenta couplers and process for using sameEASTMAN KODAK CO·Filed 1993·Granted May 2, 1995·2 cites·8 claims
- 1743US5366857AHydrophilic colloid composition for a photographic materialEASTMAN KODAK CO·Filed 1991·Granted Nov 22, 1994·2 cites·4 claims
- 1842US7455959B2Photographic element containing a speed-enhancing compoundEASTMAN KODAK CO·Filed 2004·Granted Nov 25, 2008·0 cites·26 claims
- 1942US5981158APhotographic element containing a DIR couplerEASTMAN KODAK CO·Filed 1997·Granted Nov 9, 1999·1 cites·25 claims
- 2040US6197488B1Color photographic element containing a coupler releasing derivative with at least three heteroatoms with specific hydrophobicityEASTMAN KODAK CO·Filed 1999·Granted Mar 6, 2001·8 cites·41 claims
- 2138US5451492APhotographic elements containing certain acylacetanilide couplers in combination with development inhibitor releasing couplersEASTMAN KODAK CO·Filed 1994·Granted Sep 19, 1995·6 cites·26 claims
- 2237US5474889AHydrophilic colloid composition for a photographic materialEASTMAN KODAK CO·Filed 1994·Granted Dec 12, 1995·1 cites·8 claims
- 2335US5498515APhotographic element containing a certain sulfonated acylacetanilide coupler in combination with low- or non-chloride emulsionsEASTMAN KODAK CO·Filed 1994·Granted Mar 12, 1996·1 cites·24 claims
- 2435US5451493APhotographic element containing a certain sulfonated acylacetanilide coupler in combination with a development inhibitor releasing couplerEASTMAN KODAK CO·Filed 1994·Granted Sep 19, 1995·1 cites·26 claims
- 2529US7108964B2Compound containing an anthranilic acid blocking groupEASTMAN KODAK CO·Filed 2005·Granted Sep 19, 2006·0 cites·21 claims
- 2629US5693458APhotographic elements containing certain yellow dye-forming couplersEASTMAN KODAK CO·Filed 1996·Granted Dec 2, 1997·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Bernard A. Clark files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →