Inventor · disambiguated record
Ronald E. Leone
Also filed as: LEONE RONALD E
22 granted patents·189 citations·filing 1976–2000
95Inventor score
Files withEASTMAN KODAK CO22
Top patents by PatentIndex Score
22 records- 0193US4030925APhotographic compositions and elements including internal latent image silver halide grains and acylhydrazinophenylthiourea nucleating agents thereforEASTMAN KODAK CO·Filed 1976·Granted Jun 21, 1977·45 cites·32 claims
- 0288US5856072APhotographic element containing 5-carbamoyl resorcinol interlayer scavengerEASTMAN KODAK CO·Filed 1997·Granted Jan 5, 1999·15 cites·23 claims
- 0388US4031127AAcyl hydrazino thiourea derivatives as photographic nucleating agentsEASTMAN KODAK CO·Filed 1976·Granted Jun 21, 1977·24 cites·45 claims
- 0485US4080207ARadiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agentsEASTMAN KODAK CO·Filed 1976·Granted Mar 21, 1978·18 cites·41 claims
- 0583US4276364AAcylhydrazinophenylthiourea nucleating agents and photographic emulsions and elements containing such agentsEASTMAN KODAK CO·Filed 1980·Granted Jun 30, 1981·20 cites·23 claims
- 0682US4576905APhotographically useful chalcogenazoles, chalcogenazolines, and chalcogenazolinium and chalcogenazolium saltsEASTMAN KODAK CO·Filed 1984·Granted Mar 18, 1986·14 cites·122 claims
- 0778US5104769AHigh contrast photographic element and emulsion and process for their useEASTMAN KODAK CO·Filed 1988·Granted Apr 14, 1992·14 cites·21 claims
- 0876US5942381APhotographic element and process employing active, stable benzotriazole-releasing DIR couplersEASTMAN KODAK CO·Filed 1997·Granted Aug 24, 1999·8 cites·16 claims
- 0972US6255045B1Color photographic element containing improved polymeric disulfonamidophenol for scavenging oxidized developerEASTMAN KODAK CO·Filed 2000·Granted Jul 3, 2001·3 cites·16 claims
- 1063US6107017APhotographic elements containing high-boiling diester solventsEASTMAN KODAK CO·Filed 1998·Granted Aug 22, 2000·4 cites·23 claims
- 1158US5561036APhotographic elements containing scavengers for oxidized developing agentEASTMAN KODAK CO·Filed 1995·Granted Oct 1, 1996·3 cites·19 claims
- 1255US5965341APhotographic element containing particular coupler combinationEASTMAN KODAK CO·Filed 1997·Granted Oct 12, 1999·3 cites·20 claims
- 1352US5821039APhotographic element containing neutral dye-forming resorcinol couplerEASTMAN KODAK CO·Filed 1997·Granted Oct 13, 1998·2 cites·21 claims
- 1450US5250399APhotographic material and process comprising a universal couplerEASTMAN KODAK CO·Filed 1991·Granted Oct 5, 1993·3 cites·7 claims
- 1547US4874866APhotographically useful chalcogenazoles, chalcogenazolines, and chalcogenazolinium and chalcogenazolium saltsEASTMAN KODAK CO·Filed 1985·Granted Oct 17, 1989·5 cites·45 claims
- 1644US6054258APhotographic elements containing high-boiling estersEASTMAN KODAK CO·Filed 1998·Granted Apr 25, 2000·1 cites·19 claims
- 1743US5561035APhotographic elements containing scavengers for oxidized developing agentEASTMAN KODAK CO·Filed 1995·Granted Oct 1, 1996·1 cites·18 claims
- 1841US4948721APhotographic recording materials with enhanced latent image stabilityEASTMAN KODAK CO·Filed 1989·Granted Aug 14, 1990·1 cites·16 claims
- 1940US4831136AOxatellurazolium and oxatellurazinium compoundsEASTMAN KODAK CO·Filed 1987·Granted May 16, 1989·3 cites·13 claims
- 2031US5521057APhotographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yeilding dyes resistant to crystallization and reductionEASTMAN KODAK CO·Filed 1993·Granted May 28, 1996·0 cites·22 claims
- 2131US5506094APhotographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yielding dyes resistant to crystallization and reductionEASTMAN KODAK CO·Filed 1993·Granted Apr 9, 1996·1 cites·17 claims
- 2230US5514530APhotographic elements comprising 2-phenylcarbamoyl-1-naphthol image-modifying couplers yielding dyes resistant to crystallization and reductionEASTMAN KODAK CO·Filed 1993·Granted May 7, 1996·1 cites·19 claims
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