Inventor · disambiguated record
Donald P. Wrathall
Also filed as: WRATHALL DONALD P
3 granted patents·71 citations·filing 1976–1994
71Inventor score
Files withEASTMAN KODAK CO3
Top patents by PatentIndex Score
3 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
- 0288US4031127AAcyl hydrazino thiourea derivatives as photographic nucleating agentsEASTMAN KODAK CO·Filed 1976·Granted Jun 21, 1977·24 cites·45 claims
- 0328US5412075AControl of methionine content in photographic grade gelatinEASTMAN KODAK CO·Filed 1994·Granted May 2, 1995·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →