KS

Keith H. Stephen

Eastman Kodak: 8 patents #1,387 of 8,114Top 20%
🗺 New York: #18,046 of 115,490 inventorsTop 20%
Overall (All Time): #668,471 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5670305 Photographic processing solution containing ternary ferric-complex salts Stuart T. Gordon, Eric Brown, Celia Ann DeAndrea, Mary Morris Podhorecki, William G. Henry 1997-09-23
5536625 Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts John M. Buchanan, Stuart T. Gordon, Richard P. Szajewski, Sidney J. Bertucci 1996-07-16
5460924 Photographic peracid bleaches with ferric 2-pyridinecarboxylate and 2,6-pyridinecarboxylate catalysts John M. Buchanan, Stuart T. Gordon, Richard P. Szajewski, Sidney J. Bertucci 1995-10-24
5434035 Fixer additives used in combination with iron complex based bleaches to improve desilvering Mary E. Craver, Manuel A. Santos-Rosario 1995-07-18
5334491 Photographic bleach compositions and methods of photographic processing David G. Foster, Mary E. Craver 1994-08-02
5061608 Photographic bleaching solution and use thereof in photographic color processing David G. Foster 1991-10-29
4933266 Photographic bleaching and bleach-fixing solutions Carol J. MacDonald 1990-06-12
4256826 Bleach-fix sheets Gerhard Popp, Patrick H. Saturno 1981-03-17