Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726005 | Photographic print elements containing cubical grain silver iodochloride emulsions | Benjamin Teh-Kung Chen, James L. Edwards, Sanford Howard Ehrlich | 1998-03-10 |
| 5719019 | Room-light handleable direct reversal silver halide emulsions containing nitro-substituted imidazole rereversal suppressants | Gaile A. Janusonis | 1998-02-17 |
| 5700631 | Photographic element containing new gold(I) compounds | Weimar W. White | 1997-12-23 |
| 5693460 | Silver halide photographic elements containing dioxide compunds a stabilizers | — | 1997-12-02 |
| 5686236 | Photographic element containing new gold (I) compounds | Weimar W. White | 1997-11-11 |
| 5677119 | Silver halide photographic elements containing dithiolone 1 oxide compounds | — | 1997-10-14 |
| 5670307 | Silver halide emulsions with improved heat stability | — | 1997-09-23 |
| 5652090 | Silver halide photographic elements containing dithiolone compounds | — | 1997-07-29 |
| 5620841 | Photographic element containing new gold(I) compounds | Weimar W. White | 1997-04-15 |
| 5605789 | Iodochloride emulsions containing iodonium salts having high sensitivity and low fog | Benjamin Teh-Kung Chen | 1997-02-25 |
| 5601970 | Photographic elements exhibiting improved stability | — | 1997-02-11 |
| 5576432 | Process for the manufacture of dihydropyrimidines | Antony John Williams | 1996-11-19 |
| 5550013 | High chloride emulsions having high sensitivity and low fog and improved photographic responses of HIRF, higher gamma, and shoulder density | Benjamin Teh-Kung Chen | 1996-08-27 |
| 5547827 | Iodochloride emulsions containing quinones having high sensitivity and low fog | Benjamin Teh-Kung Chen | 1996-08-20 |
| 5536633 | Heat stabilized silver chloride photographic emulsions containing sulfur donors and sulfinate compounds | — | 1996-07-16 |
| 5500333 | Class of compounds which increases and stabilizes photographic speed | Jon N. Eikenberry, Chung-Yuan Chen | 1996-03-19 |
| 5491056 | Process of forming a photographic emulsion | Xin Wen | 1996-02-13 |
| 5482825 | Silver halide emulsions containing fused dihydropyrimidines | Carl R. Preddy, Xin Wen | 1996-01-09 |
| 5478721 | Photographic elements containing emulsion stabilizers | — | 1995-12-26 |
| 5443947 | Heat stabilized silver chloride photographic emulsions containing thiosulfonate/sulfinate compounds | — | 1995-08-22 |
| 5429919 | Silver halide photographic elements with increased contrast | Steven G. Link, Kenneth James Lushington | 1995-07-04 |
| 5415992 | Heat stabilized silver chloride photographic emulsions containing phosphine compounds | — | 1995-05-16 |
| 5413905 | Photographic sensitivity increasing alkynylamine compounds and photographic elements | Carl R. Preddy, John W. Harder | 1995-05-09 |
| 5411855 | Photographic element exhibiting improved speed and stability | Gladys L. MacIntyre | 1995-05-02 |
| 5399479 | Photographic element exhibiting improved speed and stability | — | 1995-03-21 |