Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972591 | Thickener for delivery of photographic emulsions | Marianne Yarmey, Wayne A. Bowman, Stephen J. Kozak, Gary F. Mitchell, Glenn T. Pearce | 1999-10-26 |
| 5547832 | Method for hardening photographic materials | Marianne Yarmey, James L. Bello, Gary F. Mitchell, Glenn T. Pearce, Wayne A. Bowman | 1996-08-20 |
| 5536630 | Use of acid processed ossein gelatin and chain-extended acid processed ossein gelatin as peptizers in the preparation of photographic elements | Pranab Bagchi, Jacob I. Cohen | 1996-07-16 |
| 5378598 | Use of acid processed ossein gelatin and chain-extened acid processed ossein gelatin as peptizers in the preparation of photographic emulsions | Pranab Bagchi, Jacob I. Cohen | 1995-01-03 |
| 5318889 | Use of chain-extended acid processed ossein gelatin in the preparation of photographic elements | Pranab Bagchi, Jacob I. Cohen | 1994-06-07 |
| 5300411 | Photographic light-sensitive elements | Alfred B. Fant, Melvin M. Kestner, Dennis E. Smith, Gary W. Visconte | 1994-04-05 |
| 5288598 | Photographic light-sensitive elements | Alfred B. Fant, Melvin M. Kestner, Dennis E. Smith, Gary W. Visconte | 1994-02-22 |
| 5187259 | Chain extended gelatin | James L. Bello | 1993-02-16 |
| 4855219 | Photographic element having polymer particles covalently bonded to gelatin | Pranab Bagchi, Howard M. Low | 1989-08-08 |