G03C 5/315
Tanning development
G03C5/315 (Tanning development) appears on 28 US grants and 1 published applications in this corpus.
Search patents in G03C- Granted patents
- 28
- Published applications
- 1
- Assignees
- 8
- Inventors
- 35
- Latest grant
- 12 Nov 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Silver halide light-sensitive material containing tanning developing agent12 Nov 2002US 6,479,198 B2Fuji Photo Film Co., Ltd.
- Method of forming photographic relief images30 Dec 1997US 5,702,865 AEastman Kodak Company
- Method for making porcelain tags and signs by selectively radiating a frit containing-emulsion coating applied thereto20 Sep 1994US 5,348,843 APermar Systems, Inc.
- Process for the formation of multicolor colloid patterns27 Aug 1991US 5,043,247 AAgfa-Gevaert
- System for the production of dot-etched lithographic films12 Feb 1991US 4,992,355 AE. I. Du Pont de Nemours and Company
Most cited
By later US patents
- Photographic tanning developer formulation19US 4,699,868 AMinnesota Mining and Manufacturing Company · 1987
- Wash-off film containing synthetic amphoteric polymers14US 4,735,887 AE. I. Du Pont de Nemours and Company · 1988
- Method for processing silver halide photographic material12US 4,672,025 AFuji Photo Film Co., Ltd. · 1987
- Light-sensitive material for tanning development comprising pretreated carbon9US 4,233,392 AE. I. Du Pont de Nemours and Company · 1980
- Photographic element for tanning development and method for obtaining colored relief image9US 4,369,245 AMinnesota Mining and Manufacturing Company · 1983