G03C 7/28
Silver dye bleach processes
Official title: Silver dye bleach processes; Materials therefor; Preparing or processing such materials
G03C7/28 (Silver dye bleach processes) appears on 76 US grants and 1 published applications in this corpus.
Search patents in G03C- Granted patents
- 76
- Published applications
- 1
- Assignees
- 10
- Inventors
- 95
- Latest grant
- 14 Sep 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Color photothermographic elements comprising phenolic thermal solvents14 Sep 2004US 6,790,569 B2Eastman Kodak Company
- Photothermographic imaging element having improved contrast and methods of image formation16 Apr 2002US 6,372,421 B1Eastman Kodak Company
- Archival photoprint laminate21 Jan 1997US 5,595,794 A
- Apparatus for transporting flat sheets, especially photosensitive sheet materials11 Dec 1990US 4,977,422 AVisicon, Inc.
- Method for producing color print having high quality and long life, applicable for long period conservation6 Nov 1990US 4,968,587 AKabushiki Kaisha Doi
Most cited
By later US patents
- Photographic materials and color proofing system36US 4,705,745 AMinnesota Mining and Manufacturing Company · 1987
- Photographic material containing sulphonic acid group containing disazo dyestuffs25US 4,118,232 ACiba-Geigy Corporation · 1978
- Dyestuffs containing amino or imino groups19US 4,237,281 ACiba-Geigy Corporation · 1980
- Sulfonic-acid-group containing disazo dyestuffs18US 4,051,123 ACiba-Geigy Corporation · 1977
- Method for processing silver dye-bleach materials14US 4,304,846 ACiba-Geigy Corporation · 1981