G03C 7/421
Additives other than bleaching or fixing agents
Official title: {Additives other than bleaching or fixing agents}
G03C7/421 (Additives other than bleaching or fixing agents) appears on 157 US grants and 29 published applications in this corpus.
Search patents in G03C- Granted patents
- 157
- Published applications
- 29
- Assignees
- 19
- Inventors
- 177
- Latest grant
- 1 Apr 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 7 | 3 |
| 2002 | 12 | 10 |
| 2003 | 10 | 8 |
| 2004 | 4 | 6 |
| 2005 | 4 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Concentrated processing composition for silver halide color paper and method of processing1 Apr 2008US 7,351,522 B2FUJIFILM Corporation
- Processing agent for silver halide color photosensitive material and processing method thereof14 Jun 2005US 6,905,813 B2Chugai Photo Chemical Co. Ltd.
- Concentrated color developer composition used for silver halide photographic sensitized material and processing method by use thereof31 May 2005US 6,900,004 B2Konica Corporation
- Process for removing stain in a photographic material10 May 2005US 6,890,706 B2Ciba Specialty Chemicals Corporation
- Method of color photographic processing for color photographic papers4 Jan 2005US 6,838,233 B2Eastman Kodak Company
- Concentrated processing composition for silver halide color paper and method of processing22 Nov 2007US 2007/0269753 A1FUJIFILM Corporation
- Single-part photographic bleach-fixing composition11 Aug 2005US 2005/0173671 A1Fuji Hunt Photographic Chemicals, Inc.
- Method of silvery recovery from color photographic processing7 Oct 2004US 2004/0197714 A1Eastman Kodak Company
- Method of color photographic processing for color photographic papers16 Sep 2004US 2004/0180303 A1Eastman Kodak Company
- Method of color photographic processing for color photographic papers12 Aug 2004US 2004/0157172 A1Eastman Kodak Company
Most cited
By later US patents
- Concentrated color developer composition used for silver halide photographic sensitized material and processing method by use thereof106US 6,900,004 B2Konica Corporation · 2005
- Photographic bleach solutions33US 4,301,236 AFuji Photo Film Co., Ltd. · 1981
- Process for treating light-sensitive silver halide color photographic materials26US 4,277,556 AKonishiroku Photo Industry Co., Ltd. · 1981
- Process for treating silver halide color photographic photosensitive material22US 4,232,112 AKonishiroku Photo Industry Co., Ltd. · 1980
- Bleach-accelerating compositions containing a dye-stabilizing agent and use thereof in photographic color processing22US 4,975,356 AEastman Kodak Company · 1990