G03C 7/26
Silver halide emulsions for subtractive colour processes
Official title: Silver halide emulsions for subtractive colour processes (G03C7/28 - G03C7/30 take precedence)
G03C7/26 (Silver halide emulsions for subtractive colour processes) appears on 26 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 26
- Published applications
- 0
- Assignees
- 9
- Inventors
- 52
- Latest grant
- 30 Jan 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Heat developable color photographic material and image-forming system using the same30 Jan 2001US 6,180,324 B2Fuji Photo Film Co., Ltd.
- Dye fixing elements6 Jul 1993US 5,225,313 AFuji Photo Film Co., Ltd.
- Process for the formation of multicolor colloid patterns27 Aug 1991US 5,043,247 AAgfa-Gevaert
- Press drive1 May 1990US 4,920,782 ABruderer AG
- Photographic recording material comprising leuco dye for cold silver image tone12 Sep 1989US 4,865,958 AEastman Kodak Company
No published applications in this class yet.
Most cited
By later US patents
- Process for preparing relief images in imaged irradiated light-sensitive material having acid-cleavable compound by hot air treatment, overall irradiation and alkaline development34US 4,506,006 AHoechst Aktiengesellschaft · 1985
- Daylight photoplotting and film therefor20US 4,416,522 AThe Gerber Scientific Instrument Company · 1983
- Photothermographic accelerators for leuco diazine, oxazine, and thiazine dyes17US 4,670,374 AMinnesota Mining and Manufacturing Company · 1987
- Color photographic light-sensitive materials15US 4,584,264 AFuji Photo Film Co., Ltd. · 1986
- Silver halide color photographic light-sensitive material14US 4,529,690 AKonishiroku Photo Industry Co., Ltd. · 1985