G03C 1/48576
Core-shell grain emulsions
Official title: {core-shell grain emulsions}
G03C1/48576 (Core-shell grain emulsions) appears on 23 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 23
- Published applications
- 0
- Assignees
- 7
- Inventors
- 41
- Latest grant
- 27 May 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Silver halide photographic emulsion27 May 2003US 6,569,613 B1Fuji Photo Film Co., Ltd.
- Silver halide photographic light-sensitive material12 Feb 2002US 6,346,372 B1Fuji Photo Film Co., Ltd.
- Internal latent image-type direct positive silver halide photographic emulsion and color diffusion transfer light-sensitive material using the same27 Feb 2001US 6,194,134 B1Fuji Photo Film Co., Ltd.
- Sultone compound, quaternary salt compound and methine compound, production process thereof, and silver halide photographic light-sensitive material containing the quaternary salt compound and/or methine compound28 Sep 1999US 5,958,665 AFuji Photo Film Co., Ltd.
- High-speed direct-positive photographic elements utilizing core-shell emulsions2 Jul 1996US 5,532,119 AEastman Kodak Company
No published applications in this class yet.
Most cited
By later US patents
- Direct-positive photographic emulsion containing, unfogged, monodispersed silver halide grains having a layered grain structure of specific silver chloride content17US 3,935,014 AAgfa-Gevaert · 1976
- Direct positive photographic light-sensitive materials15US 4,643,965 AFuji Photo Film Co., Ltd. · 1987
- Internal latent image core/shell silver halide photographic emulsions14US 4,581,328 AFuji Photo Film Co., Ltd. · 1986
- Method for forming direct positive color images13US 4,789,627 AFuji Photo Film Co., Ltd. · 1988
- Photographic emulsion containing unfogged, heterodisperse layered silver halide grains having a prodominantly bromide core and total chloride content less than 30 mole percent10US 3,957,488 AAgfa-Gevaert · 1976