G03C 8/243
Toners for the silver image
Official title: {Toners for the silver image}
G03C8/243 (Toners for the silver image) appears on 17 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 17
- Published applications
- 0
- Assignees
- 6
- Inventors
- 37
- Latest grant
- 12 Jan 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Diffusion transfer photosensitive film unit for silver transfer image12 Jan 1999US 5,858,608 APolaroid Corporation
- Tone control of photographic images8 Mar 1994US 5,292,627 AEastman Kodak Company
- Processing liquid for use in DTR-photography with two toners5 Nov 1991US 5,063,136 AAgfa-Gevaert
- Process for the production of a laminated article27 Aug 1991US 5,043,245 AAgfa-Gevaert
- Silver complex diffusion transfer process employing an image-receiving element containing an S-thiuronium alkyl sulfonate27 Aug 1991US 5,043,246 AEastman Kodak Company
No published applications in this class yet.
Most cited
By later US patents
- Tetra-aza indene compounds13US 4,728,601 ACiba-Geigy Corporation · 1988
- Photographic material and diffusion transfer processing solution for making printing plates and method for making printing plates12US 4,297,429 AMitsubishi Paper Mills Limited · 1981
- Meso-ionic se- and s-containing tetrazoles10US 4,003,910 APolaroid Corporation · 1977
- Tone control of photographic images7US 5,292,627 AEastman Kodak Company · 1994
- Toners for silver halide diffusion transfer image with sulfo or carboxyl groups6US 4,683,189 AFuji Photo Film Co., Ltd. · 1987