G03C 1/355
Organic derivatives of bivalent sulfur, selenium or tellurium
Official title: {Organic derivatives of bivalent sulfur, selenium or tellurium}
G03C1/355 (Organic derivatives of bivalent sulfur, selenium or tellurium) appears on 11 US grants and 0 published applications in this corpus.
Search patents in G03C- Granted patents
- 11
- Published applications
- 0
- Assignees
- 5
- Inventors
- 31
- Latest grant
- 19 Feb 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Radiographic film material exhibiting increased covering power and “colder” blue-black image tone19 Feb 2002US 6,348,293 B1Agfa-Gevaert
- Silver halide light sensitive photographic material3 Oct 2000US 6,127,109 AKonica Corporation
- Heat-developable photographic materials15 Feb 2000US 6,025,122 AFuji Photo Film Co., Ltd.
- Radiographic elements exhibiting increased speed and covering power21 Sep 1999US 5,955,249 AEastman Kodak Company
- Image toners for silver halide photographic films13 Jul 1999US 5,922,527 AImation Corp.
No published applications in this class yet.
Most cited
By later US patents
- Lithographic silver halide photographic light-sensitive material17US 4,328,302 AFuji Photo Film Co., Ltd. · 1982
- Radiographic film material exhibiting increased covering power and “colder” blue-black image tone11US 6,348,293 B1Agfa-Gevaert · 2002
- Warm image tone providing photographic element7US 4,013,470 AEastman Kodak Company · 1977
- Tone control of photographic images7US 5,292,627 AEastman Kodak Company · 1994
- Radiographic elements exhibiting increased covering power and colder image tones7US 5,759,759 AEastman Kodak Company · 1998