G03C 1/831
Azo dyes
Official title: {Azo dyes}
G03C1/831 (Azo dyes) appears on 14 US grants and 2 published applications in this corpus.
Search patents in G03C- Granted patents
- 14
- Published applications
- 2
- Assignees
- 5
- Inventors
- 36
- Latest grant
- 1 Jun 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Black and white silver halide display elements having good light stability1 Jun 2004US 6,743,573 B1Eastman Kodak Company
- Silver halide color photographic photosensitive material11 Feb 2003US 6,518,006 B2Fuji Photo Film Co., Ltd.
- Tinting correction of images in the photographic image layers30 Jan 2001US 6,180,330 B2Eastman Kodak Company
- Photothermographic element having desired color16 Jan 2001US 6,174,657 B1Eastman Kodak Company
- Method for producing azo dye compounds30 Mar 1999US 5,889,163 AFuji Photo Film Co., Ltd.
Most cited
By later US patents
- Silver halide photographic material10US 5,155,015 AFuji Photo Film Co., Ltd. · 1992
- Light-sensitive material for silver salt diffusion transfer process with antihalation dye8US 4,619,893 AFuji Photo Film Co., Ltd. · 1986
- Photothermographic element having desired color5US 6,174,657 B1Eastman Kodak Company · 2001
- Photographic elements with reduced print-through4US 5,298,658 AE. I. Du Pont de Nemours and Company · 1994
- Heat-developable color light-sensitive material and method for producing the same3US 5,558,973 AFuji Photo Film Co., Ltd. · 1996