G03C 5/44
Bleaching
Official title: Bleaching; Bleach-fixing
G03C5/44 (Bleaching) appears on 62 US grants and 10 published applications in this corpus.
Search patents in G03C- Granted patents
- 62
- Published applications
- 10
- Assignees
- 21
- Inventors
- 109
- Latest grant
- 6 Oct 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 3 |
| 2004 | 4 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hologram silver halide photographic material, hologram and method for producing the same6 Oct 2009US 7,598,025 B2Dia Nippon Printing Co., Ltd.
- Powdery s,s-ethylenediamine-n,n′-disuccinic acid iron complex and process for producing the same14 Jun 2005US 6,906,215 B1Mitsubishi Rayon Co., Ltd.
- Odorless photographic bleaching composition and color photographic processing7 Dec 2004US 6,828,084 B2Eastman Kodak Company
- Bleach bath30 Nov 2004US 6,824,965 B2Agfa-Gevaert
- Post-exposure treatment method of silver halide emulsion layer, hologram manufactured using the method, and holographic optical element including the hologram2 Nov 2004US 6,811,930 B2Samsung Electronics Co., Ltd.
- Hologram silver halide photographic material, hologram and method for producing the same26 Jul 2007US 2007/0172779 A1Dai Nippon Printing Co.Ltd.
- Holographic light panels and flat panel display systems and method and apparatus for making same24 Nov 2005US 2005/0259302 A9
- Odorless photographic bleaching composition and color photographic processing6 May 2004US 2004/0086810 A1Eastman Kodak Company
- Odorless photographic bleaching composition and color photographic processing1 Apr 2004US 2004/0063044 A1Eastman Kodak Company
- One-part bleach-fixing concentrate for silver halide color photographic light sensitive material and photographic processing method thereof11 Dec 2003US 2003/0228545 A1
Most cited
By later US patents
- Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing agents for alkaline earth metal ions and heavy metal ions and process for the preparation thereof59US 5,786,313 ABASF SE · 1998
- Bleaching bath20US 5,238,791 AAgfa-Gevaert · 1993
- Photographic bleach compositions and methods of photographic processing15US 4,294,914 AEastman Kodak Company · 1981
- Method for processing silver dye-bleach materials14US 4,304,846 ACiba-Geigy Corporation · 1981
- Reversal processing methods for black and white photographic light-sensitive materials13US 4,322,493 AFuji Photo Film Co., Ltd. · 1982