G03C 5/3954
Electrical methods
Official title: {Electrical methods, e.g. electroytic silver recovery, electrodialysis}
G03C5/3954 (Electrical methods) appears on 19 US grants and 1 published applications in this corpus.
Search patents in G03C- Granted patents
- 19
- Published applications
- 1
- Assignees
- 11
- Inventors
- 40
- Latest grant
- 21 Feb 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for processing of photographic materials21 Feb 2006US 7,001,085 B2Eastman Kodak Company
- Apparently dry waste management system18 May 2004US 6,736,977 B1Eastman Kodak Company
- Method for minimizing the aerial oxidation of photographic developers21 Nov 2000US 6,149,798 AEastman Kodak Company
- Method and apparatus for the electrolytic treatment of bleach-fix baths, as well as an apparatus for processing photographic materials10 Feb 1998US 5,716,766 AFuji Photo Film Co., Ltd.
- Process for extracting tin from organic solutions by electrolysis26 Nov 1996US 5,578,191 AEastman Kodak Company
Most cited
By later US patents
- Apparently dry waste management system74US 6,736,977 B1Eastman Kodak Company · 2004
- Method of recovering silver from photographic bleach-fix and concurrently regenerating the bleach-fix13US 4,036,715 AEastman Kodak Company · 1977
- Process for regenerating bleaching-fixing solution13US 4,128,464 AFuji Photo Film Co., Ltd. · 1978
- Electrolytic oxidation of blix solution10US 4,013,527 AFuji Photo Film Co., Ltd. · 1977
- Process for the recovery of silver from fixing solutions10US 4,111,766 AFuji Photo Film Co., Ltd. · 1978