G03C 5/3952
Chemical, mechanical or thermal methods
Official title: {Chemical, mechanical or thermal methods, e.g. oxidation, precipitation, centrifugation (microseparation techniques using membranes G03C5/3956)}
G03C5/3952 (Chemical, mechanical or thermal methods) appears on 40 US grants and 9 published applications in this corpus.
Search patents in G03C- Granted patents
- 40
- Published applications
- 9
- Assignees
- 16
- Inventors
- 63
- Latest grant
- 14 Feb 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for treating iron in a silver recovery process14 Feb 2012US 8,114,189 B2ARS Services, LLC
- Photographic developer effluent transfer station and drain wash24 Apr 2007US 7,207,733 B2Academy, Ltd.
- Method of reusing photographic processing waste solution, and photographic processing agent27 Sep 2005US 6,949,331 B2Fuji Photo Film Co., Ltd.
- Photographic processing system17 May 2005US 6,893,807 B2Fuji Photo Film Co., Ltd.
- Method to reduce corrosivity of photographic processing effluent25 May 2004US 6,740,477 B2Eastman Kodak Company
- Method for treating iron in a silver recovery process20 May 2010US 2010/0122956 A1ARS Services, LLC
- Material and method for treating photographic effluents28 Apr 2005US 2005/0089805 A1
- Thin film evaporating concentrator, method of evaporating and solidifying photographic waste solution, and reuse method of photographic waste solution31 Mar 2005US 2005/0069820 A1Fuji Photo Film Co., Ltd.
- Photographic developer effluent transfer station and drain wash17 Mar 2005US 2005/0058448 A1Academy, Ltd.
- Method of reusing photographic processing wastesolution, and photographic processing agent18 Nov 2004US 2004/0229172 A1Fuji Photo Film Co., Ltd.
Most cited
By later US patents
- Apparently dry waste management system74US 6,736,977 B1Eastman Kodak Company · 2004
- Methods of removing silver28US 5,575,915 AFuji Photo Film Co., Ltd. · 1996
- Apparatus for removing a component from solution25US 5,549,820 AEastman Kodak Company · 1996
- Metal recovery process21US 4,303,441 AEastman Kodak Company · 1981
- Method for treating photographic processing waste solution18US 4,874,530 AKNICA Corporation · 1989