G03C 11/24
Removing emulsion from waste photographic material
Official title: Removing emulsion from waste photographic material; Recovery of photosensitive {or other} substances (electrolytic recovery of metals C25C1/00)
G03C11/24 (Removing emulsion from waste photographic material) appears on 42 US grants and 4 published applications in this corpus.
Search patents in G03C- Granted patents
- 42
- Published applications
- 4
- Assignees
- 22
- Inventors
- 96
- Latest grant
- 19 Jul 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 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 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of recovering silver and paper from silver-coated paper film19 Jul 2016US 9,394,584 B2Tetra Recycling, Inc.
- Method for preparing a silver halide photographic emulsion12 Aug 2003US 6,605,423 B2Eastman Kodak Company
- Recovering method of support and useful ingredient from image forming material17 Jul 2001US 6,261,748 B1Konica Corporation
- Method of recovering photographic film31 Oct 2000US 6,140,378 AEin Kohsan Co., Ltd.
- Resources recovery method in a silver salt photographic system16 Nov 1999US 5,985,528 AKonica Corporation
- Method of Recovering Silver and Paper from Silver-Coated Paper Film4 Jun 2015US 2015/0152520 A1Tetra Recycling, Inc.
- Composition and process for recovering coated polyester materials2 Oct 2003US 2003/0186159 A1
- Method for preparing a silver halide photographic emulsion9 Jan 2003US 2003/0008250 A1Eastman Kodak Company
- Recovering method of support and useful ingredient from image forming material11 Oct 2001US 2001/0028997 A1
Most cited
By later US patents
- Methods of removing silver28US 5,575,915 AFuji Photo Film Co., Ltd. · 1996
- Recovery of silver from photographic films by high shear conditions21US 4,612,057 AE. I. Du Pont de Nemours and Company · 1986
- Process for recovering materials from scrapped film19US 4,324,705 AFuji Photo Film Co., Ltd. · 1982
- Recovery of silver and other valuable constituents from polyester based photographic film17US 4,078,916 AHorizons Research Incorporated · 1978
- Cyclopentane derivatives15US 3,953,502 AImperial Chemical Industries PLC · 1976