G03C 1/498
Photothermographic systems
Official title: Photothermographic systems, e.g. dry silver
G03C1/498 (Photothermographic systems) appears on 1,355 US grants and 634 published applications in this corpus.
Search patents in G03C- Granted patents
- 1,355
- Published applications
- 634
- Assignees
- 68
- Inventors
- 1,168
- Latest grant
- 8 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 15 | 0 |
| 1978 | 24 | 0 |
| 1979 | 21 | 0 |
| 1980 | 26 | 0 |
| 1981 | 21 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 23 | 0 |
| 1985 | 27 | 0 |
| 1986 | 27 | 0 |
| 1987 | 33 | 0 |
| 1988 | 27 | 0 |
| 1989 | 28 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 8 | 0 |
| 1993 | 18 | 0 |
| 1994 | 29 | 0 |
| 1995 | 38 | 0 |
| 1996 | 48 | 0 |
| 1997 | 29 | 0 |
| 1998 | 49 | 0 |
| 1999 | 59 | 0 |
| 2000 | 73 | 0 |
| 2001 | 87 | 29 |
| 2002 | 112 | 98 |
| 2003 | 108 | 103 |
| 2004 | 84 | 105 |
| 2005 | 28 | 98 |
| 2006 | 105 | 110 |
| 2007 | 79 | 53 |
| 2008 | 43 | 19 |
| 2009 | 10 | 5 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 4 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- G03C 1/49836Additives778
- G03C 1/49872Aspects relating to non-photosensitive layers245
- G03C 1/4989Characterised by a thermal imaging step, with or without exposure to light232
- G03C 1/49881Characterised by the process or the apparatus218
- G03C 1/49818Silver halides197
- G03C 1/49827Reducing agents173
- G03C 1/49809Organic silver compounds155
Recent patents
- System and method for photo-thermal analysis of immunoassay tests8 Dec 2020US 10,859,490 B2
- Mask element precursor and relief image-forming system8 Sep 2020US 10,768,520 B2Miraclon Corporation
- Method of making silver-containing dispersions15 Oct 2019US 10,444,618 B2Eastman Kodak Company
- Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge including electrophotographic photosensitive member6 Nov 2018US 10,120,331 B2Canon Kabushiki Kaisha
- Polyvinylacetal resin for heat-developable photosensitive material and heat-developable photosensitive material24 Apr 2018US 9,951,154 B2Sekisui Chemical Co., Ltd.
- Thermal recording material5 Sep 2024US 2024/0294025 A1Mitsubishi Paper Mills Limited
- Mask element precursor and relief image-forming system22 Aug 2019US 2019/0258152 A1Miraclon Corporation
- Thermally-developable photosensitive material and preparation method thereof1 Aug 2019US 2019/0235376 A1FUJIFILM Corporation
- System and method for photo-thermal analysis of immunoassay tests23 May 2019US 2019/0154564 A1
- Method of making silver-containing dispersions28 Mar 2019US 2019/0094679 A1Eastman Kodak Company
Most cited
By later US patents
- Photothermographic and thermographic compositions and uses therefor containing sulfonamidophenol reducing agents and four equivalent color couplers88US 4,021,240 AEastman Kodak Company · 1977
- Diffusion or sublimation transfer imaging system83US 4,632,895 AMinnesota Mining and Manufacturing Company · 1986
- Thermal dye bleach construction sensitive to ultraviolet radiation77US 5,258,274 AMinnesota Mining and Manufacturing Company · 1993
- Image recording material76US 6,468,730 B2Fuji Photo Film Co., Ltd. · 2002
- Thermographic and photothermographic materials having silver salt complexes therein68US 4,260,677 AMinnesota Mining and Manufacturing Company · 1981