G03G 9/0908
Anthracene dyes
Official title: {Anthracene dyes}
G03G9/0908 (Anthracene dyes) appears on 58 US grants and 25 published applications in this corpus.
Search patents in G03G- Granted patents
- 58
- Published applications
- 25
- Assignees
- 29
- Inventors
- 154
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Printing toner containing sublimable dye and two component developer including same9 May 2024US 2024/0152066 A1Sharp Kabushiki Kaisha
- Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method30 Nov 2023US 2023/0384701 A1FUJIFILM Business Innovation Corp.
- Magenta toner8 Oct 2020US 2020/0319569 A1Zeon Corporation
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Most cited
By later US patents
- Ferromagnetic toner containing water-soluble or water-solubilizable resin(s)73US 4,105,572 AE. I. Du Pont de Nemours and Company · 1978
- Fluorescent carbamate-modified phthalocyanine pigments46US 5,811,543 ACiba Speciality Chemicals Corporation · 1998
- Developers containing magnetic particles and a sublimable dyestuff31US 4,145,300 ASublistatic Holding S. A. · 1979
- Fluorescent quinacridone pigments31US 5,561,232 ACiba-Geigy Corporation · 1996
- Three color toner kit and method of use17US 4,590,139 ACanon Kabushiki Kaisha · 1986