G03G 9/0922
Formazane dyes
Official title: {Formazane dyes; Nitro and Nitroso dyes; Quinone imides; Azomethine dyes}
G03G9/0922 (Formazane dyes) appears on 60 US grants and 56 published applications in this corpus.
Search patents in G03G- Granted patents
- 60
- Published applications
- 56
- Assignees
- 30
- Inventors
- 193
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 6 |
| 2007 | 3 | 3 |
| 2008 | 2 | 6 |
| 2009 | 5 | 3 |
| 2010 | 0 | 2 |
| 2011 | 7 | 6 |
| 2012 | 3 | 3 |
| 2013 | 5 | 1 |
| 2014 | 3 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 4 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Pyrrolo[3,4-c]pyrroles29US 5,484,943 ACiba-Geigy Corporation · 1996
- Combination of color toners for developing electrostatic latent image23US 5,262,264 ADainippon Ink and Chemical, Inc. · 1993
- Toner, image forming method, and process cartridge19US 8,728,696 B2Ricoh Company, Ltd. · 2014
- Flash fixing toner and fabrication method therefor15US 6,528,221 B2Fujitsu Limited · 2003
- Pyrrolo[3,4-C]pyrrole synthesis14US 5,616,725 ACiba-Geigy Corporation · 1997