C09B 1/00
Dyes with anthracene nucleus not condensed with any other ring
C09B1/00 (Dyes with anthracene nucleus not condensed with any other ring) appears on 829 US grants and 477 published applications in this corpus.
Search patents in C09B- Granted patents
- 829
- Published applications
- 477
- Assignees
- 256
- Inventors
- 1,583
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 47 | 0 |
| 1977 | 37 | 0 |
| 1978 | 39 | 0 |
| 1979 | 25 | 0 |
| 1980 | 23 | 0 |
| 1981 | 36 | 0 |
| 1982 | 21 | 0 |
| 1983 | 24 | 0 |
| 1984 | 21 | 0 |
| 1985 | 25 | 0 |
| 1986 | 12 | 0 |
| 1987 | 18 | 0 |
| 1988 | 13 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 6 |
| 2002 | 12 | 4 |
| 2003 | 10 | 11 |
| 2004 | 8 | 21 |
| 2005 | 9 | 11 |
| 2006 | 6 | 17 |
| 2007 | 6 | 13 |
| 2008 | 7 | 25 |
| 2009 | 18 | 20 |
| 2010 | 14 | 32 |
| 2011 | 7 | 26 |
| 2012 | 16 | 24 |
| 2013 | 24 | 31 |
| 2014 | 22 | 23 |
| 2015 | 28 | 40 |
| 2016 | 28 | 34 |
| 2017 | 25 | 21 |
| 2018 | 27 | 26 |
| 2019 | 31 | 26 |
| 2020 | 15 | 14 |
| 2021 | 14 | 9 |
| 2022 | 10 | 10 |
| 2023 | 8 | 9 |
| 2024 | 15 | 12 |
| 2025 | 6 | 6 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile6 Oct 2026US 12,753,549 B2Daikyo Chemical Co., Ltd.
- Methods of forming an object in a volume of a photohardenable composition, photohardenable compositions, and photoinitiators25 Aug 2026US 12,715,998 B2Quadratic 3D, Inc.
- Anthraquinone compound, liquid crystal composition containing said compound, and dimming element26 May 2026US 12,637,421 B2Nippon Kayaku Kabushiki Kaisha
- Fluorescent dye, preparation method and uses thereof12 May 2026US 12,625,141 B2Fluorescence Diagnosis (Shanghai) Biotech Company
- Deuterated fluorophores17 Feb 2026US 12,552,938 B2Howard Hughes Medical Institute
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Alternative solvent systems and dye formulations10 Sep 2026US 2026/0265527 A1
- Alternative solvent systems and dye formulations10 Sep 2026US 2026/0265529 A1
- Dyes with pH-dependent absorption and fluorescence19 Mar 2026US 2026/0078258 A1ATTO-TEC GmbH
- Detergent product5 Mar 2026US 2026/0062193 A1Conopco, Inc., d/b/a UNILEVER
Most cited
By later US patents
- Colorant compounds97US 6,958,406 B2Xerox Corporation · 2005
- Phase change inks87US 6,821,327 B2Xerox Corporation · 2004
- Methods for making colorant compounds83US 7,053,227 B2Xerox Corporation · 2006
- Covalent tethering of functional groups to proteins and substrates therefor64US 7,425,436 B2Promega Corporation · 2008
- Colored thermoplastic resin62US 4,732,570 AMilliken Research Corporation · 1988