C09B 29/10
From coupling components containing hydroxy as the only directing group
Official title: from coupling components containing hydroxy as the only directing group
C09B29/10 (From coupling components containing hydroxy as the only directing group) appears on 226 US grants and 81 published applications in this corpus.
Search patents in C09B- Granted patents
- 226
- Published applications
- 81
- Assignees
- 107
- Inventors
- 468
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 18 | 0 |
| 1979 | 15 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 3 | 4 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 4 | 15 |
| 2011 | 8 | 11 |
| 2012 | 9 | 5 |
| 2013 | 7 | 5 |
| 2014 | 3 | 4 |
| 2015 | 5 | 3 |
| 2016 | 2 | 4 |
| 2017 | 7 | 6 |
| 2018 | 1 | 3 |
| 2019 | 1 | 3 |
| 2020 | 4 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Azo pigment, ink, paint, colorant for plastics, colored molded article, colorant for stationery and writing materials, printing agent, toner, dispersion and resist for color filters, and cosmetic material21 Apr 2026US 12,606,717 B2DIC Corporation
- Water-based inkjet yellow ink, ink set, and method for producing printed matter10 Jun 2025US 12,325,802 B2artience Co., Ltd.
- Joint compounds and plasters with a complexometric dye and methods1 Feb 2022US 11,236,234 B2United States Gypsum Company
- Use of novel naphthol AS-pigment-mixtures in printing-materials22 Sep 2020US 10,782,625 B2Clariant Plastics & Coatings Ltd
- Naphthol as-pigments25 Aug 2020US 10,752,779 B2Clariant Plastics & Coatings Ltd
- New class of disperse azo dyes, a process for the preparation thereof and the use thereof13 Aug 2026US 2026/0234404 A1Archroma (Switzerland) GmbH
- Visible light absorbers for ophthalmic devices8 May 2025US 2025/0145562 A1Bausch + Lomb Ireland Limited
- Azo pigment, ink, paint, colorant for plastics, colored molded article, colorant for stationery and writing materials, printing agent, toner, dispersion and resist for color filters, and cosmetic material14 Mar 2024US 2024/0084155 A1DIC Corporation
- Water-based inkjet yellow ink, ink set, and method for producing printed matter10 Mar 2022US 2022/0073772 A1Toyo Ink Sc Holdings Co., Ltd.
- Blue ink-jet ink and tablet14 Jan 2021US 2021/0009835 A1Toppan Printing Co., Ltd.
Most cited
By later US patents
- 2-Hydroxy-5-phenylazobenzoic acid derivatives and method of treating ulcerative colitis therewith84US 4,412,992 ABiorex Laboratories Limited · 1983
- 2-[2-Hydroxy-3,5-di-(.alpha. ,.alpha.-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions63US 4,315,848 ACiba-Geigy Corporation · 1982
- 2-[2-Hydroxy-3,5-di-(.alpha.,.alpha.-dimethylbenzyl )phenyl]-2H-benzotriazole and stabilized compositions59US 4,278,589 ACiba-Geigy Corporation · 1981
- Dichroic azo dyes59US 5,589,100 AHercules Incorporated · 1996
- 2-[2-Hydroxy-3,5-di-(. alpha.,.alpha.-dimethylbenzyl)-phenyl]-2H-benzotriazole and stabilized compositions51US 4,226,763 ACiba-Geigy Corporation · 1980