C09B 29/32
From coupling components containing a reactive methylene group
Official title: from coupling components containing a reactive methylene group
C09B29/32 (From coupling components containing a reactive methylene group) appears on 119 US grants and 54 published applications in this corpus.
Search patents in C09B- Granted patents
- 119
- Published applications
- 54
- Assignees
- 39
- Inventors
- 193
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 3 |
| 2010 | 5 | 8 |
| 2011 | 10 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 1 |
| 2014 | 3 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Optical sheet and optical component14 Oct 2025US 12,442,954 B2Sumitomo Bakelite Co., Ltd.
- Inkjet ink composition7 Feb 2023US 11,572,481 B2Hewlett-Packard Development Company, L. P.
- Pigment composition10 Jan 2023US 11,549,018 B2Sanyo Color Works, Ltd.
- Yellow toner21 Sep 2021US 11,126,101 B2Zeon Corporation
- Pigment composition production method13 Oct 2020US 10,800,922 B2Kao Corporation
- Pigment composition, colorant, and liquid ink9 Oct 2025US 2025/0313700 A1DIC Corporation
- Aqueous ink, ink cartridge and ink jet recording method26 Jun 2025US 2025/0206972 A1Canon Kabushiki Kaisha
- Optical sheet and optical component12 Jan 2023US 2023/0011467 A1Sumitomo Bakelite Co., Ltd.
- Yellow toner5 Nov 2020US 2020/0348610 A1Zeon Corporation
- Inkjet ink composition16 Apr 2020US 2020/0115569 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Colorant compounds84US 7,381,831 B1Xerox Corporation · 2008
- AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound56US 8,377,616 B2Canon Kabushiki Kaisha · 2013
- azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the AZO compound52US 8,628,899 B2Canon Kabushiki Kaisha · 2014
- Heterocyclic azo dyes and pigments containing 4-quinazolinone moieties40US 4,225,489 ABayer Aktiengesellschaft · 1980
- Ink, ink set, ink jet recording method, ink cartridge and ink jet recording apparatus32US 7,297,203 B2Canon Kabushiki Kaisha · 2007