C09B 67/006
Preparation of organic pigments
Official title: {Preparation of organic pigments}
C09B67/006 (Preparation of organic pigments) appears on 565 US grants and 532 published applications in this corpus.
Search patents in C09B- Granted patents
- 565
- Published applications
- 532
- Assignees
- 303
- Inventors
- 1,785
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 14 | 0 |
| 1978 | 7 | 0 |
| 1979 | 14 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 12 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 16 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 6 |
| 2002 | 15 | 11 |
| 2003 | 9 | 17 |
| 2004 | 12 | 24 |
| 2005 | 11 | 16 |
| 2006 | 11 | 22 |
| 2007 | 14 | 19 |
| 2008 | 12 | 34 |
| 2009 | 12 | 39 |
| 2010 | 23 | 32 |
| 2011 | 13 | 29 |
| 2012 | 20 | 13 |
| 2013 | 22 | 10 |
| 2014 | 20 | 10 |
| 2015 | 9 | 9 |
| 2016 | 8 | 6 |
| 2017 | 10 | 5 |
| 2018 | 3 | 6 |
| 2019 | 6 | 9 |
| 2020 | 4 | 18 |
| 2021 | 8 | 20 |
| 2022 | 9 | 47 |
| 2023 | 13 | 41 |
| 2024 | 29 | 38 |
| 2025 | 12 | 34 |
| 2026 | 21 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 67/0063Of organic pigments with only macromolecular substances138
- C09B 67/0066Aqueous dispersions of pigments containing only dispersing agents111
- C09B 67/0061By grinding a dyed resin62
- C09B 67/0069Non aqueous dispersions of pigments containing only a solvent and a dispersing57
- C09B 67/0065Of organic pigments with only non-macromolecular compounds39
Recent patents
- Electrochromic composition, anti-peep film, and display device22 Sep 2026US 12,742,989 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Near infrared dyes for biological imaging and optoelectronic devices15 Sep 2026US 12,735,573 B2Mississippi State University
- Ink composition for ink jet printing15 Sep 2026US 12,735,591 B2Seiko Epson Corporation
- Aqueous pigment dispersion and inkjet ink15 Sep 2026US 12,735,599 B2DIC Corporation
- Colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll4 Aug 2026US 12,698,397 B2Givaudan SA
- Optical device with transmission inhibition plateau in blue spectral range1 Oct 2026US 2026/0299319 A1ColorBoost Inc.
- Ophthalmic lens comprising an acrylonitrile compound24 Sep 2026US 2026/0286135 A1Essilor International
- Composition for image recording and method of producing the same10 Sep 2026US 2026/0267245 A1Canon Kabushiki Kaisha
- Betalain compositions13 Aug 2026US 2026/0234406 A1Givaudan SA
- Synergists for Dimeric Pigments30 Jul 2026US 2026/0217982 A1Cabot Corporation
Most cited
By later US patents
- Aqueous graft copolymer pigment dispersants118US 5,231,131 AE. I. Du Pont de Nemours and Company · 1993
- Quinacridone nanoscale pigment particles96US 7,427,323 B1Xerox Corporation · 2008
- Pigment dispersant for aqueous paints57US 4,243,430 ARohm and Haas Company · 1981
- Pigment dispersions exhibiting improved compatibility in polyurethane systems55US 4,721,531 APlasticolors, Inc. · 1988
- Fluorescent pigments53US 5,470,502 ABASF SE · 1995