C09B 67/0022
Wet grinding of pigments
Official title: {Wet grinding of pigments}
C09B67/0022 (Wet grinding of pigments) appears on 157 US grants and 117 published applications in this corpus.
Search patents in C09B- Granted patents
- 157
- Published applications
- 117
- Assignees
- 70
- Inventors
- 397
- Latest grant
- 11 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 4 |
| 2002 | 8 | 5 |
| 2003 | 5 | 5 |
| 2004 | 2 | 8 |
| 2005 | 7 | 9 |
| 2006 | 7 | 4 |
| 2007 | 2 | 6 |
| 2008 | 6 | 6 |
| 2009 | 4 | 9 |
| 2010 | 2 | 11 |
| 2011 | 3 | 3 |
| 2012 | 5 | 4 |
| 2013 | 5 | 5 |
| 2014 | 5 | 11 |
| 2015 | 7 | 5 |
| 2016 | 9 | 7 |
| 2017 | 8 | 4 |
| 2018 | 3 | 7 |
| 2019 | 4 | 0 |
| 2020 | 4 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Universal pigment preparations for point-of-sale use11 Jan 2022US 11,220,602 B2BASF SE
- Chlorinated copper phthalocyanine pigments13 Jul 2021US 11,059,978 B2Sun Chemical Corporation
- Self-assembled nano-structured particle and methods for preparing27 Apr 2021US 10,988,618 B2
- Pigment dispersion, method for manufacturing toner, aqueous ink, and triazo compound9 Jun 2020US 10,678,156 B2Canon Kabushiki Kaisha
- Method for producing organic pigment microparticles7 Apr 2020US 10,611,915 B2M. Technique Co., Ltd.
- Aqueous pigment dispersion and inkjet ink30 May 2024US 2024/0174882 A1DIC Corporation
- Chlorinated copper phthalocyanine pigments9 Apr 2020US 2020/0109291 A1Sun Chemical Corporation
- Self-assembled nano-structured particle and methods for preparing6 Feb 2020US 2020/0040191 A1Dystar Hilton Davis Corp.
- Manufacturing method for fine organic pigment23 Jan 2020US 2020/0024456 A1Kao Corporation
- Pigment dispersion, method for manufacturing toner, aqueous ink, and triazo compound27 Sep 2018US 2018/0275545 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Process for the preparation of N,N'-dimethylperylene-3,4,9,10-tetracarboxylic diimide in high-hiding pigment form60US 5,110,931 AHoechst Aktiengesellschaft · 1992
- Process for the preparation of pigment dispersion, pigment dispersion obtained by the same, ink jet recording ink comprising the same, and recording method and recorded material using the same52US 6,916,862 B2Seiko Epson Corporation · 2005
- Process for preparing pigment dispersions used in inks43US 5,891,231 ALexmark International, Inc. · 1999
- Preparation of pigmentary form of quinacridone pigments35US 4,455,173 AE. I. Du Pont de Nemours and Company · 1984
- Electrophotographic photosensitive member, method of producing phthalocyanine crystal, method of producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine crystal30US 8,974,991 B2Canon Kabushiki Kaisha · 2015