C09B 67/0027
Of quinacridones
Official title: {of quinacridones}
C09B67/0027 (Of quinacridones) appears on 38 US grants and 22 published applications in this corpus.
Search patents in C09B- Granted patents
- 38
- Published applications
- 22
- Assignees
- 17
- Inventors
- 74
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Solid solution of quinacridone and ink composition containing same1 Oct 2024US 12,104,063 B2DIC Corporation
- Method for producing quinacridone solid-solution pigment, pigment dispersion, and ink-jet ink12 Mar 2024US 11,926,741 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink3 Oct 2023US 11,773,267 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink27 Dec 2022US 11,535,755 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Magenta quinacridone pigments3 Mar 2015US 8,968,454 B2Clariant Finance (BVI) Limited
- Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink1 Sep 2022US 2022/0275214 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Solid solution of quinacridone and ink composition containing same11 Feb 2021US 2021/0040327 A1DIC Corporation
- Method for producing quinacridone solid-solution pigment, pigment dispersion, and ink-jet ink31 Dec 2020US 2020/0407563 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink27 Feb 2020US 2020/0062965 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Novel quinacridone pigment composition, and method for producing quinacridone microparticles28 Mar 2013US 2013/0078467 A1M. Technique Co., Ltd.
Most cited
By later US patents
- Modified beta-quinacridone pigment35US 4,857,646 ACiba-Geigy Corporation · 1989
- Oxidation process for preparing quinacridone pigments20US 5,286,863 ACiba-Geigy Corporation · 1994
- Quinacridone solid solutions having unique styling applications15US 5,236,498 AMiles Inc. · 1993
- Quinacridone mixed-crystal pigments of the gamma phase14US 6,312,512 B1Clariant GmbH · 2001
- Process for preparation of yellow shade modification of gamma quinacridone13US 4,760,144 ACiba-Geigy Corporation · 1988