C09B 67/0019
Of phthalocyanines
Official title: {of phthalocyanines}
C09B67/0019 (Of phthalocyanines) appears on 67 US grants and 37 published applications in this corpus.
Search patents in C09B- Granted patents
- 67
- Published applications
- 37
- Assignees
- 33
- Inventors
- 151
- Latest grant
- 15 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 5 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus15 Feb 2022US 11,249,407 B2Canon Kabushiki Kaisha
- Pigment composition for green filter and production method thereof23 Nov 2021US 11,180,658 B2M. Technique Co., Ltd.
- Colorant for plastic, coloring composition for plastic using the same, and plastic molded article28 Apr 2020US 10,633,510 B2Toyo Ink Sc Holdings Co., Ltd.
- Organic pigment composition for color filters, method for producing same, and color filter2 Apr 2019US 10,247,863 B2DIC Corporation
- Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hours16 Jan 2018US 9,869,032 B2Canon Kabushiki Kaisha
- Colored resin composition, colored resin composition set, and color filter17 Oct 2024US 2024/0343926 A1Mitsubishi Chemical Corporation
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus31 Dec 2020US 2020/0409281 A1Canon Kabushiki Kaisha
- Pigment composition for green filter and production method thereof22 Aug 2019US 2019/0256711 A1M. Technique Co., Ltd.
- Organic pigment composition for color filters, method for producing same, and color filter5 Apr 2018US 2018/0095205 A1DIC Corporation
- Colorant for plastic, coloring composition for plastic using same, and plastic molded article20 Apr 2017US 2017/0107350 A1Toyo Ink Sc Holdings Co., Ltd.
Most cited
By later US patents
- Processes for the preparation of titanium-phthalocyanine Type X72US 5,189,156 AXerox Corporation · 1993
- Processes for the preparation of photogenerating pigments57US 5,153,094 AXerox Corporation · 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
- Electrophotographic photosensitive member and manufacturing method therefor, process cartridge and electrophotographic apparatus including the electrophotographic photosensitive member, and phthalocyanine crystal and method producing therefor34US 9,436,106 B2Canon Kabushiki Kaisha · 2016
- Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hours34US 9,869,032 B2Canon Kabushiki Kaisha · 2018