C09B 67/0016
Of phthalocyanines
Official title: {of phthalocyanines}
C09B67/0016 (Of phthalocyanines) appears on 144 US grants and 38 published applications in this corpus.
Search patents in C09B- Granted patents
- 144
- Published applications
- 38
- Assignees
- 48
- Inventors
- 256
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 19 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 6 |
| 2007 | 3 | 3 |
| 2008 | 4 | 4 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 0 |
| 2015 | 3 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dye ink composition, cyan dye ink, dye ink for ink jet recording, ink jet recording method, and aqueous dye solution20 Jan 2026US 12,528,945 B2FUJIFILM Corporation
- Condensed polycyclic organic pigment composition containing polyvalent metal inorganic salt23 Jan 2024US 11,879,064 B2DIC Corporation
- Chlorinated copper phthalocyanine pigments13 Jul 2021US 11,059,978 B2Sun Chemical Corporation
- Chlorinated copper phthalocyanine pigments28 Jan 2020US 10,544,307 B2Sun Chemical Corporation
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus10 Sep 2019US 10,409,179 B1Fuji Xerox Co., Ltd.
- Method of producing colorant, pigment composition, and aqueous pigment dispersion23 Jun 2022US 2022/0195198 A1DIC Corporation
- Dye ink composition, cyan dye ink, dye ink for ink jet recording, ink jet recording method, and aqueous dye solution2 Jun 2022US 2022/0169859 A1FUJIFILM Corporation
- Condensed polycyclic organic pigment composition containing polyvalent metal inorganic salt11 Mar 2021US 2021/0071015 A1DIC Corporation
- Chlorinated copper phthalocyanine pigments9 Apr 2020US 2020/0109291 A1Sun Chemical Corporation
- Chlorinated copper phthalocyanine pigments2 Aug 2018US 2018/0215921 A1Sun Chemical Corporation
Most cited
By later US patents
- Hydroxygallium phthalocyanine imaging members and processes165US 5,473,064 AXerox Corporation · 1995
- Processes for the preparation of titanium phthalocyanines85US 5,166,339 AXerox Corporation · 1992
- Crystals of hydroxygallium phthalocyanine, method of preparing the crystals, photoconductive material comprising the crystals, and electrophotographic photoreceptor comprising the material70US 5,302,479 AFuji Xerox Co., Ltd. · 1994
- Photoreceptor69US 4,898,799 AKonica Corporation · 1990
- Process for preparing hydroxygallium phthalocyanine crystals and electrophotographic photoreceptor using the crystals52US 5,459,004 AFuji Xerox Co., Ltd. · 1995