C09B 47/24
Obtaining compounds having —cooh or —so3h radicals, or derivatives thereof, directly bound
Official title: Obtaining compounds having —COOH or —SO3H radicals, or derivatives thereof, directly bound to the phthalocyanine radical
C09B47/24 (Obtaining compounds having —cooh or —so3h radicals, or derivatives thereof, directly bound) appears on 204 US grants and 122 published applications in this corpus.
Search patents in C09B- Granted patents
- 204
- Published applications
- 122
- Assignees
- 77
- Inventors
- 375
- Latest grant
- 16 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 6 |
| 2003 | 3 | 14 |
| 2004 | 6 | 2 |
| 2005 | 2 | 6 |
| 2006 | 5 | 9 |
| 2007 | 6 | 6 |
| 2008 | 7 | 10 |
| 2009 | 6 | 9 |
| 2010 | 10 | 11 |
| 2011 | 11 | 11 |
| 2012 | 4 | 7 |
| 2013 | 8 | 7 |
| 2014 | 6 | 4 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 4 |
| 2019 | 1 | 0 |
| 2020 | 2 | 6 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Forming three-dimensional (3D) printed electronics16 May 2023US 11,648,731 B2Hewlett-Packard Development Company, L. P.
- Ink set7 Feb 2023US 11,572,485 B2Seiko Epson Corporation
- Nano dye molecule, color filter, and display panel27 Sep 2022US 11,453,781 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Chlorinated copper phthalocyanine pigments13 Jul 2021US 11,059,978 B2Sun Chemical Corporation
- Ink jet recording method and ink jet recording apparatus24 Nov 2020US 10,844,237 B2Canon Kabushiki Kaisha
- Forming three-dimensional (3d) printed electronics24 Aug 2023US 2023/0264414 A1Hewlett-Packard Development Company, L. P.
- Compound, anti-reflective film comprising same, and display device20 Apr 2023US 2023/0123971 A1Samsung SDI.Co., Ltd.
- Dye ink composition, dye ink for ink jet recording, and ink jet recording method30 Dec 2021US 2021/0403736 A1FUJIFILM Corporation
- Article including phthalocyanine dyes19 Aug 2021US 2021/0253863 A1Viavi Solutions Inc.
- Nano dye molecule, color filter, and display panel17 Jun 2021US 2021/0179854 A1Tcl China Star Optoelectronics Technology Co., Ltd.
Most cited
By later US patents
- Metal phthalocyanine colorants for phase change inks124US 6,221,137 B1Xerox Corporation · 2001
- Ink and ink jet recording method employing the same79US 5,123,960 ACanon Kabushiki Kaisha · 1992
- Copper phthalocyanine compound and aqueous ink composition comprising the same57US 4,732,615 ASumitomo Chemical Company, Limited · 1988
- Porphyrin, azaporphyrin, and related fluorescent dyes free of aggregation and serum binding56US 5,641,878 ADiatron Corporation · 1997
- Fluorescent marker components and fluorescent probes52US 5,403,928 ADiatron Corporation · 1995