C09B 3/60
Anthanthrones
C09B3/60 (Anthanthrones) appears on 12 US grants and 6 published applications in this corpus.
Search patents in C09B- Granted patents
- 12
- Published applications
- 6
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 25 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Ink jet ink composition25 May 2021US 11,015,073 B2Seiko Epson Corporation
- Ink jet ink composition21 Apr 2020US 10,626,281 B2Seiko Epson Corporation
- Method of producing fine particles of anthraquinone structure-containing pigment, fine particles of anthraquinone structure-containing pigment produced thereby, colored pigment dispersion composition therewith, colored photosensitive resin composition therewith and photosensitive resin transfer material therewith, and color filter and liquid crystal display device using the same22 Feb 2011US 7,894,023 B2FUJIFILM Corporation
- Magenta dyes and inks for use in ink-jet printing18 Sep 2007US 7,270,700 B2Fujifilm Imaging Colorants Limited
- Fluorescent dyes4 Jul 2000US 6,084,132 ARohm and Haas Company
- Optoelectronic component and method for producing an optoelectronic component27 Mar 2025US 2025/0107288 A1ams-OSRAM International GmbH
- Ink jet ink composition9 Jul 2020US 2020/0216695 A1Seiko Epson Corporation
- Optical article comprising a dye resistant to photo-degradation12 Dec 2019US 2019/0375949 A1Essilor International
- Ink jet ink composition5 Apr 2018US 2018/0094153 A1Seiko Epson Corporation
- Method of producing fine particles of anthraquinone structure-containing pigment, fine particles of anthraquinone structure-containing pigment produced thereby, colored pigment dispersion composition therewith, colored photosensitive resin composition therewith and photosensitive resin transfer material therewith, and color filter and liquid crystal display device using the same5 Feb 2009US 2009/0033844 A1FUJIFILM Corporation
Most cited
By later US patents
- Dichroic light polarizers162US 6,049,428 AOptiva, Inc. · 2000
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- Method of producing fine particles of anthraquinone structure-containing pigment, fine particles of anthraquinone structure-containing pigment produced thereby, colored pigment dispersion composition therewith, colored photosensitive resin composition therewith and photosensitive resin transfer material therewith, and color filter and liquid crystal display device using the same12US 7,894,023 B2FUJIFILM Corporation · 2011
- Process for the preparation of pigments of the anthanthrone series9US 4,705,572 AHoechst Aktiengesellschaft · 1987
- Mixed crystal pigments of the anthanthrone series, and preparation and use thereof4US 5,035,747 AHoechst Aktiengesellschaft · 1991