C09B 35/023
In which the coupling component is a hydroxy or polyhydroxy compound
Official title: in which the coupling component is a hydroxy or polyhydroxy compound
C09B35/023 (In which the coupling component is a hydroxy or polyhydroxy compound) appears on 35 US grants and 12 published applications in this corpus.
Search patents in C09B- Granted patents
- 35
- Published applications
- 12
- Assignees
- 21
- Inventors
- 88
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ink composition for ink jet printing15 Sep 2026US 12,735,591 B2Seiko Epson Corporation
- Optical sheet and optical component14 Oct 2025US 12,442,954 B2Sumitomo Bakelite Co., Ltd.
- Dye compound, composition comprising dye compound, and display device using dye compound15 Oct 2019US 10,442,931 B2Samsung Display Co., Ltd.
- Azo dyes27 May 2014US 8,734,534 B2Kemira Oyj
- Method of drying organic pigment, method of processing phthalocyanine pigment, and method of manufacturing electrophotographic photosensitive member27 Aug 2013US 8,518,615 B2Canon Kabushiki Kaisha
- Ink Composition For Ink Jet Printing9 May 2024US 2024/0150601 A1Seiko Epson Corporation
- Optical sheet and optical component12 Jan 2023US 2023/0011467 A1Sumitomo Bakelite Co., Ltd.
- Dye compound, composition comprising dye compound, and display device using dye compound13 Dec 2018US 2018/0355179 A1Samsung Display Co., Ltd.
- Inorganic-organic hybrid compound27 Apr 2017US 2017/0112948 A1
- Azo dyes3 Oct 2013US 2013/0255007 A1Kemira Oyj
Most cited
By later US patents
- Aqueous ink composition for ink-jet recording71US 4,713,113 ARicoh Company, Ltd. · 1987
- Photosensitive member comprising disazo pigment26US 4,783,387 AMinolta Camera Kabushiki Kaisha · 1988
- Disazo compound, method for preparing the same, and electrophotographic element containing the same for use in electrophotography16US 4,582,771 ARicoh Company, Ltd. · 1986
- Electrophotographic photoreceptor containing a trisazo compound15US 4,687,721 AMitsubishi Paper Mills Limited · 1987
- Function separated photosensitive member having a diphenylamine derivative disazo charge generation material12US 4,830,944 ACanon Kabushiki Kaisha · 1989