C09B 35/378
Trisazo dyes of the type [image cpc-sch-c09b-1017.gif]
Official title: Trisazo dyes of the type [IMAGE cpc-sch-C09B-1017.gif]
C09B35/378 (Trisazo dyes of the type [image cpc-sch-c09b-1017.gif]) appears on 37 US grants and 7 published applications in this corpus.
Search patents in C09B- Granted patents
- 37
- Published applications
- 7
- Assignees
- 14
- Inventors
- 62
- Latest grant
- 22 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Coloring compound, yellow toner, ink, thermal transfer recording sheet, and color filter resist composition22 May 2018US 9,976,034 B1Canon Kabushiki Kaisha
- Multi-chromophoric AZO pyridone colorants13 Jul 2010US 7,754,862 B2Xerox Corporation
- Multi-chromophoric azo pyridone colorants3 Jun 2008US 7,381,253 B2Xerox Corporation
- Azo dyestuffs13 May 2008US 7,371,831 B2Clariant Finance (BVI) Limited
- Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the same13 Feb 2007US 7,175,958 B2Ricoh Company, Ltd.
- Coloring compound, yellow toner, ink, thermal transfer recording sheet, and color filter resist composition3 May 2018US 2018/0118944 A1Canon Kabushiki Kaisha
- Yellow Reactive Dye Compound20 Aug 2015US 2015/0232668 A1Zhejiang Keyong Chemical Co., Ltd.
- Multi-chromophoric azo pyridone colorants20 Mar 2008US 2008/0071051 A1Xerox Corporation
- Multi-chromophoric azo pyridone colorants8 Jun 2006US 2006/0117991 A1Xerox Corporation
- Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the same26 May 2005US 2005/0112487 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Electrophotographic photoreceptor containing a trisazo compound and a charge transport material27US 4,731,315 AFuji Photo Film Co., Ltd. · 1988
- Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate25US 4,596,754 ARicoh Company, Ltd. · 1986
- Electrophotographic elements containing trisazo compounds24US 4,279,981 ARicoh Company, Ltd. · 1981
- Electrophotographic photosensitive member with disazo or trisazo compound22US 4,427,753 ACanon Kabushiki Kaisha · 1984
- Cationic azo dyes based on aminobenzoic acid21US 6,048,968 ABASF SE · 2000