C09B 35/21
Of diarylmethane or triarylmethane
Official title: of diarylmethane or triarylmethane
C09B35/21 (Of diarylmethane or triarylmethane) appears on 6 US grants and 5 published applications in this corpus.
Search patents in C09B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 5
- Inventors
- 13
- Latest grant
- 30 Dec 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Basic bisazo compounds30 Dec 2014US 8,921,564 B2Clariant Finance (BVI) Limited
- Disazo acid dyes22 Jan 2013US 8,357,210 B2Clariant Finance (BVI) Limited
- Multi-chromophoric AZO pyridone colorants13 Jul 2010US 7,754,862 B2Xerox Corporation
- Multi-chromophoric azo pyridone colorants3 Jun 2008US 7,381,253 B2Xerox Corporation
- Cationic azo dyes based on aminobenzoic acid11 Apr 2000US 6,048,968 ABASF SE
- Disazo Acid Dyes25 Aug 2011US 2011/0203058 A1Clariant Finance (BVI) Limited
- Basic Bisazo Compounds7 Jan 2010US 2010/0000033 A1Clariant Finance (BVI) Limited
- Disazo Acid Dyes21 May 2009US 2009/0126128 A1Clariant Finance (BVI) Limited
- Multi-chromophoric azo pyridone colorants20 Mar 2008US 2008/0071051 A1Xerox Corporation
- Multi-chromophoric azo pyridone colorants8 Jun 2006US 2006/0117991 A1Xerox Corporation
Most cited
By later US patents
- Cationic azo dyes based on aminobenzoic acid21US 6,048,968 ABASF SE · 2000
- Multi-chromophoric AZO pyridone colorants2US 7,754,862 B2Xerox Corporation · 2010
- Magenta toner for developing electrostatic images, colored resin, colored molded resin member and color filter1US 5,254,420 AOrient Chemical Industries, Ltd. · 1993