C09B 45/34
Preparation from o-monohydroxy azo compounds having in the o'-position an atom or
Official title: Preparation from o-monohydroxy azo compounds having in the o'-position an atom or functional group other than hydroxyl, alkoxy, carboxyl, amino or keto groups
C09B45/34 (Preparation from o-monohydroxy azo compounds having in the o'-position an atom or) appears on 13 US grants and 21 published applications in this corpus.
Search patents in C09B- Granted patents
- 13
- Published applications
- 21
- Assignees
- 15
- Inventors
- 78
- Latest grant
- 13 Jul 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 5 | 5 |
| 2007 | 3 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- High-capacity optical storage media13 Jul 2010US 7,754,863 B2Ciba Specialty Chemicals Corporation
- Ink18 Sep 2007US 7,270,406 B2Fujifilm Imaging Colorants Limited
- Magenta metal chelate dyes and their use ink-jet printers17 Jul 2007US 7,244,298 B2Fujifilm Imaging Colorants Limited
- Methanesulfonamide azo dyes22 May 2007US 7,220,843 B2Clariant Produkte (Deutschland) GmbH
- Magenta metal complex azo compounds and inks and their use in ink-jet printing19 Dec 2006US 7,150,782 B2Fujifilm Imaging Colorants Limited
- Photosensitive Resin Composition and Color Filter Using the Same28 Jun 2012US 2012/0161087 A1Cheil Industries Inc.
- Coloring matter for optical information recording medium and optical information recording medium2 Jun 2011US 2011/0129635 A1Taiyo Yuden Co., Ltd.
- Optical recording medium and azo metal chelate compound16 Sep 2010US 2010/0233415 A1Mitsui Chemicals, Inc.
- Magenta Dyes and Their Use in Ink-Jet Printing23 Apr 2009US 2009/0104417 A1Fujifilm Imaging Colorants Limited
- Optical recording media26 Mar 2009US 2009/0081401 A1Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenky
Most cited
By later US patents
- Magenta dyes for ink-jet inks44US 5,980,622 AHewlett-Packard Company · 1999
- Metal chelated dyestuff for inkjet recording, aqueous inkjet recording liquid comprising same and inkjet recording method using same9US 6,827,770 B2Mitsubishi Chemical Corporation · 2004
- Azo dyestuffs6US 4,091,021 AImperial Chemical Industries PLC · 1978
- Water-soluble complex dye, recording fluid and recording method4US 7,025,815 B2Mitsubishi Chemical Corporation · 2006
- Water-soluble complex dye, recording fluid and recording method4US 7,097,700 B2Mitsubishi Chemical Corporation · 2006