C09B 29/366
Containing hydroxy-1,2-diazoles
Official title: {containing hydroxy-1,2-diazoles, e.g. pyrazolone}
C09B29/366 (Containing hydroxy-1,2-diazoles) appears on 93 US grants and 25 published applications in this corpus.
Search patents in C09B- Granted patents
- 93
- Published applications
- 25
- Assignees
- 46
- Inventors
- 200
- Latest grant
- 3 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 2 | 2 |
| 2010 | 3 | 5 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Latent additive and composition containing latent additive3 Oct 2017US 9,777,138 B2Adeka Corporation
- AZO compound and ink containing the compound1 Dec 2015US 9,200,171 B2Mitsubishi Chemical Corporation
- Colored curable composition and color filter30 Jun 2015US 9,068,082 B2FUJIFILM Corporation
- Polycarboxylic acid dye with low polymerization degree26 May 2015US 9,040,634 B2Dalian University of Technology
- Stabilizer of color former and use thereof24 Jun 2014US 8,758,648 B2ARKRAY, Inc.
- Latent additive and composition containing latent additive15 Oct 2015US 2015/0291772 A1Adeka Corporation
- Colored curable composition and color filter23 Apr 2015US 2015/0108086 A1FUJIFILM Corporation
- Azo compound and ink containing the compound20 Mar 2014US 2014/0078577 A1Mitsubishi Chemical Corporation
- Polycarboxylic acid dye with low polymerization degree31 Oct 2013US 2013/0289218 A1Dalian University of Technology
- Azo pigment, pigment dispersion containing the azo pigment, and coloring composition27 Jan 2011US 2011/0021764 A1FUJIFILM Corporation
Most cited
By later US patents
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- Dye, ink containing the same, and ink-jet recording method and instrument using the ink39US 5,482,546 ACanon Kabushiki Kaisha · 1996
- Pigment compositions29US 5,669,967 AEngelhard Corporation · 1997
- Pigment compositions29US 5,746,821 AEngelhard Corporation · 1998
- Dyestuff formulations21US 4,249,902 ABayer Aktiengesellschaft · 1981