C09B 67/0028
Of azo compounds
Official title: {of azo compounds}
C09B67/0028 (Of azo compounds) appears on 75 US grants and 32 published applications in this corpus.
Search patents in C09B- Granted patents
- 75
- Published applications
- 32
- Assignees
- 30
- Inventors
- 160
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 6 |
| 2012 | 3 | 3 |
| 2013 | 3 | 0 |
| 2014 | 1 | 4 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pigment preparations10 Dec 2024US 12,163,031 B2LANXESS Deutschland GmbH
- Polyamide molding compositions with improved optical properties and use of colorants therein26 Oct 2021US 11,155,692 B2BASF SE
- Metal azo pigments28 Aug 2018US 10,059,844 B2LANXESS Deutschland GmbH
- Metal azo pigments17 Jul 2018US 10,023,744 B2LANXESS Deutschland GmbH
- Metal azo pigments10 Jul 2018US 10,017,645 B2LANXESS Deutschland GmbH
- C.i. pigment yellow 180, aqueous pigment dispersion for ink-jet ink, and aqueous pigment ink30 Mar 2023US 2023/0095111 A1DIC Corporation
- Pigment preparations7 Apr 2022US 2022/0106487 A1LANXESS Deutschland GmbH
- Polyamide molding compositions with improved optical properties and use of colorants therein29 Oct 2020US 2020/0339778 A1BASF SE
- Aqueous pigment dispersion, method for producing same, coloring composition, ink composition, ink composition for inkjet recording, and inkjet recording method26 Jul 2018US 2018/0208787 A1FUJIFILM Corporation
- Metal azo pigments28 Sep 2017US 2017/0275466 A1LANXESS Deutschland GmbH
Most cited
By later US patents
- Metal complex pigments17US 6,350,307 B1Bayer Aktiengesellschaft · 2002
- Near-infrared transmitting black azo pigments15US 6,623,556 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd. · 2003
- Disperse dye stable to dyeing, and its use for dyeing synthetic and semi-synthetic fibre materials14US 4,327,999 ACiba-Geigy Corporation · 1982
- Crystal polymorphs of a yellow disazo colorant, and their preparation14US 6,504,045 B2Clariant GmbH · 2003
- Stable monoazo dyestuff11US 4,074,965 AHoechst Aktiengesellschaft · 1978