C09B 29/0092
Containing a five-membered heterocyclic ring with two nitrogen and one sulfur as
Official title: {containing a five-membered heterocyclic ring with two nitrogen and one sulfur as heteroatoms}
C09B29/0092 (Containing a five-membered heterocyclic ring with two nitrogen and one sulfur as) appears on 34 US grants and 21 published applications in this corpus.
Search patents in C09B- Granted patents
- 34
- Published applications
- 21
- Assignees
- 19
- Inventors
- 77
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
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| 1989 | 0 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 4 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same26 Aug 2025US 12,398,326 B2LG Chem.Ltd.
- Hair-dye composition26 Nov 2019US 10,485,747 B2Kao Corporation
- Direct dyes and composition comprising the dyes5 Feb 2019US 10,196,520 B2Kao Germany GmbH
- Azo dye composition and method for producing same12 Dec 2017US 9,840,622 B2Fujilm Corporation
- Azo dye composition and method for producing same7 Nov 2017US 9,809,710 B2Fujilm Corporation
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same9 Nov 2023US 2023/0357638 A1LG Chem.Ltd.
- Direct dyes and composition comprising the dyes21 Dec 2017US 2017/0362436 A1Kao Germany GmbH
- Hair-dye composition13 Jul 2017US 2017/0196792 A1Kao Corporation
- Azo dye composition and method for producing same25 May 2017US 2017/0145215 A1FUJIFILM Corporation
- Novel azo compound and azo colorant23 Mar 2017US 2017/0081517 A1FUJIFILM Corporation
Most cited
By later US patents
- Ink, ink jet recording method and azo compound92US 6,878,196 B2Fuji Photo Film Co., Ltd. · 2005
- Disperse dyes which are convertible into a thermomigration fast form15US 5,116,958 ACiba-Geigy Corporation · 1992
- Azo dye, ink jet recording ink, heat sensitive recording material, color toner, color filter, ink jet recording method, ink cartridge and ink jet printer9US 7,648,943 B2FUJIFILM Corporation · 2010
- Heterocyclic monoazo dyes for polyester fibers6US 4,542,207 AResearch Association Of Synthetic Dyestuffs · 1985
- Cationic 1,3,4-thiadiazole dyestuffs5US 5,436,323 ABayer Aktiengesellschaft · 1995