C09B 29/0808
Unsubstituted amino group
Official title: {unsubstituted amino group}
C09B29/0808 (Unsubstituted amino group) appears on 19 US grants and 14 published applications in this corpus.
Search patents in C09B- Granted patents
- 19
- Published applications
- 14
- Assignees
- 17
- Inventors
- 64
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 1 |
| 2018 | 1 | 3 |
| 2019 | 3 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical sheet and optical component14 Oct 2025US 12,442,954 B2Sumitomo Bakelite Co., Ltd.
- Thermal transfer recording sheet12 May 2020US 10,647,142 B2Canon Kabushiki Kaisha
- Cationic direct dyes3 Dec 2019US 10,494,527 B2BASF SE
- Dye compound, composition comprising dye compound, and display device using dye compound15 Oct 2019US 10,442,931 B2Samsung Display Co., Ltd.
- High wet fast disperse dyes and mixtures thereof28 May 2019US 10,301,474 B2DyStar Colours Distribution GmbH
- Optical sheet and optical component12 Jan 2023US 2023/0011467 A1Sumitomo Bakelite Co., Ltd.
- Laundry detergent31 Mar 2022US 2022/0098520 A1Conopco, Inc., d/b/a UNILEVER
- Laundry detergent31 Mar 2022US 2022/0098525 A1Conopco, Inc., d/b/a UNILEVER
- Dye compound, composition comprising dye compound, and display device using dye compound13 Dec 2018US 2018/0355179 A1Samsung Display Co., Ltd.
- Cationic Direct Dyes30 Aug 2018US 2018/0244924 A1BASF SE
Most cited
By later US patents
- Cationic diazo dyes for the dyeing of hair34US 5,879,413 AWarner-Jenkinson Europe Limited · 1999
- Azo dyes containing 2-amino-3-cyano-5-formylthiophene derivatives as diazo components and substituted aniline compounds as coupling components5US 4,751,288 ABASF SE · 1988
- Azo compound and salts thereof, as well as dye-based polarization films and polarizing plates comprising the same5US 8,477,268 B2Nippon Kayaku Kabushiki Kaisha · 2013
- Disperse azo dyestuffs and process for preparation and their use4US 4,257,943 AHoechst Aktiengesellschaft · 1981
- Amino benzophenone dye4US 5,510,468 ABASF SE · 1996