C09B 29/3643
From quinolines or hydrogenated quinolines
Official title: {from quinolines or hydrogenated quinolines}
C09B29/3643 (From quinolines or hydrogenated quinolines) appears on 60 US grants and 16 published applications in this corpus.
Search patents in C09B- Granted patents
- 60
- Published applications
- 16
- Assignees
- 29
- Inventors
- 92
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 10 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 2 |
| 2018 | 4 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 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 same10 Dec 2024US 12,163,084 B2LG Chem.Ltd.
- Sensor dyes for real-time sensing of metal ions in aqueous environments15 Mar 2022US 11,275,071 B2UWM Research Foundation, Inc.
- Monoazo dyes with cyclic amine as fluorescence quenchers15 Dec 2020US 10,865,309 B2Enzo Biochem, Inc.
- Monoazo dyes with cyclic amine as fluorescence quencers20 Nov 2018US 10,131,789 B2Enzo Biochem, Inc.
- Monoazo dyes with cyclic amine as fluorescence quenchers1 May 2018US 9,957,393 B2Enzo Biochem, Inc.
- Monoazo dichroic dye compound, polarizing plate composition comprising same, polarizing plate formed therefrom, and optical device comprising same26 Oct 2023US 2023/0340331 A1LG Chem.Ltd.
- Monoazo dyes with cyclic amine as fluorescence quenchers18 Mar 2021US 2021/0079225 A1Enzo Biochem, Inc.
- Sensor dyes for real-time sensing of metal ions in aqueous environments30 Jan 2020US 2020/0033314 A1AquaMetals, LLC
- Monoazo dyes with cyclic amine as fluorescence quenchers28 Feb 2019US 2019/0062560 A1Enzo Biochem, Inc.
- Monoazo dyes with cyclic amine as fluorescence quencers2 Aug 2018US 2018/0215920 A1Enzo Biochem, Inc.
Most cited
By later US patents
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- 2-Thienyl azo dyestuff compounds34US 4,264,495 AEastman Kodak Company · 1981
- Thermal transfer printing: hetero-aromatic azo dye32US 4,764,178 AImperial Chemical Industries PLC · 1988
- Nitrogen and/or sulfur containing heterocyclic azo dyes with aniline, tetrahydroquinoline and benzomorpholine couplers having sulfate group22US 4,255,326 AEastman Kodak Company · 1981
- Azo dyes derived from 5-membered heterocyclic amines and aromatic amine couplers containing sulfo groups, or salts thereof20US 4,282,144 AEastman Kodak Company · 1981