C07C 229/68
With amino and carboxyl groups bound to carbon atoms of six-membered aromatic
Official title: with amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
C07C229/68 (With amino and carboxyl groups bound to carbon atoms of six-membered aromatic) appears on 23 US grants and 22 published applications in this corpus.
Search patents in C07C- Granted patents
- 23
- Published applications
- 22
- Assignees
- 18
- Inventors
- 49
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Anthraquinone compound, liquid crystal composition containing said compound, and dimming element27 May 2025US 12,312,294 B2Nippon Kayaku Kabushiki Kaisha
- Stilbene derivative and method for preparing same31 Dec 2024US 12,180,152 B2Ozchela Inc.
- Resist composition and patterning process9 Aug 2022US 11,409,194 B2Shin-Etsu Chemical Co., Ltd.
- Stilbene derivative and method for preparing same2 Aug 2022US 11,401,231 B2Ozchela Inc.
- Stilbene derivative and method for preparing same29 Mar 2022US 11,286,228 B2Ozchela Inc.
- Compounds for electronic devices24 Jul 2025US 2025/0241195 A1Merck Patent GmbH
- Anthraquinone compound, liquid crystal composition containing said compound, and dimming element12 Dec 2024US 2024/0409497 A1Nippon Kayaku Kabushiki Kaisha
- Stilbene Derivative and Method for Preparing Same22 Dec 2022US 2022/0402841 A1Ozchela Inc.
- Resist composition and patterning process13 Feb 2020US 2020/0050105 A1Shin-Etsu Chemical Co., Ltd.
- Stilbene derivative and method for preparing same22 Aug 2019US 2019/0255009 A1Ozchela Inc.
Most cited
By later US patents
- Organic electroluminescence device19US 6,815,090 B1Idemitsu Kosan Co., Ltd. · 2004
- Perylenequinone derivatives and uses thereof17US 8,758,725 B2Quest Pharmatech Inc. · 2014
- Organic electroluminescence device13US 6,818,327 B2Idemitsu Kosan Co., Ltd. · 2004
- Bis-(hydroxylakylamino)-anthraquinone inhibitors of protein kinase C12US 5,344,841 ASphinx Pharmaceuticals Corporation · 1994
- Bioactive bicyclic aromatic compounds and pharmaceutical/cosmetic compositions comprised thereof7US 5,763,487 ACentre International de Recherches Dermatologiques Galderma · 1998