C07C 69/95
Esters of quinone carboxylic acids
C07C69/95 (Esters of quinone carboxylic acids) appears on 27 US grants and 22 published applications in this corpus.
Search patents in C07C- Granted patents
- 27
- Published applications
- 22
- Assignees
- 36
- Inventors
- 127
- Latest grant
- 1 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pleuromulin rhein ester with anti-drug resistant bacteria activity and a method of preparing the same1 Nov 2022US 11,484,598 B1Xi'an Kangyuansheng Biomedical Technology Co., Ltd.
- Cinnamyl alcohol cassic acid ester with antibacterial activity and a method of preparing the same16 Mar 2021US 10,947,182 B1Shaanxi University of Science and Technology
- Crotonyl alcohol cassic acid ester with antibacterial activity and a method of preparing the same21 Jul 2020US 10,717,699 B1Southwest University
- Anthraquinone analogs and methods of making and using thereof28 Jan 2020US 10,544,090 B2Children's Healthcare of Atlanta, Inc.
- Resist composition, patterning process, and barium, cesium and cerium salts18 Sep 2018US 10,078,264 B2Shin-Etsu Chemical Co., Ltd.
- Synthetic Cannabigerol Quinone Analogs and Pharmaceutical Compositions Containing Same for Treating Neurological Disorders31 Jul 2025US 2025/0241934 A1Miralogx LLC
- Electrophotographic photosensitive member, process cartridge, and image forming apparatus29 Dec 2022US 2022/0413404 A1KYOCERA Document Solutions Inc.
- Pleuromulin rhein ester with anti-drug resistant bacteria activity and a method of preparing the same20 Oct 2022US 2022/0331436 A1Xi'an Kangyuansheng Biomedical Technology Co., Ltd.
- Asymmetric derivatives of polyphenols of the dinaphthaline series, process of preparing and use thereof26 Nov 2020US 2020/0369618 A1Nearmedic International Limited
- Novel cannabigerol derivatives31 Aug 2017US 2017/0247308 A1Vivacell Biotechnology Espana, S.L.
Most cited
By later US patents
- Disubstituted lavendustin A analogs and pharmaceutical composition comprising the analogs12US 6,943,191 B1The United States of America as represented by the Department of Health and Human Services · 2005
- Selective demethylation of anthracycline derivatives10US 3,963,760 ASocieta' Farmaceutici Italia S.p.A. · 1976
- Arylalkyl esters of 4,5-dihydroxy-9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid having therapeutical activity8US 5,330,981 AIstituto Gentili S.p.A. · 1994
- Process for the preparation of dimethyl succinylosuccinate, the disodium salt thereof, dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and dianilinoterephthalic acids, and the dimethyl esters and salts thereof4US 4,435,589 ABayer Aktiengesellschaft · 1984
- Naphthoquinone derivative4US 5,977,389 AMita Industrial Co., Ltd. · 1999