C07C 50/28
With monocyclic quinoid structure
Official title: with monocyclic quinoid structure
C07C50/28 (With monocyclic quinoid structure) appears on 96 US grants and 69 published applications in this corpus.
Search patents in C07C- Granted patents
- 96
- Published applications
- 69
- Assignees
- 55
- Inventors
- 199
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 5 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 5 | 3 |
| 2017 | 1 | 1 |
| 2018 | 4 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 4 |
| 2021 | 5 | 6 |
| 2022 | 1 | 5 |
| 2023 | 2 | 2 |
| 2024 | 4 | 7 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Co-crystal of coenzyme QH and nicotinamide, preparation method therefor and use thereof25 Aug 2026US 12,715,832 B2Cocrystal Technology (Jiaxing) Co., Ltd.
- Production method for reduced coenzyme Q10 form-II type crystal or crystalline solid thereof5 May 2026US 12,617,744 B2Kaneka Corporation
- Anti-bacterial stilbene derivatives and methods of use29 Apr 2025US 12,286,398 B2Yale University
- Nanomaterial, preparation method thereof, and semiconductor device18 Feb 2025US 12,232,339 B2Tcl Technology Group Corporation
- Pharmaceutical composition for treating fibrosis24 Sep 2024US 12,098,129 B2LTT Bio-Pharma Co., Ltd.
- Bromoquinone as a treatment for obesity and cancer30 Jul 2026US 2026/0216099 A1
- Crystal and formulation of reduced coenzyme q108 Jan 2026US 2026/0008739 A1Kaneka Corporation
- Methods, compositions, and uses related to the treatment and prevention of leigh syndrome8 May 2025US 2025/0144049 A1Stealth BioTherapeutics Inc.
- Methods, compositions and uses related to the treatment and prevention of leigh’s syndrome20 Mar 2025US 2025/0090562 A1Stealth BioTherapeutics Inc.
- Cannabigeroquinone compounds, compositions including such compounds, and uses of such compounds and compositions6 Mar 2025US 2025/0073184 A1Juva Life, Inc.
Most cited
By later US patents
- Particles with modified physicochemical properties, their preparation and uses62US 6,197,349 B1Knoll, Inc. · 2001
- Quinone compounds and their use in suppressing the production of SRS-A in mammals39US 4,393,075 ATakeda Chemical Industries, Ltd. · 1983
- Quinone derivatives27US 4,559,177 ATakeda Chemical Industries, Ltd. · 1985
- Aralkyl carboxylic acid compounds25US 4,139,545 ATakeda Chemical Industries, Ltd. · 1979
- Synthesis of vitamin E and quinone intermediates24US 4,310,465 AHoffmann-La Roche Inc. · 1982