C07D 307/62
Three oxygen atoms
Official title: Three oxygen atoms, e.g. ascorbic acid
C07D307/62 (Three oxygen atoms) appears on 185 US grants and 106 published applications in this corpus.
Search patents in C07D- Granted patents
- 185
- Published applications
- 106
- Assignees
- 126
- Inventors
- 509
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 0 |
| 2002 | 6 | 6 |
| 2003 | 5 | 7 |
| 2004 | 3 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 2 |
| 2007 | 2 | 5 |
| 2008 | 1 | 2 |
| 2009 | 2 | 5 |
| 2010 | 4 | 13 |
| 2011 | 1 | 2 |
| 2012 | 4 | 3 |
| 2013 | 5 | 4 |
| 2014 | 5 | 3 |
| 2015 | 3 | 7 |
| 2016 | 3 | 7 |
| 2017 | 3 | 4 |
| 2018 | 4 | 5 |
| 2019 | 3 | 4 |
| 2020 | 6 | 1 |
| 2021 | 2 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 4 |
| 2025 | 1 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for measuring ascorbic acid19 May 2026US 12,630,519 B2Laboratory Corporation of America Holdings
- Method and agents for detecting luciferase activity18 Nov 2025US 12,473,582 B2Light Bio, Inc.
- Biomimetic nanomaterials and uses thereof9 Jul 2024US 12,029,790 B2Ohio State Innovation Foundation
- Method and agents for detecting luciferase activity31 Oct 2023US 11,802,302 B2Light Bio, Inc.
- Divalent metal ascorbate glycinate co-salt13 Dec 2022US 11,524,971 B2Jost Chemical Co.
- Methods and systems for measuring ascorbic acid3 Sep 2026US 2026/0258008 A1Laboratory Corporation of America Holdings
- Sugarcane derived semi-synthetic cosmetic ingredients, methods of production thereof, and personal care products derived therefrom23 Jul 2026US 2026/0207459 A1Amyris, Inc.
- Substituted furanones and use thereof for agricultural applications21 May 2026US 2026/0137081 A1Sound Agriculture Company
- Ascorbic acid derivative or salt thereof, and cosmetic thereof1 Jan 2026US 2026/0001853 A1Seiwa Kasei Company, Limited
- Conjugate compound comprising 13-cis-retinoic acid and ascorbic acid1 Jan 2026US 2026/0001854 A1Mastery Biotech CO., LTD.
Most cited
By later US patents
- Preparation of alkyl-substituted 2-deoxy-2-fluoro-D-ribofuranosyl pyrimidines and purines and their derivatives82US 7,601,820 B2Pharmasset, Inc. · 2009
- Cysteine protease inhibitors containing heterocyclic leaving groups54US 5,486,623 APrototek, Inc. · 1996
- Preparation of alkyl-substituted 2-deoxy-2-fluoro-D-ribofuranosyl pyrimidines and purines and their derivatives53US 8,481,713 B2Gilead Pharmasset LLC · 2013
- Electrochemical methods for recovery of ascorbic acid50US 6,004,445 AThe Electrosynthesis Company, Inc. · 1999
- 3,4-diaryl-2-hydroxy-2,5-dihydrofurans as prodrugs to COX-2 inhibitors48US 5,698,584 AMerck Frosst Canada, Inc. · 1997