C07D 317/02
Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only
Official title: having the hetero atoms in positions 1 and 2
C07D317/02 (Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only) appears on 30 US grants and 22 published applications in this corpus.
Search patents in C07D- Granted patents
- 30
- Published applications
- 22
- Assignees
- 28
- Inventors
- 112
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 4 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation of optically active enantiomers of piperonyl amines by resolution of the diastereomeric salts25 Aug 2026US 12,715,852 B2EmpathBio, Inc.
- Key intermediate for synthesis of prostaglandin compound and preparation method thereof12 May 2026US 12,623,992 B2Shenzhen Catalys Technology Co., Ltd
- Silicon-based energy storage devices with electrolyte additive compounds29 Aug 2023US 11,742,519 B2Enevate Corporation
- Plakortinic acids A and B: cytotoxic cycloperoxides with a unique bicyclo[4.2.0]octene unit from sponges of the genera Plakortis and Xestospongia14 Dec 2021US 11,198,678 B1University of Puerto Rico
- Process for preparing an epoxidation catalyst3 Nov 2020US 10,821,430 B2Dow Technology Investments LLC
- Preparation of optically active enantiomers of piperonyl amines by resolution of the diastereomeric salts6 Apr 2023US 2023/0109467 A1ATAI Life Sciences AG
- Key intermediate for synthesis of prostaglandin compound and preparation method thereof8 Sep 2022US 2022/0281797 A1Shenzhen Catalys Technology Co., Ltd
- Silicon-based energy storage devices with electrolyte additive compounds10 Dec 2020US 2020/0388880 A1Enevate Corporation
- Process for preparing an epoxidation catalyst20 Jun 2019US 2019/0184387 A1Dow Technology Investments LLC
- Resist composition and patterning process4 Jan 2018US 2018/0004087 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- 9,11-cycloendoperoxide pro-drugs of prostaglandin analogues for treatment of ocular hypertension and glaucoma23US 6,864,282 B2Allergan, Inc. · 2005
- Preparation of .alpha.-arylalkanoic acids16US 4,605,758 ASyntex Pharmaceuticals International Ltd. · 1986
- Prostanoid compounds and pharmaceutical compositions14US 4,447,428 AGlaxo Group Limited · 1984
- Prostanoid compounds and compositions12US 4,265,891 AGlaxo Group Limited · 1981
- Resist composition and patterning process11US 10,303,056 B2Shin-Etsu Chemical Co., Ltd. · 2019