C07D 207/38
2-pyrrolones
Official title: 2-Pyrrolones
C07D207/38 (2-pyrrolones) appears on 314 US grants and 232 published applications in this corpus.
Search patents in C07D- Granted patents
- 314
- Published applications
- 232
- Assignees
- 155
- Inventors
- 933
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 12 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 10 | 7 |
| 2003 | 7 | 12 |
| 2004 | 8 | 14 |
| 2005 | 10 | 28 |
| 2006 | 17 | 8 |
| 2007 | 9 | 14 |
| 2008 | 6 | 9 |
| 2009 | 4 | 8 |
| 2010 | 9 | 16 |
| 2011 | 10 | 12 |
| 2012 | 8 | 8 |
| 2013 | 8 | 6 |
| 2014 | 4 | 14 |
| 2015 | 11 | 9 |
| 2016 | 10 | 7 |
| 2017 | 6 | 5 |
| 2018 | 4 | 7 |
| 2019 | 1 | 6 |
| 2020 | 4 | 6 |
| 2021 | 6 | 4 |
| 2022 | 5 | 8 |
| 2023 | 3 | 5 |
| 2024 | 2 | 9 |
| 2025 | 3 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing 2-hydroxy-5-oxoproline6 Oct 2026US 12,753,153 B2
- Discovery, total synthesis, and bioactivity of doscadenamides3 Mar 2026US 12,565,474 B2Smithsonian Institution
- Substituted 6,7-dihydro-5H-benzo[7]annulene compounds, processes for their preparation and therapeutic uses thereof10 Feb 2026US 12,545,640 B2Sanofi
- Bioconjugation reagent and methods25 Nov 2025US 12,479,799 B2Universiteit Gent
- Lactam coated textile4 Nov 2025US 12,460,346 B2Conopco, Inc.
- Compound for preventing and/or treating neurodegenerative disease30 Jul 2026US 2026/0217671 A1Tyk Medicines, Inc.
- Compounds useful for the preparation of various agrochemicals and markers thereof22 Jan 2026US 2026/0022095 A1Adama Agan Ltd.
- Interlukin-17a inhibitors and uses thereof20 Nov 2025US 2025/0353817 A1Gilead Sciences, Inc.
- 4-phenyl-2-pyrrolidinones and methods of using thereof23 Oct 2025US 2025/0326718 A1North Carolina State University
- Sarm1 modulators, preparations, and uses thereof16 Oct 2025US 2025/0320184 A1Sironax Ltd.
Most cited
By later US patents
- Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives104US 5,258,527 ABayer Aktiengesellschaft · 1993
- Substituted 1H--3-aryl-pyrrolidine-2,4-dione derivatives97US 5,622,917 ABayer Aktiengesellschaft · 1997
- 2-and 2,5-substituted phenylketoenols93US 6,114,374 ABayer Aktiengesellschaft · 2000
- Dialkyl-1-H-3-(2,4-dimethylphenyl)-pyrrolidine-2,4-diones, their preparation and their use89US 5,504,057 ABayer Aktiengesellschaft · 1996
- Substituted 1-H-3-phenyl-5-cycloalkylpyrrolidine-2,4-diones, their preparation and their use89US 5,567,671 ABayer Aktiengesellschaft · 1996