C07D 207/26
2-pyrrolidones
Official title: 2-Pyrrolidones
C07D207/26 (2-pyrrolidones) appears on 1,976 US grants and 1,590 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,976
- Published applications
- 1,590
- Assignees
- 842
- Inventors
- 5,527
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 21 | 0 |
| 1978 | 42 | 0 |
| 1979 | 32 | 0 |
| 1980 | 32 | 0 |
| 1981 | 24 | 0 |
| 1982 | 26 | 0 |
| 1983 | 18 | 0 |
| 1984 | 28 | 0 |
| 1985 | 22 | 0 |
| 1986 | 21 | 0 |
| 1987 | 30 | 0 |
| 1988 | 35 | 0 |
| 1989 | 43 | 0 |
| 1990 | 46 | 0 |
| 1991 | 35 | 0 |
| 1992 | 39 | 0 |
| 1993 | 30 | 0 |
| 1994 | 30 | 0 |
| 1995 | 33 | 0 |
| 1996 | 25 | 0 |
| 1997 | 41 | 0 |
| 1998 | 38 | 0 |
| 1999 | 41 | 0 |
| 2000 | 40 | 0 |
| 2001 | 35 | 8 |
| 2002 | 44 | 56 |
| 2003 | 46 | 70 |
| 2004 | 41 | 94 |
| 2005 | 43 | 95 |
| 2006 | 56 | 81 |
| 2007 | 52 | 73 |
| 2008 | 43 | 60 |
| 2009 | 53 | 76 |
| 2010 | 60 | 86 |
| 2011 | 53 | 55 |
| 2012 | 49 | 55 |
| 2013 | 45 | 59 |
| 2014 | 46 | 74 |
| 2015 | 60 | 62 |
| 2016 | 65 | 56 |
| 2017 | 61 | 74 |
| 2018 | 39 | 52 |
| 2019 | 48 | 46 |
| 2020 | 32 | 57 |
| 2021 | 41 | 46 |
| 2022 | 41 | 73 |
| 2023 | 26 | 65 |
| 2024 | 43 | 55 |
| 2025 | 32 | 41 |
| 2026 | 20 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- NAMPT modulators29 Sep 2026US 12,747,203 B2Cytokinetics, Inc.
- TEAD inhibitors29 Sep 2026US 12,747,207 B2Orion Corporation
- Low toxicity NMP substitutes and uses thereof25 Aug 2026US 12,715,850 B2Advancion Corporation
- Ferroptosis inhibitors—diarylamine para-acetamides25 Aug 2026US 12,715,855 B2Sironax Ltd.
- Bioactive substance exhibiting antimalarial activity, and use for same14 Jul 2026US 12,679,805 B2Riken
- Globodera pallida control agent20 Aug 2026US 2026/0240154 A1National Agriculture and Food Research Organization
- Heterocycloalkyl beta-hydroxy alkyl amines for use in the treatment of hyperglycaemia and disorders characterised by hyperglycaemia20 Aug 2026US 2026/0242335 A1Atrogi AB
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Substituted pyrrolidone compound, preparation method therefor, composition and application thereof6 Aug 2026US 2026/0223850 A1Qingdao Kingagroot Chemical Compound Co., Ltd.
- Novel bicyclic-carboxamide compounds useful as pesticides23 Jul 2026US 2026/0206751 A1Syngenta Crop Protection AG
Most cited
By later US patents
- Novel vinyl carbonate and vinyl carbamate contact lens material monomers474US 5,070,215 ABausch & Lomb Incorporated · 1991
- Vinyl carbonate and vinyl carbamate contact lens material monomers193US 5,610,252 ABausch & Lomb Incorporated · 1997
- Sulfonamide inhibitors of aspartyl protease147US 5,585,397 AVertex Pharmaceuticals Incorporated · 1996
- Compounds and compositions for intracellular delivery of therapeutic agents143US 9,868,691 B2ModernaTX, Inc. · 2018
- Apparatus for manufacturing profile pipes used in well construction123US 5,119,661 A1992