C07D 207/40
2,5-pyrrolidine-diones
Official title: 2,5-Pyrrolidine-diones
C07D207/40 (2,5-pyrrolidine-diones) appears on 1,023 US grants and 757 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,023
- Published applications
- 757
- Assignees
- 535
- Inventors
- 2,626
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 18 | 0 |
| 1978 | 18 | 0 |
| 1979 | 20 | 0 |
| 1980 | 15 | 0 |
| 1981 | 18 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 18 | 0 |
| 1985 | 13 | 0 |
| 1986 | 16 | 0 |
| 1987 | 19 | 0 |
| 1988 | 15 | 0 |
| 1989 | 17 | 0 |
| 1990 | 20 | 0 |
| 1991 | 20 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 20 | 0 |
| 1995 | 18 | 0 |
| 1996 | 15 | 0 |
| 1997 | 25 | 0 |
| 1998 | 25 | 0 |
| 1999 | 30 | 0 |
| 2000 | 21 | 0 |
| 2001 | 18 | 3 |
| 2002 | 31 | 24 |
| 2003 | 27 | 29 |
| 2004 | 20 | 44 |
| 2005 | 21 | 42 |
| 2006 | 17 | 29 |
| 2007 | 31 | 36 |
| 2008 | 20 | 40 |
| 2009 | 17 | 34 |
| 2010 | 27 | 46 |
| 2011 | 30 | 29 |
| 2012 | 25 | 26 |
| 2013 | 30 | 39 |
| 2014 | 28 | 36 |
| 2015 | 28 | 29 |
| 2016 | 30 | 35 |
| 2017 | 21 | 19 |
| 2018 | 18 | 28 |
| 2019 | 31 | 29 |
| 2020 | 22 | 33 |
| 2021 | 19 | 26 |
| 2022 | 21 | 25 |
| 2023 | 20 | 26 |
| 2024 | 13 | 19 |
| 2025 | 13 | 20 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low toxicity NMP substitutes and uses thereof25 Aug 2026US 12,715,850 B2Advancion Corporation
- Linker, antibody-drug conjugate including same and use thereof30 Jun 2026US 12,668,573 B2Zhejiang Yangshengtang Institute of Natural Medication Co., Ltd
- Histone deacetylase inhibitors26 May 2026US 12,637,433 B2The University of Queensland
- Method for producing derivative of organic substance and method for analyzing sample containing organic substance7 Apr 2026US 12,595,229 B2Ajinomoto Co., Inc.
- Imide-linked polymeric photoinitiators7 Apr 2026US 12,595,327 B2Arkema France
- Compound, curable resin composition and cured product thereof3 Sep 2026US 2026/0258222 A1Nippon Kayaku Kabushiki Kaisha
- Alkenyl succinimide compounds and their use27 Aug 2026US 2026/0250245 A1Vertellus Holdings LLC
- Amine hydrochloride having maleimide group, and method for producing same6 Aug 2026US 2026/0226004 A1Nof Corporation
- Method for producing derivative of organic substance and method for analyzing sample containing organic substance16 Jul 2026US 2026/0200843 A1Ajinomoto Co., Inc.
- N-phenyl-3-(2,5-dioxopyrrolidin-1-yl)propanamide derivatives and similar compounds as dux4 inhibitors for the treatment of e.g. neuromuscular disorders25 Jun 2026US 2026/0176256 A1Altay Therapeutics, Inc.
Most cited
By later US patents
- Novel vinyl carbonate and vinyl carbamate contact lens material monomers474US 5,070,215 ABausch & Lomb Incorporated · 1991
- Reagent for detecting an analyte468US 7,892,748 B2Precisense A/S · 2011
- Reagent for detecting an analyte465US 8,318,443 B2Medtronic MiniMed, Inc. · 2012
- Preparation of an activated polymer ester for protein conjugation269US 5,281,698 ACetus Oncology Corporation · 1994
- Nitrogen containing heteroaromatics as factor Xa inhibitors211US 6,020,357 ADuPont Pharmaceuticals Company · 2000