C07C 57/145
Maleic acid
C07C57/145 (Maleic acid) appears on 195 US grants and 272 published applications in this corpus.
Search patents in C07C- Granted patents
- 195
- Published applications
- 272
- Assignees
- 191
- Inventors
- 839
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 3 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 6 |
| 2011 | 4 | 8 |
| 2012 | 5 | 13 |
| 2013 | 9 | 15 |
| 2014 | 9 | 8 |
| 2015 | 12 | 12 |
| 2016 | 9 | 19 |
| 2017 | 16 | 18 |
| 2018 | 14 | 22 |
| 2019 | 14 | 15 |
| 2020 | 15 | 14 |
| 2021 | 7 | 14 |
| 2022 | 10 | 11 |
| 2023 | 7 | 22 |
| 2024 | 7 | 24 |
| 2025 | 12 | 21 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Salt form and crystal form of pyrazole substituted imidazo[1,2-a]quinoxaline derivative9 Jun 2026US 12,649,747 B2Ocumension Therapeutics (Suzhou) Co., Ltd.
- Salt of arylaminoquinazoline-containing compound, and preparation method therefor and use thereof26 May 2026US 12,637,434 B2Cspc Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd.
- Salts of nitrogen-containing heterocyclic compound, and solid forms of salts, pharmaceutical composition and use thereof26 May 2026US 12,637,470 B2Wuhan Humanwell Innovative Drug Research and Development Center Limited Company
- Combination product comprising dicycloplatin and preparation method and use thereof26 May 2026US 12,637,487 B2Medoncare Pharmaceutical Co., Ltd.
- Salts and crystal forms of omecamtiv mecarbil28 Apr 2026US 12,612,366 B2Amgen Inc.
- Crystalline methionine adenosyltransferase 2a (mat2a) inhibitor and uses thereof24 Sep 2026US 2026/0285830 A1Insilico Medicine IP Limited
- Solid form of pyrrolidone derivative as glucokinase activator24 Sep 2026US 2026/0285835 A1Hua Medicine (Shanghai) Ltd.
- Salt and solid forms of a cdk inhibitor17 Sep 2026US 2026/0274843 A1Genentech, Inc.
- Pharmaceutically acceptable salt and crystal form of 1,4-dihydro-1,6-naphthyridine amide compound and preparation method therefor10 Sep 2026US 2026/0265249 A1Jiangsu Hengrui Pharmaceuticals Co., Ltd.
- Psilocybin analogs, salts, compositions, and methods of use27 Aug 2026US 2026/0250246 A1Cybin IRL Limited
Most cited
By later US patents
- Crystalline forms of a purine derivative99US 8,889,861 B2Cyclacel Limited · 2014
- Toll like receptor modulator compounds60US 9,670,205 B2Gilead Sciences, Inc. · 2017
- Substituted 5-fluoro-1H-pyrazolopyridines and their use48US 8,420,656 B2Bayer Intellectual Property GmbH · 2013
- 2-Imidazolines and their use as hypoglycemic agents33US 3,992,403 ASchering Corporation · 1976
- Method for production of ultra-fine gold particle-immobilized oxides30US 5,051,394 AAgency of Industrial Science and Technology · 1991