C07D 213/55
Acids
Official title: Acids; Esters
C07D213/55 (Acids) appears on 697 US grants and 475 published applications in this corpus.
Search patents in C07D- Granted patents
- 697
- Published applications
- 475
- Assignees
- 384
- Inventors
- 2,095
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 12 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 25 | 0 |
| 1986 | 15 | 0 |
| 1987 | 13 | 0 |
| 1988 | 16 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 16 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 18 | 0 |
| 1996 | 13 | 0 |
| 1997 | 28 | 0 |
| 1998 | 24 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 18 | 4 |
| 2002 | 20 | 11 |
| 2003 | 15 | 31 |
| 2004 | 16 | 36 |
| 2005 | 15 | 20 |
| 2006 | 17 | 18 |
| 2007 | 16 | 27 |
| 2008 | 13 | 23 |
| 2009 | 16 | 19 |
| 2010 | 6 | 23 |
| 2011 | 16 | 17 |
| 2012 | 13 | 16 |
| 2013 | 20 | 22 |
| 2014 | 21 | 24 |
| 2015 | 19 | 20 |
| 2016 | 21 | 14 |
| 2017 | 16 | 18 |
| 2018 | 14 | 13 |
| 2019 | 10 | 12 |
| 2020 | 13 | 14 |
| 2021 | 10 | 13 |
| 2022 | 12 | 13 |
| 2023 | 7 | 24 |
| 2024 | 6 | 16 |
| 2025 | 12 | 17 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reagent for mass spectrometry29 Sep 2026US 12,748,116 B2Roche Diagnostics Operations, Inc.
- Tautomeric ligand enables biomimetic C—H hydroxylation with molecular oxygen22 Sep 2026US 12,741,937 B2The Scripps Research Institute
- Dihydrooxazole and thiourea derivatives modulating the NLRP3 inflammasome pathway12 May 2026US 12,624,010 B2AC Immune SA
- Ras inhibitors12 May 2026US 12,624,053 B2Revolution Medicines, Inc.
- Solid state forms of Resmetirom5 May 2026US 12,616,701 B2Assia Chemical Industries Ltd.
- Highly water soluble schiff base prodrugs of benzaldehyde allosteric modulators3 Sep 2026US 2026/0256752 A1Illexcor Holdings, LLC
- Intermolecular cyclopropanation of unsaturated hydrocarbons20 Aug 2026US 2026/0242327 A1The Penn State Research Foundation
- Solid state forms of resmetirom13 Aug 2026US 2026/0232680 A1Assia Chemical Industries Ltd.
- Gpr35 modulators30 Jul 2026US 2026/0216198 A1ThirtyFiveBio Limited
- Vanillin hydrazone compounds16 Jul 2026US 2026/0199266 A1Renovel Innovations, Inc.
Most cited
By later US patents
- Cyclic amides171US 5,698,579 ACelgene Corporation · 1997
- Cyclic amides169US 5,877,200 ACelgene Corporation · 1999
- Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities164US 5,877,207 AAllergan Sales, Inc. · 1999
- Method of identifying negative hormone and/or antagonist activities151US 5,776,699 AAllergan, Inc. · 1998
- Substituted pyridyl-dihydroxy-heptenoic acid and its salts148US 5,177,080 ABayer Aktiengesellschaft · 1993