C07C 45/455
With carboxylic acids or their derivatives
Official title: {with carboxylic acids or their derivatives}
C07C45/455 (With carboxylic acids or their derivatives) appears on 339 US grants and 120 published applications in this corpus.
Search patents in C07C- Granted patents
- 339
- Published applications
- 120
- Assignees
- 182
- Inventors
- 632
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 17 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 5 |
| 2003 | 5 | 4 |
| 2004 | 2 | 3 |
| 2005 | 5 | 7 |
| 2006 | 6 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 3 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 4 | 3 |
| 2014 | 5 | 13 |
| 2015 | 9 | 8 |
| 2016 | 8 | 9 |
| 2017 | 11 | 5 |
| 2018 | 4 | 5 |
| 2019 | 3 | 5 |
| 2020 | 3 | 9 |
| 2021 | 5 | 6 |
| 2022 | 4 | 5 |
| 2023 | 3 | 7 |
| 2024 | 2 | 7 |
| 2025 | 2 | 0 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synthetic pathway to belzutifan18 Aug 2026US 12,709,595 B2Merck Sharp & Dohme Corp.
- Benzaldehyde oximes and method for producing same19 May 2026US 12,630,499 B2Bayer Aktiengesellschaft
- Production of 2,2,4,4-tetramethylcyclobutane-1,3-diol from isobutanol using a homogeneous catalyst17 Mar 2026US 12,577,184 B2Eastman Chemical Company
- Compounds, compositions, methods of using, and methods for preparing compounds5 Aug 2025US 12,377,069 B2The Institute for Stem Cell Biology and Regenerative Medicine (Instem)
- Process for synthesis of a 2-(5-isoxazolyl)-phenol6 May 2025US 12,291,525 B2FMC Corporation
- Benzaldehyde oximes and method for producing same3 Sep 2026US 2026/0257988 A1Bayer Aktiengesellschaft
- Compounds, compositions, methods of using, and methods for preparing compounds2 Jul 2026US 2026/0183260 A1The Institute for Stem Cell Biology and Regenerative Medicine (Instem)
- Methods of Synthesizing Corticiolic Acid16 Apr 2026US 2026/0103435 A1Amrita Vishwa Vidyapeetham
- An improved process for the preparation of n-ethyl- a -methyl-3-(trifluoromethyl) phenethylamine hydrochloride17 Oct 2024US 2024/0343675 A1Biophore India Pharmaceuticals PVT. Ltd.
- Process for preparing acyl derivatives17 Oct 2024US 2024/0343680 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Process for producing 4-trifluoromethylnicotinic acid129US 5,708,175 AIshihara Sangyo Kaisha, Ltd. · 1998
- Antifertility compounds114US 4,230,862 AEli Lilly and Company · 1980
- 4-(1,1-Dimethylethyl)-4'-methoxydibenzoylmethane112US 4,387,089 AGivaudan SA · 1983
- Liquid crystalline cyclohexane derivatives95US 4,130,502 AMerck Patent Gesellschaft mit · 1978
- U.V. Absorbing cosmetic compositions68US 4,489,057 AMerck Patent Gesellschaft mit beschraenkter Haftung · 1984