C07C 45/41
Preparation of compounds having >c = o groups bound only to carbon
Official title: by hydrogenolysis or reduction of carboxylic groups or functional derivatives thereof
C07C45/41 (Preparation of compounds having >c = o groups bound only to carbon) appears on 243 US grants and 132 published applications in this corpus.
Search patents in C07C- Granted patents
- 243
- Published applications
- 132
- Assignees
- 142
- Inventors
- 549
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 14 | 0 |
| 1981 | 9 | 0 |
| 1982 | 11 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 5 | 8 |
| 2004 | 4 | 8 |
| 2005 | 1 | 3 |
| 2006 | 4 | 2 |
| 2007 | 2 | 1 |
| 2008 | 3 | 5 |
| 2009 | 4 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 7 |
| 2012 | 2 | 5 |
| 2013 | 7 | 5 |
| 2014 | 6 | 13 |
| 2015 | 10 | 7 |
| 2016 | 5 | 9 |
| 2017 | 6 | 4 |
| 2018 | 2 | 4 |
| 2019 | 4 | 4 |
| 2020 | 3 | 6 |
| 2021 | 11 | 11 |
| 2022 | 4 | 6 |
| 2023 | 5 | 4 |
| 2024 | 3 | 4 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of preparing triterpenoid compound5 May 2026US 12,617,746 B2National Taiwan University
- Fuels and methods of making the same28 Oct 2025US 12,454,497 B2Alliance for Sustainable Energy, LLC
- Sandalwood-type fragrance compounds9 Sep 2025US 12,410,113 B2Symrise AG
- Processes for preparation of dapagliflozin or its solvates or co-crystals thereof27 Aug 2024US 12,071,418 B2Laurus Labs Limited
- Flexible integrated production plant system and method16 Apr 2024US 11,959,034 B2Neste Oyj
- Catalyst and associated reaction process for the production of waxes6 Aug 2026US 2026/0225076 A1Petroliam Nasional Berhad (Petronas)
- Preparation method for intermediate compound acting as synthetic posaconazole, and intermediate compound prepared thereby29 Jan 2026US 2026/0028322 A1Zhejiang Ausun Pharmaceutical Co., Ltd.
- Processes for the Production of Vanillin and Related Compounds28 Aug 2025US 2025/0270160 A1Univerza v Ljubljani
- Selective partial reduction of esters using group iv transition metal catalysts and uses thereof27 Mar 2025US 2025/0100984 A1Baylor University
- Treated Soybean Oil14 Nov 2024US 2024/0373871 A1General Mills, Inc.
Most cited
By later US patents
- Method for producing acetaldehyde from acetic acid128US 6,121,498 AEastman Chemical Company · 2000
- Substituted morpholine derivatives and compositions83US 4,229,449 AFarmitalia Carlo Erba S.p.A. · 1980
- Process for producing aromatic aldehydes74US 4,613,700 AMitsubishi Chemical Industries Limited · 1986
- Process for the synthesis of aldehydes and their derivatives and catalyst for use thereof71US 5,476,827 ARhone-Poulenc Chimie · 1995
- Method for producing an aldehyde70US 5,306,845 AMitsubishi Kasei Corporation · 1994