C07C 29/177
With simultaneous reduction of a carboxy group
Official title: {with simultaneous reduction of a carboxy group}
C07C29/177 (With simultaneous reduction of a carboxy group) appears on 73 US grants and 47 published applications in this corpus.
Search patents in C07C- Granted patents
- 73
- Published applications
- 47
- Assignees
- 42
- Inventors
- 226
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 3 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 6 |
| 2014 | 2 | 1 |
| 2015 | 5 | 4 |
| 2016 | 0 | 3 |
| 2017 | 1 | 3 |
| 2018 | 0 | 3 |
| 2019 | 5 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 3 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Oxygenated hydrocarbon production system with acidic impurity removal resin column16 Dec 2025US 12,497,372 B2SipChem Sahara International Petrochemical Company JSC
- Method for direct hydrogenation of maleic anhydride to produce 1,4-butanediol and co-produce succinic anhydride27 May 2025US 12,312,321 B2Changzhou Ruihua Chemical Engineering Techonology Co. , Ltd.
- Highly active and highly selective copper extrudate catalysts12 Nov 2024US 12,138,620 B2BASF SE
- Use of a transition metal catalyst comprising a tetradentate ligand for hydrogenation of esters and/or formation of esters, a process for hydrogenation of esters, a process for formation of esters and a transition metal complex comprising said tetradentate ligand16 Aug 2022US 11,413,610 B2BASF SE
- Continuous preparation of an optically active carbonyl compound by asymmetric hydrogenation8 Feb 2022US 11,242,306 B2BASF SE
- Highly active and highly selective copper extrudate catalysts23 Jan 2025US 2025/0025861 A1BASF SE
- Oxygenated hydrocarbon production system with acidic impurity removal resin column26 Sep 2024US 2024/0317697 A1SipChem Sahara International Petrochemical Company JSC
- A method for direct hydrogenation of maleic anhydride to produce 1,4-butanediol and co-produce succinic anhydride27 Jun 2024US 2024/0208918 A1Changzhou Ruihua Chemical Engineering Techonology Co. , Ltd.
- Process for the preparation of a chiral triol18 Jan 2024US 2024/0018076 A1Genentech, Inc.
- Highly active and highly selective copper extrudate catalysts27 Jan 2022US 2022/0023843 A1BASF SE
Most cited
By later US patents
- Platinum group metal alloy catalysts for hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters247US 5,149,680 AThe British Petroleum Company p.l.c. · 1992
- Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters184US 4,985,572 ABP Chemicals Limited · 1991
- Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts157US 6,906,228 B2BASF SE · 2005
- Process for producing alcohol113US 5,233,099 AKao Corporation · 1993
- Process for making tetrahydrofuran and 1,4-butanediol using Pd/Re hydrogenation catalyst106US 4,550,185 AE. I. Du Pont de Nemours and Company · 1985