C07C 29/147
Of carboxylic acids or derivatives thereof
Official title: of carboxylic acids or derivatives thereof
C07C29/147 (Of carboxylic acids or derivatives thereof) appears on 1,206 US grants and 914 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,206
- Published applications
- 914
- Assignees
- 436
- Inventors
- 2,208
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 7 | 0 |
| 1978 | 24 | 0 |
| 1979 | 24 | 0 |
| 1980 | 28 | 0 |
| 1981 | 23 | 0 |
| 1982 | 33 | 0 |
| 1983 | 19 | 0 |
| 1984 | 31 | 0 |
| 1985 | 22 | 0 |
| 1986 | 20 | 0 |
| 1987 | 11 | 0 |
| 1988 | 13 | 0 |
| 1989 | 21 | 0 |
| 1990 | 13 | 0 |
| 1991 | 19 | 0 |
| 1992 | 13 | 0 |
| 1993 | 20 | 0 |
| 1994 | 12 | 0 |
| 1995 | 22 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 12 | 0 |
| 2001 | 24 | 5 |
| 2002 | 19 | 9 |
| 2003 | 16 | 26 |
| 2004 | 11 | 9 |
| 2005 | 9 | 11 |
| 2006 | 13 | 18 |
| 2007 | 12 | 16 |
| 2008 | 12 | 19 |
| 2009 | 14 | 23 |
| 2010 | 20 | 40 |
| 2011 | 23 | 66 |
| 2012 | 37 | 91 |
| 2013 | 71 | 154 |
| 2014 | 104 | 67 |
| 2015 | 100 | 59 |
| 2016 | 43 | 47 |
| 2017 | 37 | 44 |
| 2018 | 36 | 35 |
| 2019 | 36 | 31 |
| 2020 | 34 | 28 |
| 2021 | 12 | 22 |
| 2022 | 21 | 20 |
| 2023 | 14 | 21 |
| 2024 | 13 | 24 |
| 2025 | 9 | 17 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for hydrogenation of a glycerol ester15 Sep 2026US 12,735,375 B2Johnson Matthey Public Limited Company
- Process of making organic compounds1 Sep 2026US 12,723,012 B2Givaudan SA
- Method for preparing bio-based 1,4-butanediol1 Sep 2026US 12,723,013 B2Zhejiang Boju New Materials Co., Ltd.
- Bifunctional catalyst and method of use for hydrogenation of carbon dioxide to hydrocarbons4 Aug 2026US 12,698,446 B2UT-Battelle, LLC
- Reduction by a silane in the presence of Zinc catalyst28 Jul 2026US 12,692,213 B2Firmenich SA
- Shaped catalyst body27 Aug 2026US 2026/0249277 A1BASF SE
- Method for producing very-long-chain polyunsaturated fatty acid27 Aug 2026US 2026/0250228 A1Nissui Corporation
- Hydrogenation catalyst30 Jul 2026US 2026/0216701 A1Hanwha Solutions Corporation
- Heterogeneous bimetallic catalyst, method for producing same and use of same23 Jul 2026US 2026/0208165 A1Fairbrics
- Catalyst for simultaneous conversion reaction of sugar to alcohol and acid and method for simultaneously producing alcohol and acid from sugar by using same16 Jul 2026US 2026/0199878 A1Korea Research Institute of Chemical Technology
Most cited
By later US patents
- Process for producing ethanol284US 6,509,180 B1ZeaChem, Inc. · 2003
- 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
- Process for producing ethanol226US 6,927,048 B2Zea Chem, Inc. · 2005
- Hydrogenation of carboxylic acids203US 4,398,039 AThe Standard Oil Company · 1983
- Process for producing ethanol from corn dry milling194US 7,507,562 B2ZeaChem, Inc. · 2009