C07C 29/149
With hydrogen or hydrogen-containing gases
Official title: with hydrogen or hydrogen-containing gases
C07C29/149 (With hydrogen or hydrogen-containing gases) appears on 825 US grants and 716 published applications in this corpus.
Search patents in C07C- Granted patents
- 825
- Published applications
- 716
- Assignees
- 266
- Inventors
- 1,441
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 15 | 0 |
| 1990 | 11 | 0 |
| 1991 | 15 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 7 | 0 |
| 1995 | 21 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 19 | 1 |
| 2002 | 14 | 6 |
| 2003 | 9 | 17 |
| 2004 | 7 | 7 |
| 2005 | 7 | 9 |
| 2006 | 11 | 12 |
| 2007 | 10 | 13 |
| 2008 | 8 | 15 |
| 2009 | 13 | 17 |
| 2010 | 18 | 34 |
| 2011 | 16 | 55 |
| 2012 | 29 | 82 |
| 2013 | 65 | 142 |
| 2014 | 100 | 58 |
| 2015 | 87 | 43 |
| 2016 | 35 | 35 |
| 2017 | 26 | 33 |
| 2018 | 28 | 23 |
| 2019 | 21 | 20 |
| 2020 | 23 | 24 |
| 2021 | 10 | 13 |
| 2022 | 13 | 9 |
| 2023 | 7 | 14 |
| 2024 | 9 | 15 |
| 2025 | 4 | 9 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for hydrogenation of a glycerol ester15 Sep 2026US 12,735,375 B2Johnson Matthey Public Limited Company
- Bifunctional catalyst and method of use for hydrogenation of carbon dioxide to hydrocarbons4 Aug 2026US 12,698,446 B2UT-Battelle, LLC
- Method for preparation of 1, 4-cyclohexanedimethanol23 Jun 2026US 12,662,439 B2Hanwha Solutions Corporation
- Separation process for the production of C5 or C6 alkanediol26 May 2026US 12,637,401 B2Johnson Matthey Davy Technologies Limited
- Chrome-free copper catalysts for fatty ester hydrogenolysis/hydrogenation5 May 2026US 12,616,963 B2BASF SE
- Shaped catalyst body27 Aug 2026US 2026/0249277 A1BASF SE
- 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
- Methoxypyridyl ligands and use thereof in alkoxycarbonylation18 Jun 2026US 2026/0166539 A1Evonik Oxeno GmbH
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