C07C 29/151
With hydrogen or hydrogen-containing gases
Official title: with hydrogen or hydrogen-containing gases
C07C29/151 (With hydrogen or hydrogen-containing gases) appears on 1,487 US grants and 1,432 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,487
- Published applications
- 1,432
- Assignees
- 639
- Inventors
- 2,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 7 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 30 | 0 |
| 1981 | 19 | 0 |
| 1982 | 28 | 0 |
| 1983 | 23 | 0 |
| 1984 | 35 | 0 |
| 1985 | 31 | 0 |
| 1986 | 44 | 0 |
| 1987 | 24 | 0 |
| 1988 | 32 | 0 |
| 1989 | 19 | 0 |
| 1990 | 26 | 0 |
| 1991 | 22 | 0 |
| 1992 | 15 | 0 |
| 1993 | 18 | 0 |
| 1994 | 8 | 0 |
| 1995 | 15 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 17 | 0 |
| 2001 | 15 | 1 |
| 2002 | 18 | 17 |
| 2003 | 14 | 22 |
| 2004 | 19 | 22 |
| 2005 | 15 | 17 |
| 2006 | 13 | 12 |
| 2007 | 16 | 41 |
| 2008 | 14 | 25 |
| 2009 | 15 | 41 |
| 2010 | 28 | 61 |
| 2011 | 23 | 56 |
| 2012 | 34 | 49 |
| 2013 | 49 | 54 |
| 2014 | 49 | 94 |
| 2015 | 75 | 61 |
| 2016 | 61 | 72 |
| 2017 | 60 | 69 |
| 2018 | 51 | 44 |
| 2019 | 50 | 49 |
| 2020 | 60 | 68 |
| 2021 | 53 | 77 |
| 2022 | 40 | 114 |
| 2023 | 56 | 90 |
| 2024 | 55 | 93 |
| 2025 | 64 | 101 |
| 2026 | 42 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Electrochemical co-production of hydrogen and carbon monoxide6 Oct 2026US 12,753,519 B2Utility Global, Inc.
- Plasma carbon sequestration system and method25 Aug 2026US 12,715,824 B2Xi' An Jiaotong University
- Green methanol production25 Aug 2026US 12,715,827 B2ZoneFlow Reactor Technologies, LLC
- Cellulose ester compositions derived from recycled Cellulose ester content syngas25 Aug 2026US 12,715,938 B2Eastman Chemical Company
- Complex oxide, catalyst for methanol production and method for producing complex oxide8 Oct 2026US 2026/0307058 A1Honda Motor Co., Ltd.
- Copper-based catalyst, preparation method therefor, and use thereof8 Oct 2026US 2026/0307059 A1Zhejiang Geely Holding Group Co., Ltd.
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Syngas production from waste materials1 Oct 2026US 2026/0297000 A1SemperCycle ApS
- Process for the production of caboxylic acids and carbonyl compounds by utilizing carbon dioxide-rich feedstock1 Oct 2026US 2026/0297010 A1
Most cited
By later US patents
- Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizer325US 4,772,634 AEnergy Research Corporation · 1988
- Methanol from coal and natural gas294US 4,407,973 AThe M. W. Kellogg Company · 1983
- Process for producing methanol292US 4,277,416 AAminoil, USA, Inc. · 1981
- Medium-load power-generating plant with integrated coal gasification plant287US 4,608,818 AKraftwerk Union Aktiengesellschaft · 1986
- Method of producing methanol synthesis gas283US 4,994,093 AKrupp-Koppers GmbH · 1991