C07C 1/12
From carbon dioxide with hydrogen
Official title: from carbon dioxide with hydrogen
C07C1/12 (From carbon dioxide with hydrogen) appears on 279 US grants and 453 published applications in this corpus.
Search patents in C07C- Granted patents
- 279
- Published applications
- 453
- Assignees
- 288
- Inventors
- 1,147
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 2 | 8 |
| 2013 | 2 | 9 |
| 2014 | 6 | 14 |
| 2015 | 11 | 19 |
| 2016 | 18 | 25 |
| 2017 | 19 | 20 |
| 2018 | 15 | 23 |
| 2019 | 19 | 21 |
| 2020 | 14 | 24 |
| 2021 | 25 | 29 |
| 2022 | 15 | 36 |
| 2023 | 32 | 51 |
| 2024 | 26 | 49 |
| 2025 | 23 | 65 |
| 2026 | 24 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing nanostructured iron-based catalysts for converting syngas to light olefins6 Oct 2026US 12,752,262 B2Agency for Science, Technology and Research
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof15 Sep 2026US 12,734,508 B1United Arab Emirates University
- Carbon dioxide separation, collection, and utilization system and carbon dioxide separation, collection, and utilization method15 Sep 2026US 12,735,370 B2Research Institute of Innovative Technology for the Earth
- Carbon dioxide recovery system25 Aug 2026US 12,714,967 B2Mitsubishi Heavy Industries, Ltd.
- Catalyst for exothermal reactions25 Aug 2026US 12,715,823 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Catalyst for methane reforming and manufacturing method thereof1 Oct 2026US 2026/0295566 A1Hanwha Solutions Corporation
- Polyethylene terephthalate produced from used tires1 Oct 2026US 2026/0297247 A1
- Polyamides produced from used tires1 Oct 2026US 2026/0297256 A1
- Synthesis of zinc / titanium monolithic photocatalysts and applications thereof24 Sep 2026US 2026/0284642 A1United Arab Emirates University
- Coupled supercritical fluid - carbon capture apparatus and method of use thereof24 Sep 2026US 2026/0285782 A1
Most cited
By later US patents
- Process and System for producing synthetic liquid hydrocarbon fuels60US 7,420,004 B2The United States of America as represented by the Secretary of the Navy · 2008
- Air collector with functionalized ion exchange membrane for capturing ambient CO258US 7,993,432 B2Kilimanjaro Energy, Inc. · 2011
- 3-dimensional NOR string arrays in segmented stacks47US 10,692,874 B2Sunrise Memory Corporation · 2020
- Efficient oxidative coupling of methane processes and systems46US 9,334,204 B1Siluria Technologies, Inc. · 2016
- Oxidative coupling of methane implementations for olefin production42US 9,352,295 B2Siluria Technologies, Inc. · 2016