C01B 17/164
Preparation by reduction of oxidic sulfur compounds
Official title: {Preparation by reduction of oxidic sulfur compounds}
C01B17/164 (Preparation by reduction of oxidic sulfur compounds) appears on 64 US grants and 27 published applications in this corpus.
Search patents in C01B- Granted patents
- 64
- Published applications
- 27
- Assignees
- 48
- Inventors
- 104
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 4 |
| 2010 | 3 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 4 | 3 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 3 | 3 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 4 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 3 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Desulfurization of carbon dioxide-containing gases14 Apr 2026US 12,599,868 B2Air Products and Chemicals, Inc.
- System and method of generating hydrogen gas24 Feb 2026US 12,559,401 B2Rtx Bbn Technologies, Inc.
- System and method of generating electricity in a body of water14 Oct 2025US 12,441,644 B2Rtx Bbn Technologies, Inc.
- System and method of separating oxygen from a body of water30 Sep 2025US 12,428,328 B2Rtx Bbn Technologies, Inc.
- Composite material and use thereof in desulfurization25 Feb 2025US 12,233,397 B2China Petroleum & Chemical Corporation
- Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same4 Dec 2025US 2025/0367600 A1Cabot Corporation
- Desulfurization of Carbon Dioxide-containing Gases4 Jan 2024US 2024/0001288 A1Air Products and Chemicals, Inc.
- Composite material and use thereof in desulfurization18 May 2023US 2023/0149892 A1China Petroleum & Chemical Corporation
- System and Method of Generating Hydrogen Gas23 Jun 2022US 2022/0194786 A1Raytheon BBN Technologies Corp.
- System and Method of Separating Oxygen from A Body of Water23 Jun 2022US 2022/0194833 A1Raytheon BBN Technologies Corp.
Most cited
By later US patents
- Removal of carbon monoxide and sulfur oxides from refinery flue gases57US 4,146,463 AStandard Oil Company (Indiana) · 1979
- Process for the removal and recovery of heavy metals from aqueous solutions42US 4,522,723 AKerr-McGee Corporation · 1985
- Method of producing sulfur from sulfur dioxide29US 4,029,752 AExxon Research & Engineering Co. · 1977
- Biological treatment of water28US 4,839,052 ACouncil for Scientific and Industrial Research · 1989
- Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor21US 8,668,894 B2China Petroleum & Chemical Corporation · 2014