C01B 17/0408
Pretreatment of the hydrogen sulfide containing gases
Official title: {Pretreatment of the hydrogen sulfide containing gases}
C01B17/0408 (Pretreatment of the hydrogen sulfide containing gases) appears on 129 US grants and 103 published applications in this corpus.
Search patents in C01B- Granted patents
- 129
- Published applications
- 103
- Assignees
- 75
- Inventors
- 310
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 5 |
| 2007 | 4 | 1 |
| 2008 | 1 | 4 |
| 2009 | 3 | 9 |
| 2010 | 6 | 5 |
| 2011 | 6 | 6 |
| 2012 | 3 | 16 |
| 2013 | 10 | 6 |
| 2014 | 11 | 4 |
| 2015 | 4 | 10 |
| 2016 | 4 | 3 |
| 2017 | 5 | 7 |
| 2018 | 7 | 2 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 4 |
| 2022 | 5 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generating power from recycled hydrocarbon gas7 Apr 2026US 12,597,623 B2Saudi Arabian Oil Company
- Adsorption-based Claus tail gas treatment2 Apr 2024US 11,945,716 B2Saudi Arabian Oil Company
- Method for producing package including hydrogen sulfide sustained release agent, hydrogen sulfide sustained release agent, hydrogen sulfide sustained release composite, and method for generating hydrogen sulfide using same19 Mar 2024US 11,932,479 B2National Institute for Materials Science
- Systems, methods and materials for hydrogen sulfide conversion28 Nov 2023US 11,826,700 B2Ohio State Innovation Foundation
- Process for managing hydrogen sulfide in a refinery25 Jul 2023US 11,708,267 B2Uop LLC
- Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same4 Dec 2025US 2025/0367600 A1Cabot Corporation
- Coupling Claus Process with Carbon Dioxide Capture Using Gas Hydrate24 Jul 2025US 2025/0236520 A1Saudi Arabian Oil Company
- Simultaneous h2 production and co2 capture from acid gas stream10 Jul 2025US 2025/0222396 A1Saudi Arabian Oil Company
- Producing hydrogen from hydrogen sulfide20 Mar 2025US 2025/0091864 A1Saudi Arabian Oil Company
- Partial oxidation sulfur technology (post)11 Jul 2024US 2024/0228271 A9Saudi Arabian Oil Company
Most cited
By later US patents
- Methods and configurations for acid gas enrichment156US 7,635,408 B2Fluor Technologies Corporation · 2009
- Method and apparatus for treating a sour gas146US 8,206,669 B2Air Products and Chemicals, Inc. · 2012
- Process for recovering sulfur from fuel gases containing hydrogen sulfide, carbon dioxide, and carbonyl sulfide97US 3,989,811 AShell Oil Company · 1976
- Configurations and methods for claus plant operation with variable sulfur content70US 7,879,135 B2Fluor Technologies Corporation · 2011
- Integrated method of charge fuel pretreatment and tail gas sulfur removal in a partial oxidation process68US 4,781,731 ATexaco Inc. · 1988