C01B 32/72
Carbon disulfide
C01B32/72 (Carbon disulfide) appears on 25 US grants and 24 published applications in this corpus.
Search patents in C01B- Granted patents
- 25
- Published applications
- 24
- Assignees
- 22
- Inventors
- 78
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 3 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for low-cost methane upgrading to added-valuable products22 Oct 2024US 12,122,731 B2Qatar Foundation for Education, Science and Community Development
- Method for preparing methyl mercaptan31 Aug 2021US 11,104,642 B2Arkema France
- Organic sulfur material and method for producing same2 Feb 2021US 10,906,869 B2National Institute of Advanced Industrial Science and Technology
- Carbon sulfur material and method for producing same14 Jul 2020US 10,710,960 B2National Institute of Advanced Industrial Science and Technology
- Method for preparing methyl mercaptan23 Jun 2020US 10,689,334 B2Arkema France
- Plasma-catalytic reforming of methane and hydrogen sulfide into hydrogen and poly carbon subsulfide using non-thermal plasma and supported nanocatalysts23 Apr 2026US 2026/0109599 A1Gerad Tech.
- Methods and systems for generating carbon disulfide5 Mar 2026US 2026/0062302 A1Chevron U.S.A.Inc.
- Method of producing recycled material15 Jan 2026US 2026/0015242 A1Toyota Jidosha Kabushiki Kaisha
- Optimized natural gas/sales gas/sour gas reforming employing a novel catalytic process at the industrial scale31 Jul 2025US 2025/0243056 A1Aramco Services Company
- Chemical Production Inside a Well Tubular/Casing19 Jun 2025US 2025/0197204 A1Baker Hughes Oilfield Operations LLC
Most cited
By later US patents
- Process for the manufacture of carbon disulphide and use of a liquid stream comprising carbon disulphide for enhanced oil recovery75US 8,097,230 B2Shell Oil Company · 2012
- Process for the manufacture of carbon disulphide73US 7,763,227 B2Shell Oil Company · 2010
- Systems and methods for producing oil and/or gas70US 7,426,959 B2Shell Oil Company · 2008
- Methods and apparatus for sulfur recovery from acid gases41US 8,444,943 B2Black & Veatch Corporation · 2013
- High temperature chemical reaction processes utilizing fluid-wall reactors21US 4,095,974 AThagard Technology Company · 1978