B01D 2257/308
Carbonoxysulfide cos
Official title: Carbonoxysulfide COS
B01D2257/308 (Carbonoxysulfide cos) appears on 330 US grants and 425 published applications in this corpus.
Search patents in B01D- Granted patents
- 330
- Published applications
- 425
- Assignees
- 169
- Inventors
- 883
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 6 |
| 2005 | 0 | 5 |
| 2006 | 1 | 11 |
| 2007 | 2 | 8 |
| 2008 | 8 | 12 |
| 2009 | 6 | 18 |
| 2010 | 13 | 37 |
| 2011 | 14 | 28 |
| 2012 | 16 | 36 |
| 2013 | 41 | 26 |
| 2014 | 23 | 25 |
| 2015 | 19 | 16 |
| 2016 | 14 | 34 |
| 2017 | 21 | 25 |
| 2018 | 24 | 30 |
| 2019 | 33 | 25 |
| 2020 | 18 | 13 |
| 2021 | 11 | 14 |
| 2022 | 13 | 12 |
| 2023 | 15 | 9 |
| 2024 | 6 | 12 |
| 2025 | 10 | 12 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes and systems for upgrading a hydrocarbon25 Aug 2026US 12,716,038 B2ExxonMobil Chemical Patents Inc.
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Formulations and methods to remove non-acidic sulfur compounds from gas streams26 May 2026US 12,637,627 B2Baker Hughes Oilfield Operations LLC
- Systems and processes of eliminating start-up flaring in a gas plant17 Mar 2026US 12,578,740 B2Saudi Arabian Oil Company
- Treatment of acid gases using molten alkali metal borates, and associated methods of separation24 Feb 2026US 12,558,651 B2Massachusetts Institute of Technology
- Process for removing sulfur containing compounds from gas containing at least one sulfur containing compound10 Sep 2026US 2026/0264009 A1Sulzer Management AG
- Sulfur detector and fuel processing system including the same10 Sep 2026US 2026/0266786 A1Bloom Energy Corporation
- Catalyst-Sorbent Hybrid Process for Organic Sulfur Removal27 Aug 2026US 2026/0249267 A1TDA Research, Inc.
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- Regenerable solvent mixtures for acid-gas separation8 Jan 2026US 2026/0007998 A1Research Triangle Institute
Most cited
By later US patents
- Process for production of elemental iron82US 7,931,731 B2Shell Oil Company · 2011
- Functionalized ionic liquids, and methods of use thereof64US 7,208,605 B2University of South Alabama · 2007
- Amine absorber for carbon dioxide capture and processes for making and using the same58US 8,377,173 B2The University of Akron · 2013
- Production of low sulfur syngas from natural gas with C4+/C5+ hydrocarbon recovery54US 6,692,711 B1ExxonMobil Research and Engineering Company · 2004
- Process for the removal of HCN from gas mixtures50US 5,660,807 AHuls Aktiengesellschaft · 1997