B01D 53/526
Mixtures of hydrogen sulfide and carbon dioxide
Official title: {Mixtures of hydrogen sulfide and carbon dioxide}
B01D53/526 (Mixtures of hydrogen sulfide and carbon dioxide) appears on 161 US grants and 164 published applications in this corpus.
Search patents in B01D- Granted patents
- 161
- Published applications
- 164
- Assignees
- 116
- Inventors
- 465
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 7 |
| 2011 | 3 | 6 |
| 2012 | 3 | 15 |
| 2013 | 5 | 4 |
| 2014 | 10 | 8 |
| 2015 | 5 | 13 |
| 2016 | 7 | 6 |
| 2017 | 6 | 6 |
| 2018 | 6 | 3 |
| 2019 | 8 | 6 |
| 2020 | 6 | 8 |
| 2021 | 8 | 18 |
| 2022 | 6 | 7 |
| 2023 | 9 | 9 |
| 2024 | 10 | 19 |
| 2025 | 11 | 15 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for washing and purification with low-temperature methanol16 Jun 2026US 12,655,022 B2Dalian Jiachun Gas Purification Technology Development Co., Ltd
- Desulfurization of carbon dioxide-containing gases14 Apr 2026US 12,599,868 B2Air Products and Chemicals, Inc.
- Chemical compositions and methods of using same for remediating sulfur-containing compositions and other contaminants in fluids10 Feb 2026US 12,545,842 B2Gaps Technology, LLC.
- Removal of acid gases from gaseous mixtures containing them30 Dec 2025US 12,509,639 B2ENI S. p. A.
- Hydrogen production from gasification of sour gas16 Sep 2025US 12,415,723 B2Saudi Arabian Oil Company
- Acidic gas removal from a post combustion process stream9 Jul 2026US 2026/0192241 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Adsorption-based system and method for claus tail gas treatment9 Jul 2026US 2026/0192244 A1Saudi Arabian Oil Company
- Recovery of carbon dioxide from produced water to neutralize liquid brine28 May 2026US 2026/0145973 A1Renovo Resources LLC
- Acid gas absorbent, method for removing acid gas, and acid gas removal apparatus16 Apr 2026US 2026/0103448 A1Kabushiki Kaisha Toshiba
- Method and system for upgrading biogas20 Nov 2025US 2025/0352943 A1Iogen Corporation
Most cited
By later US patents
- Solid sorbents for removal of carbon dioxide from gas streams at low temperatures119US 6,908,497 B1The United States of America as represented by the Department of Energy · 2005
- Process for recovering sulfur from fuel gases containing hydrogen sulfide, carbon dioxide, and carbonyl sulfide97US 3,989,811 AShell Oil Company · 1976
- Rapid temperature swing adsorption contactors for gas separation56US 8,673,059 B2ExxonMobil Research and Engineering Company · 2014
- Temperature swing adsorption process for the separation of target species from a gas mixture52US 8,784,533 B2ExxonMobil Research and Engineering Company · 2014
- Pressure-temperature swing adsorption process51US 8,784,534 B2ExxonMobil Research and Engineering Company · 2014