B01D 2252/40
Absorbents explicitly excluding the presence of water
B01D2252/40 (Absorbents explicitly excluding the presence of water) appears on 22 US grants and 35 published applications in this corpus.
Search patents in B01D- Granted patents
- 22
- Published applications
- 35
- Assignees
- 27
- Inventors
- 103
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 7 |
| 2013 | 0 | 4 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 4 | 4 |
| 2019 | 1 | 0 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 0 | 4 |
| 2023 | 4 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Porous liquid, self-replenishing porous liquid and methods of making and using the same24 Mar 2026US 12,582,939 B2ExxonMobil Technology and Engineering Company
- Methods for removing water from iodine (I2)16 Dec 2025US 12,497,294 B2Solstice Advanced Materials US, Inc.
- Method for electrochemically reducing carbon dioxide6 Aug 2024US 12,054,835 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Gas dehydration7 Nov 2023US 11,806,662 B2Dow Global Technologies LLC
- Isomerization process17 Oct 2023US 11,787,755 B1Uop LLC
- Absorption liquid for capturing carbon dioxide and use thereof, and method for capturing carbon dioxide1 Oct 2026US 2026/0295511 A1China Petroleum & Chemical Corporation
- Systems and methods for co2 capture using molten salts2 Apr 2026US 2026/0091351 A1Mantel Capture, Inc.
- Methods for removing water from iodine (i2)12 Mar 2026US 2026/0070785 A1Solstice Advanced Materials US, Inc.
- Porous Liquid, Self-Replenishing Porous Liquid And Methods Of Making And Using The Same4 May 2023US 2023/0137305 A1ExxonMobil Technology and Engineering Company
- Low energy consumption anhydrous co2 phase change absorption agent, and regeneration method and application thereof1 Dec 2022US 2022/0379258 A1Tiangong University
Most cited
By later US patents
- Process of selective separation of hydrogen sulfide from gaseous mixtures containing also carbon dioxide31US 4,545,965 ASNAMPROGETTI S.p. A. · 1985
- System and process for capture of H2S from gaseous process streams and process for regeneration of the capture agent17US 8,652,237 B2Battelle Memorial Institute · 2014
- Using solvents for acidic gas removal13US 4,238,206 AColumbia Gas System Service Corporation · 1980
- Carbon dioxide capture system and methods of capturing carbon dioxide5US 8,709,367 B2General Electric Company · 2014
- Porous liquid and methods of making and using the same2US 11,590,447 B2Exxon Mobil Technology and Engineering Company · 2023