B01D 2252/20484
With one hydroxyl group
Official title: with one hydroxyl group
B01D2252/20484 (With one hydroxyl group) appears on 286 US grants and 450 published applications in this corpus.
Search patents in B01D- Granted patents
- 286
- Published applications
- 450
- Assignees
- 209
- Inventors
- 962
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 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 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 16 |
| 2012 | 1 | 26 |
| 2013 | 14 | 24 |
| 2014 | 15 | 40 |
| 2015 | 12 | 34 |
| 2016 | 22 | 35 |
| 2017 | 26 | 33 |
| 2018 | 32 | 32 |
| 2019 | 30 | 28 |
| 2020 | 21 | 28 |
| 2021 | 29 | 29 |
| 2022 | 21 | 11 |
| 2023 | 16 | 29 |
| 2024 | 17 | 26 |
| 2025 | 17 | 31 |
| 2026 | 7 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition for carbon dioxide separation and method for separating carbon dioxide9 Jun 2026US 12,649,145 B2Tosoh Corporation
- System for offshore carbon dioxide capture5 May 2026US 12,616,929 B2Equinor Energy AS
- Systems and methods for electrochemical generation of syngas and other useful chemicals7 Apr 2026US 12,595,572 B2The University of British Columbia
- High capacity carbon dioxide absorbent solvent resistant to oxidative degradation31 Mar 2026US 12,589,349 B2
- Porous liquid, self-replenishing porous liquid and methods of making and using the same24 Mar 2026US 12,582,939 B2ExxonMobil Technology and Engineering Company
- Absorbent for Capturing Carbon Dioxide8 Oct 2026US 2026/0307000 A1Panasia Co., Ltd.
- Absorption liquid for capturing carbon dioxide and use thereof, and method for capturing carbon dioxide1 Oct 2026US 2026/0295511 A1China Petroleum & Chemical Corporation
- A method and system for the removal of carbon dioxide from carbon capture solvents using heat from a gas24 Sep 2026US 2026/0284577 A1
- Acid gas removal apparatus and acid gas removal method24 Sep 2026US 2026/0284579 A1Kabushiki Kaisha Toshiba
- Acid gas removal apparatus and acid gas removal method24 Sep 2026US 2026/0284580 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Selective-permeation gas-separation process and apparatus62US 4,750,918 AThe Trustees of the Stevens Institute of Technology · 1988
- Integrated method of driving a CO2 compressor of a CO2-capture system using waste heat from an internal combustion engine on board a mobile source47US 9,222,480 B2Saudi Arabian Oil Company · 2015
- Process for the recovery of carbon dioxide from a gas stream25US 7,601,315 B2Cansolv Technologies Inc. · 2009
- CO2 recovery system and CO2 absorption liquid21US 8,568,520 B2Kabushiki Kaisha Toshiba · 2013
- Apparatus and systems having an encased adsorbent contactor and swing adsorption processes related thereto21US 9,358,493 B2ExxonMobil Upstream Research Company · 2016