B01D 2252/60
Additives
B01D2252/60 (Additives) appears on 248 US grants and 392 published applications in this corpus.
Search patents in B01D- Granted patents
- 248
- Published applications
- 392
- Assignees
- 181
- Inventors
- 816
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 9 |
| 2012 | 2 | 19 |
| 2013 | 7 | 32 |
| 2014 | 13 | 23 |
| 2015 | 10 | 34 |
| 2016 | 23 | 36 |
| 2017 | 27 | 32 |
| 2018 | 20 | 27 |
| 2019 | 31 | 19 |
| 2020 | 18 | 31 |
| 2021 | 20 | 21 |
| 2022 | 22 | 15 |
| 2023 | 12 | 19 |
| 2024 | 13 | 23 |
| 2025 | 14 | 31 |
| 2026 | 15 | 16 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for electrochemical generation of syngas and other useful chemicals1 Sep 2026US 12,723,314 B2The University of British Columbia
- Chemical additives for direct air carbon capture25 Aug 2026US 12,714,966 B2Halliburton Energy Services.Inc.
- Hybrid carbon dioxide removal systems4 Aug 2026US 12,697,582 B2AirMyne, Inc.
- Method of scavenging hydrogen sulfide from sour gas well using mineral oil nanoemulsions23 Jun 2026US 12,662,619 B1King Fahd University of Petroleum and Minerals
- Compositions and methods for scavenging hydrogen sulfide26 May 2026US 12,637,628 B2Foremark Performance Chemicals
- Absorption liquid for capturing carbon dioxide and use thereof, and method for capturing carbon dioxide1 Oct 2026US 2026/0295511 A1China Petroleum & Chemical Corporation
- Acid gas removal apparatus and acid gas removal method24 Sep 2026US 2026/0284579 A1Kabushiki Kaisha Toshiba
- Combination carbon monoxide and nitrogen dioxide scrubber treatment and process17 Sep 2026US 2026/0273461 A1
- Carbon dioxide absorbent using aqueous potassium carbonate solution, process of capturing carbon dioxide and system of capturing carbon dioxide using the same10 Sep 2026US 2026/0263991 A1Gwangju Institute of Science and Technology
- Compositions, methods, and systems for carbon capture10 Sep 2026US 2026/0263992 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Removal of acid gases from a gas stream, with CO2 capture and sequestration34US 9,149,761 B2ExxonMobil Upstream Research Company · 2015
- Process for the recovery of carbon dioxide from a gas stream25US 7,601,315 B2Cansolv Technologies Inc. · 2009
- Integrated process for CO2 capture and use in thermal power production cycle21US 9,598,993 B2Saudi Arabian Oil Company · 2017
- Method and system for recovery of carbon dioxide from gas21US 9,861,931 B2Kaakkois-Suomen Ammattukorkeakoulu Oy · 2018
- Ambient air purifier with humidification and dehumidification18US 9,839,872 B2MAX Analytical Technologies, Inc. · 2017