B01D 2252/20431
Tertiary amines
B01D2252/20431 (Tertiary amines) appears on 253 US grants and 363 published applications in this corpus.
Search patents in B01D- Granted patents
- 253
- Published applications
- 363
- Assignees
- 154
- Inventors
- 719
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 0 |
| 2010 | 1 | 6 |
| 2011 | 0 | 4 |
| 2012 | 5 | 31 |
| 2013 | 14 | 18 |
| 2014 | 13 | 25 |
| 2015 | 12 | 26 |
| 2016 | 21 | 32 |
| 2017 | 17 | 34 |
| 2018 | 21 | 26 |
| 2019 | 28 | 28 |
| 2020 | 25 | 27 |
| 2021 | 21 | 22 |
| 2022 | 28 | 19 |
| 2023 | 16 | 16 |
| 2024 | 15 | 21 |
| 2025 | 12 | 11 |
| 2026 | 2 | 13 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- System of utilizing carbon dioxide17 Mar 2026US 12,577,695 B2Korea Institute of Science and Technology
- Low-cost and high-efficiency absorption-desorption decoupling method for contaminant-CO2 synergistic capture27 Jan 2026US 12,533,627 B2Jiaxing Research Institute, Zhejiang University
- Methods and compositions for carbon capture30 Dec 2025US 12,508,536 B2Entropy Inc.
- Compositions and methods for carbon dioxide capture4 Nov 2025US 12,458,920 B2The Board of Trustees of the University of Illinois
- Process and system for capture of carbon dioxide1 Jul 2025US 12,343,676 B2Commonwealth Scientific and Industrial Research Organisation
- 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
- Compositions, methods, and systems for carbon capture10 Sep 2026US 2026/0263992 A1Board of Regents, The University of Texas System
- Integrated process for removing carbon dioxide from a ship or offshore floating vessel using a rotating packed device20 Aug 2026US 2026/0243184 A1Chevron U.S.A.Inc.
- High temperature solvent separation with advanced stripper and direct contact condenser6 Aug 2026US 2026/0225003 A1
Most cited
By later US patents
- Methods and configurations for acid gas enrichment156US 7,635,408 B2Fluor Technologies Corporation · 2009
- 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
- Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams50US 8,784,535 B2ExxonMobil Research and Engineering Company · 2014