B01D 2252/20494
Amino acids, their salts or derivatives
B01D2252/20494 (Amino acids, their salts or derivatives) appears on 70 US grants and 122 published applications in this corpus.
Search patents in B01D- Granted patents
- 70
- Published applications
- 122
- Assignees
- 68
- Inventors
- 283
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 6 |
| 2012 | 1 | 10 |
| 2013 | 3 | 9 |
| 2014 | 7 | 4 |
| 2015 | 3 | 15 |
| 2016 | 7 | 10 |
| 2017 | 5 | 8 |
| 2018 | 5 | 12 |
| 2019 | 10 | 6 |
| 2020 | 8 | 1 |
| 2021 | 2 | 2 |
| 2022 | 4 | 0 |
| 2023 | 3 | 10 |
| 2024 | 4 | 1 |
| 2025 | 2 | 16 |
| 2026 | 4 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Using carbon dioxide from a direct air capture system as a low global warming car and industrial refrigerant25 Aug 2026US 12,716,620 B2AirMyne, Inc.
- Hybrid carbon dioxide removal systems4 Aug 2026US 12,697,582 B2AirMyne, Inc.
- Solvent systems for carbon dioxide capture and methods of making and using said systems14 Jul 2026US 12,678,729 B2Schlumberger Technology Corporation
- Method and apparatus for treating biogas20 Jan 2026US 12,528,726 B2Energy Tech Innovations, LLC
- Post-combustion CO2 capture with heat recovery and integration14 Oct 2025US 12,440,799 B2Saipem S.P.A.
- Amino acid based carbon dioxide capture catalyzed with three-dimensional graphene8 Oct 2026US 2026/0307044 A1University of Wyoming
- Process for stripping co2 from solutions of alkali metal carbonates10 Sep 2026US 2026/0263989 A1Giammarco Technologies S.R.L.
- Compositions and methods for carbon dioxide capture and fluid sweetening10 Sep 2026US 2026/0263993 A1Solugen, Inc.
- Atmospheric carbon dioxide capture system28 May 2026US 2026/0145112 A1Robert Bosch GmbH
- Atmospheric carbon dioxide capture system28 May 2026US 2026/0145123 A1Robert Bosch GmbH
Most cited
By later US patents
- Target gas capture12US 8,871,008 B2Carbon Engineering Limited Partnership · 2014
- Method and apparatus for purification and treatment of air9US 10,456,736 B2Paloza LLC · 2019
- Efficient and fully automated catalytic direct carbon dioxide capture from air system9US 11,801,476 B2AirMyne, Inc. · 2023
- Process for CO2 capture using carbonates and biocatalysts with absorption of CO2 and desorption of ion-rich solution9US 8,722,391 B2CO2 Solutions Inc. · 2014
- Method and absorption medium for absorbing CO2 from a gas mixture9US 9,878,285 B2Evonik Degussa GmbH · 2018