B01D 2252/608
Antifoaming agents
B01D2252/608 (Antifoaming agents) appears on 26 US grants and 33 published applications in this corpus.
Search patents in B01D- Granted patents
- 26
- Published applications
- 33
- Assignees
- 27
- Inventors
- 115
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 5 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 3 | 4 |
| 2017 | 3 | 3 |
| 2018 | 2 | 4 |
| 2019 | 3 | 0 |
| 2020 | 4 | 4 |
| 2021 | 0 | 5 |
| 2022 | 6 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Reducing slurry emulsion and foaming in oxidation-reduction sulfur removal processes6 May 2025US 12,291,664 B1Streamline Innovations Inc
- Gas dehydration7 Nov 2023US 11,806,662 B2Dow Global Technologies LLC
- Intensification of biocatalytic gas absorption23 Aug 2022US 11,420,159 B2Saipem S.P.A.
- Process for aftertreatment of regeneration offgas2 Aug 2022US 11,400,409 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Acidic gas absorbent, acidic gas removal method and acidic gas removal apparatus14 Jun 2022US 11,358,092 B2Kabushiki Kaisha Toshiba
- Methods for hydrogen sulfide scavenging11 Jun 2026US 2026/0158432 A1Hexion Inc.
- Acid gas absorbent, method for removing acid gas, and acid gas removal apparatus16 Apr 2026US 2026/0103448 A1Kabushiki Kaisha Toshiba
- Reducing slurry emulsion and foaming in oxidation-reduction sulfur removal processes21 Aug 2025US 2025/0263602 A1Streamline Innovations Inc
- Method and System for Removing Acid Gas from Ethylene Cracking Gas27 Feb 2025US 2025/0065257 A1PetroChina Company Limited
- Gas Dehydration16 Dec 2021US 2021/0387136 A1Dow Global Technologies LLC
Most cited
By later US patents
- Method and system for capturing carbon dioxide and/or sulfur dioxide from gas stream5US 8,771,403 B2The Regents of the University of California · 2014
- Air pollution control system and method4US 9,381,461 B2Mitsubishi Heavy Industries, Ltd. · 2016
- Acid gas absorbent, acid gas removal device, and acid gas removal method4US 9,724,642 B2Kabushiki Kaisha Toshiba · 2017
- Process, method and system for removal of mercury in a gas dehydration process2US 10,041,014 B2Chevron U.S.A.Inc. · 2018
- Sterically hindered amines and associated methods1US 9,352,271 B2Huntsman Petrochemical Corporation · 2016