B01D 2252/2021
Methanol
B01D2252/2021 (Methanol) appears on 118 US grants and 174 published applications in this corpus.
Search patents in B01D- Granted patents
- 118
- Published applications
- 174
- Assignees
- 86
- Inventors
- 301
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 8 |
| 2013 | 4 | 9 |
| 2014 | 3 | 11 |
| 2015 | 6 | 13 |
| 2016 | 7 | 12 |
| 2017 | 10 | 8 |
| 2018 | 7 | 15 |
| 2019 | 13 | 6 |
| 2020 | 7 | 24 |
| 2021 | 7 | 17 |
| 2022 | 14 | 12 |
| 2023 | 16 | 10 |
| 2024 | 8 | 15 |
| 2025 | 8 | 7 |
| 2026 | 7 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Latent heat and condensation exchanger11 Aug 2026US 12,704,076 B2Sustainable Energy Solutions, LLC
- Method and device for washing and purification with low-temperature methanol16 Jun 2026US 12,655,022 B2Dalian Jiachun Gas Purification Technology Development Co., Ltd
- Composition for carbon dioxide separation and method for separating carbon dioxide9 Jun 2026US 12,649,145 B2Tosoh Corporation
- Process and plant for producing methanol and ammonia26 May 2026US 12,637,357 B2L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes
- Method for reducing methane emissions from biogas upgrading17 Feb 2026US 12,551,841 B2Airco Process Technology A/S
- Electrolyzer Loop Augmentation for Chemical Production Line with Carbon Monoxide Tail Gas18 Jun 2026US 2026/0168119 A1Dioxycle
- Methods for hydrogen sulfide scavenging11 Jun 2026US 2026/0158432 A1Hexion Inc.
- Combined Carbon Dioxide Removal Plant Process4 Dec 2025US 2025/0367593 A1Air Products and Chemicals, Inc.
- Process and plant for producing ammonia4 Sep 2025US 2025/0276906 A1Gascontec GmbH
- Amine composition for carbon dioxide separation use21 Aug 2025US 2025/0262589 A1Tosoh Corporation
Most cited
By later US patents
- Carbon dioxide capture and conversion to organic products43US 8,658,016 B2Liquid Light, Inc. · 2014
- Integrated process for CO2 capture and use in thermal power production cycle21US 9,598,993 B2Saudi Arabian Oil Company · 2017
- Methanol carbonylation system having absorber with multiple solvent options11US 8,318,977 B2Celanese International Corporation · 2012
- Integrated system and method for removing acid gas from a gas stream7US 10,414,649 B2Research Triangle Institute · 2019
- Process and apparatus for treating a sour synthesis gas6US 10,399,852 B22019