B01D 2252/2026
Polyethylene glycol, ethers or esters thereof
Official title: Polyethylene glycol, ethers or esters thereof, e.g. Selexol
B01D2252/2026 (Polyethylene glycol, ethers or esters thereof) appears on 133 US grants and 177 published applications in this corpus.
Search patents in B01D- Granted patents
- 133
- Published applications
- 177
- Assignees
- 102
- Inventors
- 377
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 5 |
| 2012 | 0 | 5 |
| 2013 | 2 | 7 |
| 2014 | 7 | 12 |
| 2015 | 8 | 18 |
| 2016 | 9 | 18 |
| 2017 | 14 | 14 |
| 2018 | 17 | 22 |
| 2019 | 16 | 10 |
| 2020 | 7 | 17 |
| 2021 | 12 | 15 |
| 2022 | 8 | 7 |
| 2023 | 12 | 6 |
| 2024 | 6 | 8 |
| 2025 | 9 | 5 |
| 2026 | 4 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas dehydrator and method of using same21 Jul 2026US 12,685,962 B2Cameron International Corporation
- Porous liquid, self-replenishing porous liquid and methods of making and using the same24 Mar 2026US 12,582,939 B2ExxonMobil Technology and Engineering Company
- Method for reducing methane emissions from biogas upgrading17 Feb 2026US 12,551,841 B2Airco Process Technology A/S
- Method and apparatus for treating biogas20 Jan 2026US 12,528,726 B2Energy Tech Innovations, LLC
- Hydrophobic MOF-based porous liquid carbon capture absorbent and preparation method therefor16 Dec 2025US 12,496,548 B2Huaneng Clean Energy Research Institute
- Acidic gas-absorbing liquid and acidic gas reduction method30 Apr 2026US 2026/0115646 A1AGC Inc.
- Acidic gas-absorbing liquid and acidic gas reduction method30 Apr 2026US 2026/0115649 A1AGC Inc.
- Gas dehydrator and method of using same9 Apr 2026US 2026/0097355 A1Cameron International Corporation
- Hydrocarbon recovery unit with recycle loop for adsorbent bed regeneration26 Feb 2026US 2026/0055036 A1BASF SE
- Integrated process for reducing co2 emissions from transport and power generation22 Jan 2026US 2026/0022013 A1Aramco Services Company
Most cited
By later US patents
- Landfill gas treatment40US 8,840,708 B12014
- Integrated process for CO2 capture and use in thermal power production cycle21US 9,598,993 B2Saudi Arabian Oil Company · 2017
- Process to remove product alcohol from a fermentation by vaporization under vacuum17US 8,628,643 B2Butamax Advanced Biofuels LLC · 2014
- Configurations and methods for processing high pressure acid gases with zero emissions15US 9,902,914 B2Fluor Technologies Corporation · 2018
- Gas purification configurations and methods14US 8,876,951 B2Fluor Technologies Corporation · 2014