B01D 2252/2023
Glycols, diols or their derivatives
B01D2252/2023 (Glycols, diols or their derivatives) appears on 273 US grants and 379 published applications in this corpus.
Search patents in B01D- Granted patents
- 273
- Published applications
- 379
- Assignees
- 190
- Inventors
- 763
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 10 |
| 2012 | 2 | 14 |
| 2013 | 6 | 19 |
| 2014 | 14 | 24 |
| 2015 | 15 | 33 |
| 2016 | 20 | 33 |
| 2017 | 30 | 33 |
| 2018 | 31 | 40 |
| 2019 | 33 | 21 |
| 2020 | 19 | 33 |
| 2021 | 21 | 20 |
| 2022 | 16 | 14 |
| 2023 | 18 | 22 |
| 2024 | 13 | 24 |
| 2025 | 15 | 19 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Fluids, solids and heavy component removal from reclaimer process liquid streams18 Aug 2026US 12,708,872 B2Axens
- Generate hydrogen as fuel at natural gas processing plant to reduce carbon dioxide emissions11 Aug 2026US 12,704,082 B2Saudi Arabian Oil Company
- Gas dehydrator and method of using same21 Jul 2026US 12,685,962 B2Cameron International Corporation
- Apparatus and method for exhaust gas pollution reduction12 May 2026US 12,623,185 B2Mercury Capture Intellectual Property, LLC
- Apparatus and method for exhaust gas pollution reduction17 Sep 2026US 2026/0273462 A1Mercury Capture Intellectual Property, LLC
- Integration of ethanol production with co2 compression and dehydration27 Aug 2026US 2026/0249235 A1POET Research, Inc.
- Mobile refrigeration unit16 Jul 2026US 2026/0199825 A1Voltagrid LLC
- Glycol Regeneration Off-Gas System Design Enhancement Using Jacketed Gas Thermocompressor9 Jul 2026US 2026/0192243 A1Saudi Arabian Oil Company
- Non-aqueous solvent formulations for acid gas capture18 Jun 2026US 2026/0166475 A1Research Triangle Institute
Most cited
By later US patents
- Landfill gas treatment40US 8,840,708 B12014
- Systems and methods for utilizing turbine systems within gas processing systems36US 9,764,272 B2Energy Recovery, Inc. · 2017
- Variable capacity multiple-leg packed separation column22US 9,480,947 B2Saudi Arabian Oil Company · 2016
- Integrated process for CO2 capture and use in thermal power production cycle21US 9,598,993 B2Saudi Arabian Oil Company · 2017
- Desiccant-based air conditioning system19US 8,943,844 B2Ducool Ltd. · 2015