C01B 2210/0001
Separation or purification processing
C01B2210/0001 (Separation or purification processing) appears on 212 US grants and 279 published applications in this corpus.
Search patents in C01B- Granted patents
- 212
- Published applications
- 279
- Assignees
- 204
- Inventors
- 844
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 2 | 6 |
| 2015 | 7 | 5 |
| 2016 | 2 | 14 |
| 2017 | 15 | 20 |
| 2018 | 9 | 24 |
| 2019 | 12 | 17 |
| 2020 | 14 | 18 |
| 2021 | 12 | 19 |
| 2022 | 13 | 20 |
| 2023 | 16 | 46 |
| 2024 | 14 | 42 |
| 2025 | 15 | 18 |
| 2026 | 23 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steam methane reforming with process carbon dioxide capture and ammonia firing15 Sep 2026US 12,735,316 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Producing hydrogen from hydrogen sulfide1 Sep 2026US 12,722,970 B2Saudi Arabian Oil Company
- Method of recycling helium from waste gas in semiconductor process1 Sep 2026US 12,722,973 B2Samsung Electronics Co., Ltd.
- Process for concentrating CO2 from air and dilute CO2 streams using MOF based physisorbents28 Jul 2026US 12,691,432 B2King Abdullah University of Science and Technology
- Support-free adsorbents for CO2 capture from air28 Jul 2026US 12,691,433 B2Lawrence Livermore National Security, LLC
- Anaerobic digester-based system for rng and hydrogen productions3 Sep 2026US 2026/0257912 A1University of Southern California
- Mixed gas separation device and mixed gas separation method27 Aug 2026US 2026/0250130 A1L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitaion des Procédés Georges Claude
- Anaerobic digester-based system for rng and hydrogen production13 Aug 2026US 2026/0233995 A1
- Process for producing very high purity helium or hydrogen30 Jul 2026US 2026/0217533 A1Air Liquide Advanced Technologies U.S. LLC
- Kiln exhaust gas regeneration apparatus and system, and kiln system16 Jul 2026US 2026/0199824 A1TDK Corporation
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Process for the separation/recovery of gases114US 6,179,900 B2GKSS-Forschungszentrum Geesthacht GmbH · 2001
- Process and system for the production of dry, high purity nitrogen99US 4,931,070 AUnion Carbide Corporation · 1990
- Process for recovering helium from a gas stream99US 5,224,350 AAdvanced Extraction Technologies, Inc. · 1993
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions99US 5,744,015 A1998