C01B 2210/0028
Separation of the specific gas from gas mixtures containing a minor amount
Official title: Separation of the specific gas from gas mixtures containing a minor amount of this specific gas
C01B2210/0028 (Separation of the specific gas from gas mixtures containing a minor amount) appears on 4 US grants and 4 published applications in this corpus.
Search patents in C01B- Granted patents
- 4
- Published applications
- 4
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 23 Jun 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
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| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Process and apparatus to recover helium23 Jun 2026US 12,662,379 B2The University of Western Australia
- Production method for high-purity hydrogen chloride gas27 May 2025US 12,312,247 B2Tokuyama Corporation
- Three stage membrane separation with partial reflux6 Sep 2016US 9,433,888 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for purifying and concentrating a gas mixture into a minor constituent, method for detecting this constituent, and installation27 Aug 2002US 6,440,196 B1Commissariat A L' Energie Atomique
- Extraction of Antigravity Hydrogen Atoms9 Oct 2025US 2025/0313456 A1
- Process and apparatus to recover helium4 Jul 2024US 2024/0217821 A1The University of Western Australia
- Production method for high-purity hydrogen chloride gas29 Dec 2022US 2022/0411265 A1Tokuyama Corporation
- Three stage membrane separation with partial reflux30 Jun 2016US 2016/0184769 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Method for purifying and concentrating a gas mixture into a minor constituent, method for detecting this constituent, and installation4US 6,440,196 B1Commissariat A L' Energie Atomique · 2002
- Three stage membrane separation with partial reflux4US 9,433,888 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2016