C01B 17/167
Separation
Official title: {Separation}
C01B17/167 (Separation) appears on 118 US grants and 80 published applications in this corpus.
Search patents in C01B- Granted patents
- 118
- Published applications
- 80
- Assignees
- 75
- Inventors
- 248
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 5 |
| 2009 | 3 | 3 |
| 2010 | 2 | 4 |
| 2011 | 4 | 4 |
| 2012 | 2 | 9 |
| 2013 | 3 | 1 |
| 2014 | 8 | 4 |
| 2015 | 4 | 12 |
| 2016 | 2 | 8 |
| 2017 | 7 | 6 |
| 2018 | 6 | 3 |
| 2019 | 6 | 3 |
| 2020 | 6 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Molecular sieve complex, composite material and application thereof25 Feb 2025US 12,233,396 B2China Petroleum & Chemical Corporation
- Composite material and use thereof in desulfurization25 Feb 2025US 12,233,397 B2China Petroleum & Chemical Corporation
- Carbon dioxide and hydrogen sulfide recovery system using a combination of membranes and low temperature cryogenic separation processes30 Jan 2024US 11,883,778 B2Cameron International Corporation
- Composite amine absorbent, and device and method for removing CO2 or H2S, or both of CO2 and H2S3 Oct 2023US 11,772,041 B2Mitsubishi Heavy Industries, Ltd.
- Regeneration schemes for a two-stage adsorption process for Claus tail gas treatment19 Sep 2023US 11,760,632 B2Saudi Arabian Oil Company
- Membrane-based natural gas sweetening under humid conditions6 Nov 2025US 2025/0339821 A1
- Method and apparatus for producing treated brine composition with reduced hydrogen sulfide21 Aug 2025US 2025/0263812 A1ExxonMobil Technology and Engineering Company
- Low Temperature Hydrogen Sulfide Removal Systems with Hydriodic Acid and Iodine Mixtures31 Jul 2025US 2025/0242296 A1Thiozen Inc.
- A process for conversion of aqueous hydrogen sulfide to sulfuric acid15 May 2025US 2025/0154005 A1Topsoe A/S
- Molecular sieve complex, composite material and application thereof18 May 2023US 2023/0149891 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Methods and configurations for acid gas enrichment156US 7,635,408 B2Fluor Technologies Corporation · 2009
- Distillative separations of gas mixtures containing methane, carbon dioxide and other components129US 4,462,814 AKoch Process Systems, Inc. · 1984
- Process for sulfur removal and recovery from a power generation plant using physical solvent75US 5,240,476 AAir Products and Chemicals, Inc. · 1993
- Process for sulfur removal and recovery from fuel gas using physical solvent59US 4,957,515 AAir Products and Chemicals, Inc. · 1990
- Rapid temperature swing adsorption contactors for gas separation56US 8,673,059 B2ExxonMobil Research and Engineering Company · 2014