C01B 7/0718
By adsorption
Official title: {by adsorption}
C01B7/0718 (By adsorption) appears on 47 US grants and 47 published applications in this corpus.
Search patents in C01B- Granted patents
- 47
- Published applications
- 47
- Assignees
- 38
- Inventors
- 142
- Latest grant
- 15 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 1 | 8 |
| 2004 | 7 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 6 |
| 2009 | 0 | 1 |
| 2010 | 4 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 3 |
| 2020 | 4 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for producing potassium sulfate from potassium chloride and sulfuric acid15 Sep 2020US 10,773,968 B2Veolia Water Technologies, Inc.
- Purification process28 Jul 2020US 10,722,833 B2Johnson Matthey Public Limited Company
- Hydrogen gas recovery system and hydrogen gas separation and recovery method7 Apr 2020US 10,611,635 B2Shin-Etsu Chemical Co., Ltd.
- Hydrochloric acid purification process and plant3 Mar 2020US 10,576,417 B2Arkema France
- Method and device for regeneration of hydrochloric acid3 Dec 2019US 10,494,259 B2Andritz Inc.
- Process for purifying hydrogen halide solutions containing organic impurities21 Aug 2025US 2025/0263296 A1
- Storage medium for storing hydrogen chloride and method for separating and storing hydrogen chloride hcl from hcl containing gas4 Jul 2024US 2024/0216889 A1Freie UniversitäT Berlin
- Method for cleaning sulfurous corrosive process gases30 Jun 2022US 2022/0203300 A1Covestro Intellectual Property GmbH & Co.KG
- Hydrogen chloride mixture, method for producing the same, and filling container12 Nov 2020US 2020/0354217 A1Showa Denko K. K.
- Method for producing potassium sulfate from potassium chloride and sulfuric acid5 Mar 2020US 2020/0071176 A1Veolia Water Technologies, Inc.
Most cited
By later US patents
- Process and composition for drying of gaseous hydrogen halides38US 4,853,148 AAdvanced Technology Materials, Inc. · 1989
- Process and composition for drying of gaseous hydrogen halides26US 4,925,646 AAdvanced Technology Materials, Inc. · 1990
- Integrated process for fluoro-olefin production19US 8,618,340 B2Honeywell International Inc. · 2013
- Water scavengers for hydrochloric acid streams16US 4,867,960 AHercules Incorporated · 1989
- Method and apparatus for removing trace impurities from a gas using superactivated carbon material15US 6,425,946 B1Matheson Tri-Gas, Inc. · 2002