C01B 33/10784
By adsorption
Official title: {by adsorption}
C01B33/10784 (By adsorption) appears on 18 US grants and 22 published applications in this corpus.
Search patents in C01B- Granted patents
- 18
- Published applications
- 22
- Assignees
- 19
- Inventors
- 70
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Production system, production method and application of general-purpose high-purity chemicals3 Feb 2026US 12,539,471 B2Beijing University of Chemical Technology
- Process for removing an impurity from a chlorosilane mixture19 Aug 2025US 12,391,559 B2Wacker Chemie AG
- Process and use of amino-functional resins for dismutating halosilanes and for removing extraneous metals6 Mar 2018US 9,908,781 B2Evonik Degussa GmbH
- Method for purifying silane compound or chlorosilane compound, method for producing polycrystalline silicon, and method for regenerating weakly basic ion-exchange resin6 Jun 2017US 9,669,400 B2Shin-Etsu Chemical Co., Ltd.
- Process for purifying silicon source material by high gravity rotating packed beds29 Oct 2013US 8,568,597 B2
- Production system, production method and application of general-purpose high-purity chemicals8 Feb 2024US 2024/0042343 A1Beijing University of Chemical Technology
- Process for removing an impurity from a chlorosilane mixture30 Mar 2023US 2023/0097766 A1Wacker Chemie AG
- Method for purifying chlorosilane6 Jul 2017US 2017/0190585 A1Shin-Etsu Chemical Co., Ltd.
- Method for purifying silane compound or chlorosilane compound, method for producing polycrystalline silicon, and method for regenerating weakly basic ion-exchange resin29 Sep 2016US 2016/0279628 A1Shin-Etsu Chemical Co., Ltd.
- Method for producing polycrystalline silicon15 Sep 2016US 2016/0264425 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Purification of hydrosilanes and siloxanes19US 4,156,689 AGeneral Electric Company · 1979
- Purification of halide19US 4,557,921 AEthyl Corporation · 1985
- Purification of chlorosilanes11US 4,713,230 ADow Corning Corporation · 1987
- Process for the purification of chlorosilanes10US 4,224,040 ASmiel S.p.A. · 1980
- Process for purifying halosilanes9US 5,445,742 ADow Corning Corporation · 1995