C01B 33/10742
Prepared by hydrochlorination of silicon or of a silicon-containing material
Official title: {prepared by hydrochlorination of silicon or of a silicon-containing material}
C01B33/10742 (Prepared by hydrochlorination of silicon or of a silicon-containing material) appears on 87 US grants and 111 published applications in this corpus.
Search patents in C01B- Granted patents
- 87
- Published applications
- 111
- Assignees
- 42
- Inventors
- 200
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 4 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 10 |
| 2010 | 2 | 8 |
| 2011 | 2 | 7 |
| 2012 | 3 | 11 |
| 2013 | 5 | 11 |
| 2014 | 1 | 8 |
| 2015 | 5 | 6 |
| 2016 | 7 | 9 |
| 2017 | 6 | 6 |
| 2018 | 3 | 3 |
| 2019 | 4 | 0 |
| 2020 | 4 | 10 |
| 2021 | 5 | 3 |
| 2022 | 1 | 9 |
| 2023 | 5 | 0 |
| 2024 | 3 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low temperature process for the safe conversion of the siemens process side-product mixture to chloromonosilanes14 Apr 2026US 12,600,638 B2Momentive Performance Materials Inc.
- Hydrogen chloride dehydration method2 Sep 2025US 12,404,172 B2Tokuyama Corporation
- Chlorosilane producing method11 Feb 2025US 12,221,352 B2Tokuyama Corporation
- Process for preparing chlorosilanes31 Dec 2024US 12,180,079 B2Wacker Chemie AG
- Process for preparing chlorosilanes29 Oct 2024US 12,129,177 B2Wacker Chemie AG
- Method for Producing Purified Trichlorosilane24 Sep 2026US 2026/0285694 A1Tokuyama Corporation
- Process for producing trichlorosilane with structure-optimised silicon particles14 Aug 2025US 2025/0256970 A1Wacker Chemie AG
- Hydrogen chloride dehydration method24 Nov 2022US 2022/0371886 A1Tokuyama Corporation
- Trichlorosilane production method, and pipes1 Sep 2022US 2022/0274840 A1Tokuyama Corporation
- Process for producing trichlorosilane with structure-optimised silicon particles28 Jul 2022US 2022/0234901 A1Wacker Chemie AG
Most cited
By later US patents
- Gas separation by semi-permeable membranes38US 4,941,893 AUnion Carbide Chemicals and Plastics Company Inc. · 1990
- Waste treatment in silicon production operations37US 4,519,999 AUnion Carbide Corporation · 1985
- Closed loop process for producing polycrystalline silicon and fumed silica18US 5,910,295 AMEMC Electronic Materials, Inc. · 1999
- Method for increasing the yield of trichlorosilane in the fluidized-bed hydrochlorination of silicon14US 5,063,040 AHuels Aktiengesellschaft · 1991
- Process for producing trichlorosilane14US 5,871,705 ATokuyama Corporation · 1999