C01B 33/033
By reduction of silicon halides or halosilanes with a metal or a
Official title: by reduction of silicon halides or halosilanes with a metal or a metallic alloy as the only reducing agents
C01B33/033 (By reduction of silicon halides or halosilanes with a metal or a) appears on 50 US grants and 46 published applications in this corpus.
Search patents in C01B- Granted patents
- 50
- Published applications
- 46
- Assignees
- 33
- Inventors
- 125
- Latest grant
- 20 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 6 |
| 2010 | 3 | 8 |
| 2011 | 2 | 4 |
| 2012 | 3 | 6 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation of a material comprising at least silicon particles and silicon nanowires20 Sep 2022US 11,450,843 B2Enwires
- Silica to high purity silicon production process8 Mar 2022US 11,267,714 B2Hpq-Silicon Resources Inc.
- Fluidized bed reactor and process for producing polycrystalline silicon granules28 Apr 2020US 10,632,438 B2Wacker Chemie AG
- Method for producing aryl-functional silanes25 Sep 2018US 10,081,643 B2Dow Silicones Corporation
- Method for producing silicon metal and porous carbon9 Jan 2018US 9,862,612 B2Sumitomo Electric Industries, Ltd.
- Electrochemically Active-Material Structures Comprising Silicon and Inert Elements and Methods of Fabricating Thereof17 Apr 2025US 2025/0122084 A1GRU Energy Lab Inc.
- Nano-silicon agglomerate composite negative electrode material and method for preparing the same13 Jun 2024US 2024/0190712 A1Tomi(Chengdu) Applied Technology Research Institute Company Limited
- Silica to high purity silicon production process17 Nov 2022US 2022/0363550 A1Hpq-Silicon Resources Inc.
- Nanostructured material and method for preparing same4 Mar 2021US 2021/0066710 A1Enwires
- Efficient solar grade silicon production system7 Mar 2019US 2019/0071794 A1SRI International
Most cited
By later US patents
- Process for obtaining silicon from fluosilicic acid59US 4,442,082 ASRI International · 1984
- Arc heater production of silicon involving alkali or alkaline-earth metals56US 4,102,765 AWestinghouse Electric Corp. · 1978
- Apparatus for obtaining silicon from fluosilicic acid52US 4,590,043 ASRI International · 1986
- Method for producing a metal from its halide31US 4,877,445 AToho Titanium Co., Ltd. · 1989
- Continuous titanium process23US 4,401,467 A1983