C01B 33/03
By decomposition of silicon halides or halosilanes or reduction thereof with hydrogen
Official title: by decomposition of silicon halides or halosilanes or reduction thereof with hydrogen as the only reducing agent
C01B33/03 (By decomposition of silicon halides or halosilanes or reduction thereof with hydrogen) appears on 149 US grants and 169 published applications in this corpus.
Search patents in C01B- Granted patents
- 149
- Published applications
- 169
- Assignees
- 85
- Inventors
- 396
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 1 |
| 2004 | 0 | 7 |
| 2005 | 4 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 6 |
| 2008 | 0 | 8 |
| 2009 | 1 | 13 |
| 2010 | 9 | 14 |
| 2011 | 11 | 13 |
| 2012 | 10 | 14 |
| 2013 | 6 | 12 |
| 2014 | 7 | 6 |
| 2015 | 7 | 9 |
| 2016 | 7 | 14 |
| 2017 | 6 | 4 |
| 2018 | 5 | 5 |
| 2019 | 8 | 8 |
| 2020 | 5 | 3 |
| 2021 | 2 | 3 |
| 2022 | 3 | 7 |
| 2023 | 4 | 5 |
| 2024 | 6 | 2 |
| 2025 | 2 | 2 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Quality evaluation method, manufacturing system of silicon for evaluation, manufacturing method of silicon for evaluation, and silicon for evaluation25 Aug 2026US 12,716,884 B2Shin-Etsu Chemical Co., Ltd.
- Method of producing a battery anode active material comprising a porous host structure and silicon residing in the host pores14 Jul 2026US 12,683,152 B1Honeycomb Battery Company
- Process for producing nanoclusters of silicon and/or germanium exhibiting a permanent magnetic and/or electric dipole moment27 Jan 2026US 12,534,796 B2Centre National De La Recherche Scientifique
- Process for producing polycrystalline silicon granulate30 Dec 2025US 12,509,353 B2Wacker Chemie AG
- Method for producing polycrystalline silicon8 Apr 2025US 12,269,747 B2Wacker Chemie AG
- Carbon composite material20 Aug 2026US 2026/0245875 A1Toyota Jidosha Kabushiki Kaisha
- Uniform Deposition of Silicon in Pores of Porous Conductive Particles for Battery Anodes6 Aug 2026US 2026/0229494 A1Honeycomb Battery Company
- Electrode active material composite particle, method for producing the same, electrode mixture, and battery30 Jul 2026US 2026/0217546 A1Toyota Jidosha Kabushiki Kaisha
- Method of Producing a Battery Anode Active Material Comprising a Porous Host Structure and Silicon Residing in the Host Pores16 Jul 2026US 2026/0204553 A1Honeycomb Battery Company
- Solution-based synthesis of composites18 Jun 2026US 2026/0171420 A1
Most cited
By later US patents
- Process for preparing highly pure silicon granules75US 6,007,869 AWacker Chemie AG · 1999
- Fluidized bed reactor with microwave heating system for preparing high-purity polycrystalline silicon69US 4,786,477 AKorea Research Institute of Chemical Technology · 1988
- Heating of fluidized bed reactor by microwaves60US 5,374,413 AKorea Research Institute of Chemical Technology · 1994
- Fluidized bed reactor heated by microwaves49US 5,382,412 AKorea Research Institute of Chemical Technology · 1995
- Process for removing gaseous contaminating compounds from carrier gases containing halosilane compounds47US 5,051,117 AWacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH · 1991