Process for producing trichlorosilane with structure-optimised silicon particles
US-2025256970-A1 · Aug 14, 2025 · US
prepared by hydrochlorination of silicon or of a silicon-containing material
prepared by hydrochlorination of silicon or of a silicon-containing material · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B33/10742 |
| Official title | {prepared by hydrochlorination of silicon or of a silicon-containing material} |
| Display label | prepared by hydrochlorination of silicon or of a silicon-containing material |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chlorosilane producing method
US-12221352-B2 · Feb 11, 2025 · US
Process for preparing chlorosilanes
US-12180079-B2 · Dec 31, 2024 · US
Process for preparing chlorosilanes
US-12129177-B2 · Oct 29, 2024 · US
Process for reducing the content of boron compounds in halosilane-containing compositions
US-12060376-B2 · Aug 13, 2024 · US
Method for producing chlorosilanes
US-11845667-B2 · Dec 19, 2023 · US
Method of classifying metallurgical silicon
US-11691884-B2 · Jul 4, 2023 · US
Method for producing chlorosilanes
US-11643330-B2 · May 9, 2023 · US
Process for producing trichlorosilane with structure-optimised silicon particles
US-2022234901-A1 · Jul 28, 2022 · US
Chlorosilane Producing Method
US-2022162079-A1 · May 26, 2022 · US
Process for preparing chlorsilanes
US-2022073357-A1 · Mar 10, 2022 · US
Chlorosilane Manufacturing Method
US-2022064009-A1 · Mar 3, 2022 · US
Process for preparing chlorsilanes
US-2022041455-A1 · Feb 10, 2022 · US
Process for reducing the content of boron compounds in halosilane-containing compositions
US-2022017546-A1 · Jan 20, 2022 · US
Process for producing chlorosilanes using a catalyst selected from the group of Co, Mo, W
US-11198613-B2 · Dec 14, 2021 · US
Method for producing chlorosilanes
US-2021163302-A1 · Jun 3, 2021 · US
Method of classifying metallurgical silicon
US-2021087066-A1 · Mar 25, 2021 · US
Process for producing chlorosilanes using a catalyst selected from the group of co, mo, w
US-2020325027-A1 · Oct 15, 2020 · US
Method for producing chlorosilanes
US-2020308008-A1 · Oct 1, 2020 · US
Compositional analysis of a gas or gas stream in a chemical reactor and method for preparing chlorosilanes in a fluidized bed reactor
US-10031082-B2 · Jul 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B33/10742?
- CPC C01B33/10742 is the Cooperative Patent Classification code for “prepared by hydrochlorination of silicon or of a silicon-containing material.”
- How many patents are filed under CPC C01B33/10742 (prepared by hydrochlorination of silicon or of a silicon-containing material)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C01B33/10742 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).