Silicon powder for preparing alkyl- or aryl-halogenosilanes
US7108734B2 · kind B2 · utility
0Cited by
8References
17Claims
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Assignee
Inventor
Key dates
| Filing date | May 29, 2001 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Sep 6, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a silicon powder for making alkyl- or aryl-halogenosilanes, with particle-size distribution less than 350 μm, and containing less than 3% and preferably less than 2% of particles having a size less than 5 μm. Said powder enables to improve efficiency of synthesis reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.