Preparation of organohalosilanes
US7179933B2 · kind B2 · utility
2Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2005 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Mar 17, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Organohalosilanes are prepared by reacting metallic silicon particles with an organohalide in the presence of a copper catalyst. A contact mass composed of the metallic silicon and the copper catalyst contains an effective amount of a catalyst alloy containing 0.2–8 wt % of tin and 4–20 wt % of phosphorus which is powdered by atomization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.