Process for preparing methylchlorosilanes

Details Process for preparing methylchlorosilanes Process for preparing methylchlorosilanes

2007-04-17

2007-04-17

Page, Thurman K. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

Reexamination Certificate

active

11231509

ABSTRACT:
A process for the direct synthesis of methylchlorosilanes by reaction of chloromethane with a contact composition comprising silicon, copper catalyst and from 10 to 90 ppm of strontium leads to increased selectivity and higher production rate.

REFERENCES:
patent: 4645851 (1987-02-01), Prud'Homme
patent: 4973725 (1990-11-01), Lewis et al.
patent: 5512662 (1996-04-01), Kalchauer et al.
patent: 5625088 (1997-04-01), Kalchauer
patent: 195 728 (1986-09-01), None
patent: 1 037 183 (1951-05-01), None
Derwent Abstract corresponding to EP 195 728 (AN 1986-253674).
Edited by Lewis et al., “Catalyzed Direct Reactions of Silicon,” Studies in Organic Chemistry 49, Elsevier 1993, p. 18, Fig. 3.

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