The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 1999
Filed:
Sep. 28, 1998
Applicant:
Inventors:
Larry Neil Lewis, Scotia, NY (US);
John Matthew Bablin, Amsterdam, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556422 ;
Abstract
A method is provided for improving alkylhalosilane selectivity in the direct method for making alkylhalosilane. There is introduced into the alkylhalosilane reactor, an effective amount of an organophosphine, such as trimethylphosphine, to enhance the formation of dialkylhalosilane during the direct reaction of alkylhalide and particulated silicon-copper contact mass.