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:
Apr. 21, 2009
Filed:
Oct. 18, 2005
Applicants:
Mikio Aramata, Gunma-ken, JP;
Hajime Ishizaka, Annaka, JP;
Tetsuya Inukai, Annaka, JP;
Kenji Saito, Annaka, JP;
Inventors:
Mikio Aramata, Gunma-ken, JP;
Hajime Ishizaka, Annaka, JP;
Tetsuya Inukai, Annaka, JP;
Kenji Saito, Annaka, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Organohalosilanes are prepared by charging a reactor with a contact mass comprising metallic silicon and a catalyst and feeding an organohalide-containing gas to the reactor. The contact mass is prepared by premixing metallic silicon and a tin compound and heat treating the premix at 300-600° C. in an inert gas atmosphere.