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:
Jan. 20, 1976
Filed:
Dec. 12, 1974
Applicant:
Inventors:
Werner Fory, Basel, CH;
Hermann Kny, Fullinsdorf, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604 / ; 203-6 ;
Abstract
A process for the manufacture of .beta.-chloroethyl-methyl-dichlorosilane by addition of HCl to methylvinyl-dichlorosilane in the presence of AlCl.sub.3 and distilling off the resultant end product from the reaction mixture, wherein the isolation of the .beta.-chloroethyl-methyl-dichlorosilane by distillation is effected in the presence of at least 1 mole of alkali metal chloride or of ammonium chloride, relative to AlCl.sub.3, at a bath temperature above 30.degree.C in vacuo.