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:
Jul. 17, 1979
Filed:
Oct. 18, 1977
Applicant:
Inventors:
Assignee:
Th. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604 / ; 2604 / ;
Abstract
A method for hydrolysis and condensation of alkyl/aryl-trichlorosilanes wherein the chlorosilanes are dissolved in liquid hydrogen chloride and the solution is hydrolized at a pressure of 15 to 80 atmospheres and at a temperature of -17.degree. to +47.degree. C. and water is present in an amount of 0.165 to 0.465 moles per chlorine atom attached to a silicon atom. After condensation, the reaction product is freed from hydrochloric acid and unhydrolyzed silanes. Also disclosed are new chlorosilanes prepared by the process of the invention.