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:
May. 30, 1989
Filed:
Dec. 10, 1986
Applicant:
Inventors:
Ulrich Deschler, Hanau, DE;
Rudolf Michel, Freigericht, DE;
Peter Kleinschmit, Hanau, DE;
Siegfried Wolff, Bornheim-Merten, DE;
Assignee:
Degussa Aktiengesellschaft, Frankfurt/Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
556427 ; 556428 ; 526279 ; 524262 ; 524263 ;
Abstract
The invention is directed to a method of preparing sulfenic acid chlorides and sulfenic acid esters with hydrolyzable silyl groups in which an oligosulfane containing silyl groups is chlorinated, the sulfenic acid chloride produced is separated and converted by reaction with an alkali alcoholate to the corresponding sulfenic acid ester.