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:
Oct. 12, 1993
Filed:
Oct. 29, 1992
Applicant:
Inventors:
Rudolph E Lisa, Grosse Ile, MI (US);
Klaus Hilligardt, Limburgerhof, DE;
Ulrich M Kalck, Neuhofen, DE;
Assignee:
BASF Corporation, Parsippany, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
556428 ;
Abstract
Disclosed is a solventless process for the manufacture of sulfophenylalkylsiloxane or sulfonaphthylalkylsiloxanes, wherein the reaction between chlorosulfonic acid and a phenylalkyltrichlorosilane or a naphthylalkyltrichlorosilane is conducted in a reactor containing a self-cleaning agitator to deliver the sulfophenylalkylsiloxane or sulfonaphthylalkylsiloxane in the form of a powder.