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. 26, 1992
Filed:
Oct. 16, 1991
Applicant:
Inventors:
Gunther Bernhardt, St. Augustin, DE;
Klaus-Dieter Steffen, Hennef, DE;
Margret Haas, Koln, DE;
Heinz Kragl, Troisdorf, DE;
Assignee:
Huls Aktiengesellschaft, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556440 ;
Abstract
A quaternary pyridinium halide is used as the phase transfer catalyst in a process for the preparation of an organosilane containing methacryloyloxy or acryloyloxy groups by reacting an alkali metal methacrylate or alkali metal acrylate with a chloroalkylsilane.