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:
Aug. 10, 1993
Filed:
Oct. 16, 1991
Applicant:
Inventors:
Gunther Bernhardt, St. Augustin, DE;
Margret Haas, Cologne, DE;
Heinz Kragl, Troisdorf, DE;
Gerald L Larson, Troisdorf, DE;
Assignee:
Huls Aktiengesellschaft, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
544 69 ; 546 14 ;
Abstract
Pyridinium salts of the formula ##STR1## are prepared. The compounds are useful as phase transfer catalysts for the preparation of methacryloyloxyalkylalkoxysilanes and acryloyloxyalkylalkoxysilanes.
Bernhardt, Gunther. (1993). Pyridinium salts containing alkoxysilyl groups (U.S. Patent No. 5235051). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5235051
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile