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:
Apr. 04, 1978
Filed:
Mar. 10, 1976
Applicant:
Inventor:
Arthur A Wegwerth, Maplewood, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
428413 ; 260 13 ; 2608 / ; 260836 ; 2608 / ;
Abstract
Abrasion resistant polymeric coatings in which the polymer comprise the polymerized product of at least 15% by weight of an epoxy-terminated silane have improved film forming properties without significant loss of abrasion resistance if the epoxy-terminated silane composition is cured in the presence of 0.05 to 5% by weight of a polymeric additive selected from the class of polyvinyl butyral, polyvinyl formal, polyvinylpyrrolidone, polyvinylchloride, cellulose acetate butyrate, cellulose acetate propionate and ethylcellulose.