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. 23, 1979
Filed:
Sep. 20, 1978
Applicant:
Inventor:
David A Fabel, Springfield, MA (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
525 61 ; 525342 ;
Abstract
An abrasion-resistant coating composition is disclosed which comprises a polyvinyl acetal having a hydroxyl group content, calculated as polyvinyl alcohol, of from 35 to 50 percent by weight and polysilicic acid, the weight ratio of polysilicic acid to polyvinyl acetal being from 2:1 to 4:1.