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. 04, 1998
Filed:
Mar. 12, 1997
Applicant:
Inventor:
Gerald D Treadway, Penngrove, CA (US);
Assignee:
The Walman Optical Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08G / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
428412 ; 10628711 ; 10628712 ; 10628713 ; 428328 ; 428331 ; 428451 ; 524409 ; 524413 ; 524493 ; 524494 ; 528 21 ;
Abstract
A coating composition for eyeglasses and the like comprises a curable polymer precursor comprising a hydrolyzed epoxy-functional alkoxy silane and an imidazole curing agent therefor, a first colloid sol of a metal oxide colloid selected from the group consisting of the oxides of antimony, zirconium, cerium and tin, and optionally a second colloid sol of a metal oxide colloid different from the colloid of the first colloidal sol.