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. 08, 2000
Filed:
Mar. 07, 1997
Applicant:
Inventor:
Gerald D Treadway, Penngrove, CA (US);
Assignee:
The Walman Optical Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
522170 ; 523433 ;
Abstract
A coating composition for forming a transparent, abrasion-resistant coating upon eyeglass lenses or other transparent substrates, the composition comprising a binder component and a curing agent component and being substantially free of volatiles. The binder component comprises the hydrolysis product of an epoxy-functional alkoxy silane, a polyglycidyl ether, and an acrylic monomer having an acrylic functionality of not more than two. The curing agent component comprises a cationic photoinitiator and a free radical photoinitiator.