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:
Mar. 14, 1978
Filed:
Feb. 07, 1977
Applicant:
Inventor:
Joseph Philipson, Pasadena, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; G02C / ; B32B / ;
U.S. Cl.
CPC ...
428217 ; 351159 ; 351166 ; 2234 ; 351 41 ; 351 44 ; 428412 ; 428413 ; 428425 ; 428447 ; 428501 ; 428515 ; 428516 ; 428523 ; 428912 ;
Abstract
A coated abrasion-resistant optical element, such as an eyeglass lens, formed of a typical rigid polymeric substrate of relatively low scratch resistance coated on at least one surface with a relatively soft, resilient, and tough transparent polymeric material. The essential characteristics of the coating material resulting in an abrasion-resistant protective film for the optical element are disclosed.