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:
Dec. 08, 1981
Filed:
Nov. 15, 1976
Applicant:
Inventor:
Samuel Loshaek, Chicago, IL (US);
Assignee:
Wesley-Jessen, Inc., Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G02C / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526313 ; 260 4221 ; 260 4252 ; 264-11 ; 526316 ; 3511 / ;
Abstract
This invention relates to ultraviolet absorbing lenses, particularly corneal contact lenses, comprising a polymeric shaped body having an ultraviolet absorber dispersed substantially uniformly throughout said body and being in a steady state with respect to extraction thereof from said body by an aqueous medium, and to the method of making such lenses.