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:
Nov. 10, 1992
Filed:
Mar. 01, 1990
Applicant:
Inventor:
Masahiro Ikari, Kurashiki, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
523107 ; 526245 ;
Abstract
The hard contact lenses of the present invention are, being formed of copolymers comprising as its essential components a siloxanylalkylamide unit and a monomer unit containing fluorine, excellent in oxygen permeability, wettability with water, resistance to soiling by protein, lipids or the like, transparency and mechanical strength.