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. 21, 2001
Filed:
Feb. 11, 1999
Applicant:
Inventors:
Assignee:
Menicon Co. Ltd, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; A61L 2/700 ;
U.S. Cl.
CPC ...
C08F / ; C08F / ; A61L 2/700 ;
Abstract
There is provided a material for a soft intraocular lens, which has excellent transparency and flexibility, can be inserted from a small incision and has an high refractive index independent on a water content. The material comprises (A) 5-25 % by weight of acrylate containing an aromatic ring, (B) 50-90 % by weight of 2-hydroxyethyl (meth)acrylate, and (C) 5-45 % by weight of a (meth)acrylate monomer having the coefficient of water absorption of the homopolymer thereof of not more than 30 % by weight, except for (A) acrylate containing an aromatic ring and (B) 2-hydroxyethyl (meth)acrylate.