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. 14, 1993
Filed:
Jun. 10, 1991
Applicant:
Inventors:
Kunihisa Yoshida, Aichi, JP;
Kazuhiko Nakada, Aichi, JP;
Assignee:
Menicon Co., Ltd., Nagoya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; G02B / ;
U.S. Cl.
CPC ...
623-6 ; 523106 ; 526245 ; 5263285 ; 5263294 ; 5263295 ; 5263297 ;
Abstract
A material for one-piece intraocular lenses containing a copolymer whose main components are methyl methacrylate and at least one (meth)acrylate selected from an alkyl acrylate having a glass transition temperature of higher than 30.degree. C. and up to 100.degree. C. and a fluoroalkyl (meth)acrylate having a glass transition temperature of higher than 30.degree. C. and up to 100.degree. C. This material for one-piece intraocular lenses has excellent cutting-processability, grindability, machinability and suitable flexibility, and can be suitably used for not only one-piece intraocular lenses but also three-piece intraocular lenses.