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:
Sep. 17, 1991
Filed:
Oct. 29, 1990
Applicant:
Inventors:
Kazumi Higashi, Osaka, JP;
Kazuhide Fujita, Osaka, JP;
Yoshinori Yoshida, Osaka, JP;
Kiichiro Matsushita, Osaka, JP;
Kazuhiko Nakada, Aichi, JP;
Assignees:
Nitto Denko Corporation, Osaka, JP;
Menicon Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623-6 ;
Abstract
An intra-ocular lens comprising a lens part and a fixing part for fixing the lens part in an eye, the lens part comprising a colorless and transparent polyimide containing at least one of repeating units represented by formulae (I) to (IV): ##STR1## wherein X.sub.1 represents ##STR2## X.sub.2 represents ##STR3## X.sub.3 represents ##STR4## Further, the lens part and the fixing part may be integrally molded together, if desired.