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. 04, 1990
Filed:
Jan. 03, 1990
Applicant:
Inventors:
Nobuyuki Toyoshima, Nagoya, JP;
Takanori Shibata, Nagoya, JP;
Atsushi Hirashima, Nagoya, JP;
Ichiro Ando, Nagoya, JP;
Noriko Iwata, Nagoya, JP;
Hiroshi Yoshioka, Annaka, JP;
Akinari Itagaki, Annaka, JP;
Toshio Yamazaki, Annaka, JP;
Assignees:
Menicon Co., Ltd, Aichi, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526245 ; 526279 ; 523107 ;
Abstract
A soft ocular lens material is formed of a copolymer consisting essentially of: