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:
Oct. 16, 2012
Filed:
Mar. 14, 2011
Applicants:
Toshihiro Sato, Aichi, JP;
Akihiro Hiroki, Gunma, JP;
Naotsugu Nagasawa, Gunma, JP;
Masao Tamada, Gunma, JP;
Inventors:
Toshihiro Sato, Aichi, JP;
Akihiro Hiroki, Gunma, JP;
Naotsugu Nagasawa, Gunma, JP;
Masao Tamada, Gunma, JP;
Assignees:
Nippon Contact Lens Inc., Nagoya, JP;
Japan Atomic Energy Agency, Naka-gun, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
[Problems to be Solved] To provide highly hydrous contact lenses having a cellulose derivative as an essential component. [Means to Solve the Problems] The highly hydrous contact lens formed by exposing a pasty mixture containing a cellulose derivative, a polymerizable compound couplable to the foregoing cellulose derivative, and water to radiation.