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:
Nov. 23, 2010
Filed:
Oct. 20, 2009
Naoki Hayashida, Tokyo, JP;
Rie Ihara, Tokyo, JP;
Hidetake Itoh, Tokyo, JP;
Kazushi Tanaka, Tokyo, JP;
Naoki Hayashida, Tokyo, JP;
Rie Ihara, Tokyo, JP;
Hidetake Itoh, Tokyo, JP;
Kazushi Tanaka, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A hardcoat agent composition comprising a fluorine-containing polyether compound (A) having a perfluoropolyether unit, urethane bond and active energy ray reactive group and a curable compound (B) having equal to or more than 2 active energy ray polymerizing groups in the molecule. An optical information medium having a film substance composed of single or multiple layers containing at least the recording layeror the reflecting layer on the supporting substrate, the optical information medium wherein at least either the surface of the supporting substrateor that of the above-mentioned film substance is formed by the hardcoat layercontaining a curable substance of the above-mentioned hardcoat agent composition.