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:
Jul. 06, 2010
Filed:
Sep. 28, 2004
Applicants:
Koichi Fujii, Niiza, JP;
Kazuo Murakami, Kawagoe, JP;
Inventors:
Koichi Fujii, Niiza, JP;
Kazuo Murakami, Kawagoe, JP;
Assignee:
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical disk comprising a first substrate, a first reflective layer for reflecting laser beams for information reading formed on the first substrate, and a resin layer made of a cured film of an ultraviolet curable composition formed on the first reflective layer, wherein the first reflective layer is a reflective layer made of silver or an alloy containing silver as a main component, and the ultraviolet curable composition contains (a) a radical polymerizable compound, (b) a compound represented by the following formula (1) and (c) a radical photopolymerization initiator.