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. 11, 2003
Filed:
Apr. 02, 2001
Applicant:
Inventor:
Mieko Tanaka, Kanuma, JP;
Assignee:
Sony Chemicals Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 ;
U.S. Cl.
CPC ...
B32B 3/02 ;
Abstract
An optical disk contains a recording layer and an adhesive layer between at least two substrates, wherein the adhesive layer contains a cationic polymerizable resin (A), a photo-initiator (B), and an anion catcher (C). The weight ratio of the photo-initiator (B) and the anion catcher (C) is preferably from 3:1 to 3:24, more preferably from 3:1 to 3:12.