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:
Mar. 10, 2009
Filed:
Jun. 23, 2005
Mamoru Uchida, Nakamuroda Haruna-Machi, JP;
Isao Okitsu, Nakamuroda Haruna-Machi, JP;
Takuo Kodaira, Nakamuroda Haruna-Machi, JP;
Toru Fujii, Nakamuroda Haruna-Machi, JP;
Mamoru Uchida, Nakamuroda Haruna-Machi, JP;
Isao Okitsu, Nakamuroda Haruna-Machi, JP;
Takuo Kodaira, Nakamuroda Haruna-Machi, JP;
Toru Fujii, Nakamuroda Haruna-Machi, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
An optical information recording medium has light interference layers including a recording layer on a substrate. The recording layer includes an organic dye and a photostabilizer which is, for example, the compound of formula 1 wherein at least one of Rto Rrepresents a substituted alkyl group having a terminal cyano group, with the others represent other substituents; Y represents a monovalent or divalent cation; and Xrepresents a monovalent or divalent anion.