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:
Apr. 12, 2011
Filed:
Apr. 03, 2008
Satoru Yamada, Kanagawa, JP;
Makoto Kamo, Kanagawa, JP;
Toshio Sasaki, Kanagawa, JP;
Fujifilm Corporation, Tokyo, JP;
Abstract
The present invention provides a holographic recording composition and a holographic recording medium comprising a recording layer formed with the holographic recording composition. The holographic recording composition comprises a bifunctional or greater isocyanate, a polyfunctional alcohol comprising a bifunctional alcohol and a trifunctional or greater alcohol, a titanocene-based radical polymerization initiator, a bifunctional or greater acrylate monomer, and an amidine salt denoted by General Formula (1). In General Formula (1), R, R, and Reach independently denote an alkyl group, aryl group, amino group, or acyl group, Rand Rmay be bonded together to form a ring, Rand Rmay be bonded together to form a ring, and Adenotes an anion.