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:
Oct. 13, 2009
Filed:
Mar. 28, 2006
Applicants:
Rumiko Hayase, Yokohama, JP;
Akiko Hirao, Chiba, JP;
Kazuki Matsumoto, Kawasaki, JP;
Norikatsu Sasao, Tokyo, JP;
Inventors:
Rumiko Hayase, Yokohama, JP;
Akiko Hirao, Chiba, JP;
Kazuki Matsumoto, Kawasaki, JP;
Norikatsu Sasao, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A holographic recording medium has a recording layer including a radical-polymerizable compound, a first photo-radical polymerization initiator (A) containing a titanocene compound, and a second photo-radical polymerization initiator (B) containing at least one compound selected from the group consisting of an amino acetophenone derivative, an acylphosphine oxide derivative, a benzyl derivative, and a thioxanthone derivative.