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.

Date of Patent:
May. 25, 1993

Filed:

Mar. 25, 1992
Applicant:
Inventors:

Taichi Ichihashi, Osaka, JP;

Hideo Tanigawa, Ikeda, JP;

Akira Nagata, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H / ;
U.S. Cl.
CPC ...
430-2 ; 430-1 ; 430290 ;
Abstract

A holographic recording material consisting of diethylene glycol-bis(allyl carbonate), 2,2-bis[3,5-dibromo-4-(2-methacryloyloxyethoxy)phenyl]propane, and a photopolymerization initiator. A method for holographic recording, which comprises interposing the holographic recording material between two opposed surface materials, heating the interposed holographic recording material thereby solidifying the recording material and giving rise to a dry plate, and then exposing the dry plate to a coherent light.


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