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Title:
PHOTOCHROMIC COMPOSITION, IMAGE DISPLAY MEDIUM, IMAGE FORMING APPARATUS, AND IMAGE ERASER
Document Type and Number:
Japanese Patent JP2008165074
Kind Code:
A
Abstract:

To provide an image display medium in which an image formed by light irradiation has satisfactory stability to light.

The image display medium has a display layer formed from a composition containing a photochromic compound of general formula (1) and a long-chain alkyl compound.


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Inventors:
SHINODA MASAHITO
TAKAHASHI HIROYUKI
Application Number:
JP2006356585A
Publication Date:
July 17, 2008
Filing Date:
December 28, 2006
Export Citation:
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Assignee:
RICOH KK
International Classes:
G03C1/685; G03C5/56
Domestic Patent References:
JPH01226387A1989-09-11
JPH05204102A1993-08-13
JPH0572668A1993-03-26
JP2006023737A2006-01-26
Attorney, Agent or Firm:
Torii Hiroshi



 
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