Title:
フォトクロミック組成物、画像表示媒体及び画像形成装置
Document Type and Number:
Japanese Patent JP5459528
Kind Code:
B2
Abstract:
To provide a multi-color image display medium and a multi-color imaging method of a rewritable type which can form/erase an image by light, with excellent image retentivity.
A photochromic composition contains a photochromic compound expressed by general formula (1) and a long-chain alkyl compound, provided that R
COPYRIGHT: (C)2010,JPO&INPIT
Inventors:
Masato Shinoda
Hiroyuki Takahashi
Hiroyuki Takahashi
Application Number:
JP2008225120A
Publication Date:
April 02, 2014
Filing Date:
September 02, 2008
Export Citation:
Assignee:
株式会社リコー
International Classes:
C09K9/02; G03C1/73; G09F9/30; G11B7/0045; G11B7/24035; G11B7/24094; G11B7/24097; G11B7/244; G11B23/40
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Attorney, Agent or Firm:
Hidehiko Takei
Yasuo Yoshimura
Yasuo Yoshimura