Title:
THERMAL HISTORY DISPLAY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2015/045799
Kind Code:
A1
Abstract:
The present invention provides a thermal history display material capable of accurately displaying a thermal history (temperature-time history) of an article by a change in hue even when exposed to ultraviolet rays. The present invention is a thermal history display material characterized by including a thermal history display layer in which an associated fluorescent dye having fluorescence wavelengths which differ between an excimer state and a monomer state is fixed in a specific molecular dispersion state, and by including an outside resin layer having UV absorbing properties on at least one side of the thermal history display layer.
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Inventors:
NISHIDA MITSUO (JP)
TOGAWA KEIICHIRO (JP)
NARUSAWA HARUHIKO (JP)
TSUJII YASUHITO (JP)
TOGAWA KEIICHIRO (JP)
NARUSAWA HARUHIKO (JP)
TSUJII YASUHITO (JP)
Application Number:
PCT/JP2014/073489
Publication Date:
April 02, 2015
Filing Date:
September 05, 2014
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
G01K11/16; C09K9/02; G09F3/02
Domestic Patent References:
| WO2011125837A1 | 2011-10-13 |
Foreign References:
| JP2009300986A | 2009-12-24 | |||
| JP2010261728A | 2010-11-18 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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