Title:
HYGROCHROMIC/THERMOCHROMIC COMPOSITION AND HYGROCHROMIC/THERMOCHROMIC INDICATOR
Document Type and Number:
WIPO Patent Application WO/2013/069715
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a hygrochromic/thermochromic composition and hygrochromic/thermochromic indicator that are useful for detecting heat and humidity conditions and also make it possible to check for the progress and completion of a sterilization treatment according to the extent of color change. The means by which the invention solves the problem is a hygrochromic/thermochromic composition containing a bismuth compound, a sulfur compound, a binder, and an organic solvent, the hygrochromic/thermochromic composition being characterized in further containing phosphoric acid and/or phosphate ester; and a hygrochromic/thermochromic indicator.
Inventors:
SOEJIMA SAKIKO (JP)
Application Number:
PCT/JP2012/078915
Publication Date:
May 16, 2013
Filing Date:
November 08, 2012
Export Citation:
Assignee:
SAKURA COLOR PROD CORP (JP)
SOEJIMA SAKIKO (JP)
SOEJIMA SAKIKO (JP)
International Classes:
C09K3/00; A61L2/26; C08K3/00; C08K5/098; C08K5/36; C08K5/521; C08L101/00; C09D11/00; G01N31/22
Foreign References:
| CN1396451A | 2003-02-12 | |||
| JP2006104346A | 2006-04-20 | |||
| US20110312096A1 | 2011-12-22 |
Attorney, Agent or Firm:
SAKURA COLOR PRODUCTS CORPORATION (JP)
SAKURA COLOR PRODUCTS CORP. (JP)
SAKURA COLOR PRODUCTS CORP. (JP)
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