MOISTURE AND THERMAL DISCOLORING COMPOSITION AND MOISTURE AND THERMAL DISCOLORING INDICATOR
PROBLEM TO BE SOLVED: To provide a moisture and thermal discoloring composition and a moisture and thermal discoloring indicator which eliminate the need for pulverization of a bismuth compound in preparing a discoloring composition and improve the problem of the bismuth compound settling over time....
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Main Author | |
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Format | Patent |
Language | English |
Published |
09.08.2012
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a moisture and thermal discoloring composition and a moisture and thermal discoloring indicator which eliminate the need for pulverization of a bismuth compound in preparing a discoloring composition and improve the problem of the bismuth compound settling over time.SOLUTION: A moisture and thermal discoloring composition contains a bismuth compound, a sulfur compound, a binder and an organic solvent, in which the bismuth compound is an organic bismuth compound of an organic solvent soluble type. |
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Bibliography: | Application Number: JP20110009979 |