发明名称 |
TEMPERATURE-SENSITIVE INDICATOR |
摘要 |
A temperature-indicator product comprising a visual indicator comprising a thermochromic colour-memory composition and comprising an electron-donating colouring organic compound (A), an electron-accepting colouring organic compound (B) and reaction medium compound (C). The visual indicator comprises a first portion comprising a first thermochromic colour-change composition in its lower temperature state and a second portion comprising a second thermochromic colour-change composition in its higher temperature state. The product is useful as a tamper-evident indicator or as a freeze indicator. |
申请公布号 |
WO2017036604(A1) |
申请公布日期 |
2017.03.09 |
申请号 |
WO2016EP01495 |
申请日期 |
2016.09.05 |
申请人 |
THERMOGRAPHIC MEASUREMENTS LTD |
发明人 |
SHIVKUMAR, Bagavant;MARREC, Philippe |
分类号 |
B41M5/30;C09B67/02;C09D11/50 |
主分类号 |
B41M5/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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