发明名称 |
Composition having regulated occurence of opacity and clarity at selected temperatures and method of making the same and also use of the composition |
摘要 |
A composition having regulated occurrence of opacity and clarity at selected temperatures; method of making and using such a composition to create a temperature-indicating device by filling the composition in a suitable container of transparent material and having a background in the form of a color, a letter or a number i.e., in order to be able to visually interpret the difference between opacity and clarity. A reversible indicating device is made which can show if the upper or lower limits of a pre-set temperature interval has been exceeded or fallen below.
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申请公布号 |
US4743557(A) |
申请公布日期 |
1988.05.10 |
申请号 |
US19860873290 |
申请日期 |
1986.06.05 |
申请人 |
TIRU, MAJ-BRITT I.;TIRU, MANDAYAM O. |
发明人 |
TIRU, MAJ-BRITT I.;TIRU, MANDAYAM O. |
分类号 |
C09K3/00;G01K3/00;G01K11/06;G01K11/12;(IPC1-7):G01K11/12 |
主分类号 |
C09K3/00 |
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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