Composition having regulated occurence of opacity and clarity at

Details Composition having regulated occurence of opacity and clarity at Composition having regulated occurence of opacity and clarity at

1986-06-05

1988-05-10

Bashore, S. Leon

Chemistry: analytical and immunological testing

Process or composition for determination of physical state...

116207, 116216, 2524081, 422 61, 436 20, 436147, 374161, G01K 1112

Patent

active

047435577

ABSTRACT:
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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patent: 4457253 (1984-07-01), Manske
Langes Handbook of Chemistry Table 7-4, #1481, 5022, 3950, 1979.

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