Device for measuring temperature using co-crystallized acetyleni

Details Device for measuring temperature using co-crystallized acetyleni Device for measuring temperature using co-crystallized acetyleni

1978-11-13

1980-11-25

Turer, Richard B.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

116206, 116207, 250474, 252300, 252408, 20415911, 20415922, 20415914, 426 88, 73355R, 252600, G01K 1112, G01K 1120

Patent

active

042351081

ABSTRACT:
A composition is described comprising at least two co-crystallized acetylenic compounds, of different chemical structures, each containing at least one --C.tbd.C--C.tbd.C-- group and substituents selected from the group consisting of sulfonate, urethane and alcohol radicals, at least one of the compounds capable of undergoing a contrasting color change upon exposure to actinic radiation or thermal annealing, wherein the composition exhibits a substantially different thermogram than the sum of thermograms of the individual components as obtained by differential scanning calorimetry.
A device is also described useful for measuring the time-temperature or radiation-dosage history of an article comprising a substrate having deposited thereon the described composition.
A process is also described for producing the composition of this invention.

REFERENCES:
patent: 3065283 (1962-11-01), Happel et al.
patent: 3501297 (1970-03-01), Cremeans
patent: 3501303 (1970-03-01), Foltz et al.
patent: 3501308 (1970-03-01), Adelman
patent: 3723121 (1973-03-01), Hauser
patent: 3811895 (1974-05-01), Ehrlich
patent: 3822134 (1974-07-01), Rasch et al.
patent: 3999946 (1976-12-01), Patel et al.

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