Disposable reversible thermometer

Details Disposable reversible thermometer Disposable reversible thermometer

1980-01-07

1981-11-10

Gron, Teddy S.

Compositions

Nonreactive analytical, testing, or indicating compositions

23230R, 73356, 73358, 116207, 116217, C09K 300, G01K 1106, G01K 1108, G01K 1112, G01K 1116

Patent

active

042997275

ABSTRACT:
A new and useful composition of matter is disclosed, having one utility for use in a disposable, reversible thermometer. The novel composition of matter comprises (1) a suitable heat-sensitive composition (for example, as described in U.S. Pat. No. 4,232,552); (2) a suitable matrix-forming amorphous material; and (3) a suitable film-forming material that is more crystalline than the matrix-forming amorphous compound. Preferably, the composition also contains a solubilizing compound.

REFERENCES:
patent: 2261473 (1941-11-01), Jennings
patent: 2269038 (1942-01-01), Perry
patent: 3465590 (1969-09-01), Kluth et al.
patent: 3946612 (1976-03-01), Saci et al.
patent: 3956153 (1976-05-01), Chadha
patent: 3980581 (1976-09-01), Godset, Jr. et al.
patent: 4150572 (1979-04-01), Lindquist
patent: 4154106 (1979-05-01), Inoue et al.
patent: 4232552 (1980-11-01), Hof et al.

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