Thermally responsive indicator with organic retaining means

Details Thermally responsive indicator with organic retaining means Thermally responsive indicator with organic retaining means

1994-04-29

1996-07-23

Gutierrez, Diego F. F.

Signals and indicators

Indicators

Temperature responsive or compensating means

116217, 116281, 116283, 2524081, 99342, G01K 1106, G01K 102

Patent

active

055379508

ABSTRACT:
An indicator is disclosed for providing an indication that a food item has attained a predetermined temperature. The indicator comprises a barrel having a cavity wherein a plunger is disposed in a retracted position using a retaining material. The retaining material melts when a predetermined temperature is reached releasing the plunger towards an extended position. The retaining material comprises (1) a fatty ketone and (2) at least one other organic compound selected from the group consisting of fatty amides and fatty anilides.

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