07571695 is referenced by 17 patents and cites 49 patents.

Freeze indicators providing a visual indication of exposure of the freeze indicator to a freezing or near-freezing temperature and their manufacture are disclosed. The freeze indicators employ colloidal dispersions as active elements and include flexible freeze indicators, freeze indicators protected against drying out and freeze indicators employing core shell composites, for example gold coated pigments as active indicator elements. Also disclosed are: a combination freeze indicator and threshold temperature indicator; a combination threshold indicator and cumulative temperature indicator; and three-way combination indicators that can provide indications of cumulative past temperature exposure, exposure to freezing temperatures and exposure to a temperature above a threshold.

Title
Freeze indicators, flexible freeze indicators and manufacturing methods
Application Number
11/750054
Publication Number
7571695 (B2)
Application Date
May 17, 2007
Publication Date
August 11, 2009
Inventor
Ray H Baughman
Dallas
TX, US
Dawn E Smith
Martinsville
NJ, US
Thaddeus Prusik
Stroudsburg
PA, US
Dene H Taylor
New Hope
PA, US
Agent
K&L Gates
Assignee
Temptime Corporation
NJ, US
IPC
G01K 11/12
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