CA899167A - Time-temperature indicator - Google Patents

Time-temperature indicator

Info

Publication number
CA899167A
CA899167A CA899167A CA899167DA CA899167A CA 899167 A CA899167 A CA 899167A CA 899167 A CA899167 A CA 899167A CA 899167D A CA899167D A CA 899167DA CA 899167 A CA899167 A CA 899167A
Authority
CA
Canada
Prior art keywords
time
temperature indicator
indicator
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA899167A
Inventor
G. Allen Michael
A. Errede Louis
R. Hannula Rodney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA899167A publication Critical patent/CA899167A/en
Expired legal-status Critical Current

Links

CA899167A Time-temperature indicator Expired CA899167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA899167T

Publications (1)

Publication Number Publication Date
CA899167A true CA899167A (en) 1972-05-02

Family

ID=36405028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA899167A Expired CA899167A (en) Time-temperature indicator

Country Status (1)

Country Link
CA (1) CA899167A (en)

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