CA875104A - Composition for determining whether material has been exposed to temperatures above a predetermined range - Google Patents

Composition for determining whether material has been exposed to temperatures above a predetermined range

Info

Publication number
CA875104A
CA875104A CA875104A CA875104DA CA875104A CA 875104 A CA875104 A CA 875104A CA 875104 A CA875104 A CA 875104A CA 875104D A CA875104D A CA 875104DA CA 875104 A CA875104 A CA 875104A
Authority
CA
Canada
Prior art keywords
exposed
composition
determining whether
predetermined range
temperatures above
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
CA875104A
Inventor
C. Bhiwandker Nutan
Wachs Harvey
Hirsch Arthur
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.)
Canadian Technical Tape Ltd
Original Assignee
Canadian Technical Tape Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canadian Technical Tape Ltd filed Critical Canadian Technical Tape Ltd
Application granted granted Critical
Publication of CA875104A publication Critical patent/CA875104A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/229—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating time/temperature history
CA875104A 1968-03-01 1968-03-01 Composition for determining whether material has been exposed to temperatures above a predetermined range Expired CA875104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA13775 1968-03-01

Publications (1)

Publication Number Publication Date
CA875104A true CA875104A (en) 1971-07-06

Family

ID=4084070

Family Applications (1)

Application Number Title Priority Date Filing Date
CA875104A Expired CA875104A (en) 1968-03-01 1968-03-01 Composition for determining whether material has been exposed to temperatures above a predetermined range

Country Status (1)

Country Link
CA (1) CA875104A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586294A1 (en) * 1985-08-13 1987-02-20 Florensuc Device for checking that the cold chain for a frozen product is maintained

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586294A1 (en) * 1985-08-13 1987-02-20 Florensuc Device for checking that the cold chain for a frozen product is maintained

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