Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1978-05-25
1980-02-12
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
8 4, 8 25, 73356, 116207, 428209, 428344, 428354, 428913, 428207, B32B 314, G01K 1112
Patent
active
041884370
ABSTRACT:
Adhesive tapes which change color in the presence of water or steam at elevated temperature are provided which are useful as sterilization indicators. The tapes comprise an adhesive layer and a polymeric base film containing on one surface thereof a coating of a thermotropic ink comprising a binder resin, a colorant which undergoes a color change in the presence of water or steam at elevated temperature, and a solvent for said binder resin and colorant.
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American Can Company
Auber Robert P.
Bartlett Ernestine C.
Dorman Ira S.
Hess Bruce H.
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