Supporting structure for decalcomania

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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156230, 156240, 427149, 427150, 428201, 428202, 428203, 428204, 428207, 428211, 428343, 428350, 428354, 428913, 428914, B32B 2306, C09J 702

Patent

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043991777

ABSTRACT:
A supporting structure for a decalcomania wherein the decalcomania is inserted into an aqueous solution prepared by adding a reagent to water or into a quantity of mixed aqueous solution prepared by dissolving a reagent in a quantity of suitable solvent and then mixing this solution with a quantity of water and wherein a coating (6, 3A) of a water soluble separating agent is applied over the decalcomania and wherein the dissolving speed of the coat (6, 3A) is selected to be in accordance with the reaction speed of a coloration reactant or a chromogenic substance such as a dye previously added to the coating (6, 3A) of the water soluble separating agent such that a color change will be visually present when the optimum time for transfer of the decalcomania occurs.

REFERENCES:
patent: 2216289 (1940-10-01), Asnes
patent: 2250197 (1941-07-01), Humphner
patent: 2629679 (1953-02-01), Rathke
patent: 2758035 (1956-08-01), Matthes
patent: 3274017 (1966-09-01), Borrajo
patent: 3349408 (1967-10-01), Gillen et al.

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