Transfer powder marking method using a core-shell powder compris

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

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Details

428407, 430111, 525936, 524500, 524513, 524601, B32B 516, B32B 2700

Patent

active

043931120

ABSTRACT:
A method for marking employing a novel marking agent is disclosed wherein the marking agent is composed of a fine powder containing about 30 to 75% by volume of an ingredient which is insoluble in a solvent used to fix the marking agent.

REFERENCES:
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patent: 4105572 (1978-08-01), Gorondy
patent: 4155883 (1979-05-01), Oguchi
patent: 4187329 (1980-02-01), Crooks
patent: 4187774 (1980-02-01), Iwasa
patent: 4192232 (1980-03-01), Kato
patent: 4242434 (1980-12-01), Hirakura
patent: 4254201 (1981-03-01), Sawai
patent: 4262078 (1981-04-01), Ishida

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