Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1975-11-12
1977-12-20
Coughenour, Clyde I.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
101470, 156241, 427248H, D06P 300
Patent
active
040638782
ABSTRACT:
A method for imprinting permanent indicia on backsized pressure-sensitive adhesive tapes comprising contacting the tape with a heat-sublimable dye source material in conjunction with a stencil or raised relief-imaged heat-conductive platen, and raising the temperature to a point sufficient to vaporize the dye, whereupon at least a portion of the dye penetrates through the backsizing to become absorbed in the flexible tape backing. In this manner, the image contained on the tape is permanent, smudge-proof and abrasion-resistant.
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Alexander Cruzan
Chernivec Gerald F.
Coughenour Clyde I.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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