Heat transfer cover films

Details Heat transfer cover films Heat transfer cover films

1996-01-19

1998-03-17

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Plural colors or plural diverse systems

427152, 428195, 428336, 428480, 428484, 4284884, 428500, 428913, 428914, 503227, B41M 5035, B41M 538

Patent

active

057286450

ABSTRACT:
A heat transfer sheet comprising a polyester film substrate sheet, an adhesive layer formed on one surface of the substrate sheet by applying the adhesive layer to the substrate sheet and biaxially stretching both the layer and the sheet simultaneously, and at least two heat transfer layers formed on said adhesive layer, a first layer comprising a thermally migratable dye and an untransferable binder, and second layer comprising a dyed or pigmented, heat-meltable binder.

REFERENCES:
patent: 3957694 (1976-05-01), Bolon et al.
patent: 4218294 (1980-08-01), Brack
patent: 4484204 (1984-11-01), Yamamoto et al.
patent: 4522881 (1985-06-01), Kobayashi et al.
patent: 4545838 (1985-10-01), Minkus et al.
patent: 4704310 (1987-11-01), Tighe et al.
patent: 5064807 (1991-11-01), Yoshida et al.
patent: 5244234 (1993-09-01), Oshima et al.

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