Recorders – Record receiver deforming
Patent
1984-09-04
1986-07-22
Hess, Bruce H.
Recorders
Record receiver deforming
3461351, 346202, 346204, 346218, 346226, 427 431, 427 531, 427 561, 428913, 430348, 430349, 430363, 430945, 430964, B41M 526
Patent
active
046022635
ABSTRACT:
A thermal imaging method for forming color images is provided which relies upon the irreversible unimolecular fragmentation of one or more thermally unstable carbamate moieties of an organic compound to effect a visually discernible color shift from colorless to colored, from colored to colorless or from one color to another.
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Kosar, J., "Light-Sensitive Systems", pp. 402-419.
Borror Alan L.
Ellis Ernest W.
McGowan Donald A.
Hess Bruce H.
Polaroid Corporation
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