Thermal transfer printing

Details Thermal transfer printing Thermal transfer printing

1990-03-19

1991-04-30

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428480, 428913, 428914, B41M 5035, B41M 526

Patent

active

050118137

ABSTRACT:
A thermal transfer printing sheet comprising a substrate having a coating comprising a mixture of dyes of 20-50% of Formula I and of 80-50% of Formula II. ##STR1## wherein: R.sup.1 is C.sub.1-12 -alkyl;

REFERENCES:
patent: 4808568 (1989-02-01), Gregory et al.
Patent Abstracts of Japan vol. 9, No. 152 (M-391)(1875) Jun. 27, 1985, & JP-A-60 27594 (Mitsubishi Kasei Kogyo K. K.), Feb. 12, 1985.
Patent Abstracts of Japan, vol. 10, No. 159 (M-486)(2215) Jun. 7, 1986, & JP-A-61 12393 (Mitsui Toatsu Kagaku K.K.), Jan. 20, 1986.
Patent Abstracts of Japan, vol. 12, No. 257 (M-719)(3104) Jul. 20, 1988, & JP-A-63 39380 (Mitsubishi Chem. Ind. Ltd.), Feb. 19, 1988.
European Search Report, Application No. 90 30 1765.
Annex to European Search Report, Application No. 90 30 1765.

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