Thermal transfer printing

Details Thermal transfer printing Thermal transfer printing

1991-09-23

1993-05-04

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

052082105

ABSTRACT:
Anthraquinone dyes I useful for thermal transfer printing have the formula ##STR1## where R is alkyl, alkoxyalkyl, aryloxyalkyl, alkanoyloxyalkyl, alkoxycarbonyloxyalkyl or alkoxycarbonylalkyl, which may each contain up to 20 carbon atoms and whose carbon chains may be interrupted by form one to four oxygen atoms in ether function, or is C.sub.5 -C.sub.8 -cycloalkyl or phenyl which may each be substituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy.

REFERENCES:
patent: 4194878 (1980-03-01), Birke et al.
Patent Abstracts of Japan vol. 14, No. 13 (M-918) (3956) Jan. 11, 1990 & JP-A-1 258 996 (Mitsui Toatsu Chem Inc) Oct. 16, 1989.
Patent Abstracts of Japan, vol. 11, No. 120 (M-580) (2567) Apr. 15, 1987 & JP-A-61 262 190 (Sumitomo Chem Co Ltd) Nov. 20, 1986.
Japan Abstract, JP-028188, Feb. 17, 1984, & JP-A-172-591, Sep. 6, 1985.

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