Magenta dye developers

Details Magenta dye developers Magenta dye developers

1980-04-24

1983-05-31

Love, Ethel G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

430224, C07D31182

Patent

active

043862160

ABSTRACT:
Diffusion transfer color processes and products are disclosed employing image-dye providing materials providing magenta image dyes having the chromophoric system represented by the formula ##STR1## wherein each R is the same or different and is an alkyl group, and each X is the same or different and is hydrogen or an alkyl group (including substituted alkyl). The dye image-providing material includes a diffusion control moiety, such as a hydroquinonyl group, and may be diffusible or nondiffusible as a function of the diffusion control moiety.

REFERENCES:
patent: 3022316 (1962-02-01), Bestian et al.
patent: 3772335 (1973-11-01), Meininger et al.
patent: 3956300 (1976-05-01), Austin et al.
patent: 4076529 (1978-02-01), Fleckenstein et al.
patent: 4264506 (1981-04-01), Borror et al.
patent: 4264507 (1981-04-01), Borror et al.
Meininger et al., Chem. Abst., vol. 75, Abst. 65296u, (1971), (Abst. of Ger. Offen. 1,955,849).
Venkataraman, The Chemistry of Synthetic Dyes, vol. VIII, pp. 331 to 381, Academic Press, NY, (1978).

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