Polymeric red colors

Details Polymeric red colors Polymeric red colors

1979-05-17

1981-07-21

Ore, Dale R.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

424 14, 424 63, 424 70, C04B 3138, C07D22118

Patent

active

042796628

ABSTRACT:
Polymeric red colors having the structure ##STR1## wherein R.sub.1 and R.sub.2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, R.sub.3 is selected from hydrogens, alkyls and alkylsulfonates, and R.sub.4 is an alkyl-containing polymer linking a plurality (n) of anthraquinones into a polymeric colorant are disclosed to be used as nonabsorbable colorants for edibles and cosmetics. They may also be used in such substrates as lakes.

REFERENCES:
patent: 4167422 (1979-09-01), Bellanca et al.
patent: 4182885 (1980-01-01), Bunes

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