Polymeric aminoanthrapyridine orange colors

Details Polymeric aminoanthrapyridine orange colors Polymeric aminoanthrapyridine orange colors

1978-04-28

1980-06-03

Higel, Floyd D.

Food or edible material: processes, compositions, and products

Addition of dye or pigment, including optical brightener

260144, 546 76, 525282, 525375, A23L 127, C12C 504, C09B 514

Patent

active

042062403

ABSTRACT:
Polymeric orange colors are disclosed having a noncrosslinked organic polymer backbone to which is covalently bonded a plurality of chromophores having a particular anthrapyridine structure. The colors are represented structurally as ##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 hydrogen, alkyls and alkylsulfonates; R.sub.5 is a lower alkyl or lower alkyl sulfonate and R.sub.4 is a noncrosslinked organic polymer linking a plurality (k) of said anthrapyridines into a polymeric colorant. The polymeric colorants are especially useful as nonabsorbable orange colorants for edibles.

REFERENCES:
patent: 3920855 (1975-11-01), Dawson et al.
patent: 4000118 (1976-12-01), Dawson et al.
patent: 4018826 (1977-04-01), Gless et al.
patent: 4096184 (1978-06-01), Otteson et al.

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