Document Type and Number:
Japanese Patent JPS6115103
Kind Code:
B2
Abstract:
Red colors having the anthraquinone structure are disclosed wherein R1 and R2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, and R3 and R4 are independently selected from hydrogens, alkyls and alkylsulfonates. Precursors are disclosed as well. In a preferred embodiment R4 is an alkyl-containing polymer linking a plurality of anthraquinones into a polymeric colorant especially useful as a nonabsorbable colorant for edibles.
Inventors:
REONAADO EI BUUNZU
Application Number:
JP15157277A
Publication Date:
April 22, 1986
Filing Date:
December 16, 1977
Export Citation:
Assignee:
DYNAPOL CORP
International Classes:
A23L1/275; C09B1/20; C09B5/14; C09B69/10