Stabilized natural pigment complexes

Details Stabilized natural pigment complexes Stabilized natural pigment complexes

1985-05-01

1987-10-13

Morris, Theodore

Compositions: coating or plastic

Materials or ingredients

C04B 1400

Patent

active

046996648

ABSTRACT:
Processes for the preparation of natural pigment complexes which have improved stability against oxygen, heat, light and moisture and which are soluble in aqueous media at acidic pH conditions are disclosed. The pigment complexes produced by these processes are also disclosed.

REFERENCES:
patent: 4034764 (1977-07-01), Rainer et al.
patent: 4202908 (1980-05-01), Nesmeyanov et al.
patent: 4274830 (1981-06-01), Woznicki et al.
patent: 4339451 (1982-07-01), Albaum et al.
patent: 4375481 (1983-03-01), Kuwabara et al.
patent: 4431628 (1984-02-01), Gaffar

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