Aqueous phosphate pigment dispersions

Details Aqueous phosphate pigment dispersions Aqueous phosphate pigment dispersions

1986-11-12

1988-06-14

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106137, 106177, 106189, 106193J, 106203, 106209, 106308B, 427 3, C08L 100, C08L 500, C08L 8900

Patent

active

047509384

ABSTRACT:
This invention relates to a aqueous phosphate pigment dispersion usable for sugar or film coating tablets and the like, comprising like pigment particles, a polymeric colloid, a phosphate viscosity lowering agent which permits a higher concentration of pigment particles in the pigment suspension, and an aqueous solvent. A typical pigment suspension comprises FD&C pigment, a natural gum as the polymeric colloid, a polyphosphate as the viscosity lowering agent and water as the aqueous solvent.

REFERENCES:
patent: 2260871 (1941-10-01), Sawyer et al.
patent: 2592305 (1952-04-01), Malm et al.
patent: 3869546 (1975-03-01), Lund
patent: 3981984 (1976-09-01), Signorino
patent: 4636261 (1987-01-01), Heinze
patent: 4652313 (1987-03-01), Den Boer et al.

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