Aqueous lake pigment suspension

Details Aqueous lake pigment suspension Aqueous lake pigment suspension

1984-10-24

1987-03-24

Yarbrough, Amelia B.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

106 23, 106 25, 106308C, 106137, 106208, 106209, 424474, C09D 310

Patent

active

046523138

ABSTRACT:
This invention relates to a pigment suspension usable for film coating tablets and the like, comprising lake pigment particles, a polymeric colloid, a viscosity lowering agent, which permits a higher concentration of pigment particles in the pigment suspension, and an aqueous solvent. A typical pigment suspension comprises a lake pigment, titanium dioxide, a natural gum, sodium tartrate, and water.

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patent: 4301020 (1981-11-01), Johnson, Jr. et al.
patent: 4497847 (1985-02-01), Kurihara et al.
patent: 4525345 (1985-06-01), Dunn et al.

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