Method of protecting pigments with transparent crystalline zirco

Details Method of protecting pigments with transparent crystalline zirco Method of protecting pigments with transparent crystalline zirco

1982-09-08

1984-11-13

McCarthy, Helen M.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106292, 106293, 106299, 106301, 106302, 423326, 501 14, 501 17, C09C 306

Patent

active

044823908

ABSTRACT:
Pigments which are unstable at high temperatures are protected by inclusion in zirconium silicate crystals. Improved protected pigments are produced by the step of precipitating the constituents of the protected pigments from aqueous or non-aqueous solution. Especially applicable to pigments for ceramics such as those containing cadmium and pigments for use in plastics where contamination of foodstuffs is to be avoided.

REFERENCES:
patent: 3802900 (1974-04-01), Broll et al.
patent: 3808019 (1974-04-01), Spange et al.
patent: 3847639 (1974-11-01), Broll et al.
patent: 3888688 (1975-06-01), Broll et al.
patent: 4008091 (1977-02-01), Wagner et al.

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