Method for coating inorganic compounds in powdered form

Details Method for coating inorganic compounds in powdered form Method for coating inorganic compounds in powdered form

1974-02-01

1976-05-18

Gwinnell, Harry J.

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

428407, B05D 700

Patent

active

039580440

ABSTRACT:
A transition metal compound in powdered form or a mixture of a transition metal compound and other inorganic compounds in powdered form can be effectively coated with a polymer by contacting such powder with a vinyl monomer in the presence of hydrogen sulfite ions (HSO.sub.3 .sup.-).

REFERENCES:
patent: 2870041 (1959-01-01), Waddle et al.
patent: 2928758 (1960-03-01), Waddle et al.
patent: 3027270 (1962-03-01), Cotton
patent: 3157527 (1964-11-01), Fournet et al.
patent: 3330693 (1967-07-01), Rumberger
patent: 3448073 (1969-06-01), McManimie
patent: 3468828 (1969-09-01), Perrins et al.
patent: 3544500 (1970-12-01), Osmond et al.
patent: 3661620 (1972-05-01), Dekking

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