Coating processes – Particles – flakes – or granules coated or encapsulated – Inorganic base
Patent
1974-07-01
1976-06-01
Gwinnell, Harry J.
Coating processes
Particles, flakes, or granules coated or encapsulated
Inorganic base
428375, 427221, 427227, 156623, 106109, B05D 302, D02G 300
Patent
active
039611051
ABSTRACT:
A method is provided for the manufacture of coated calcium sulfate whisker fibers wherein the calcium sulfate whisker fibers are formed in an aqueous solution at about 110.degree.-150.degree.C, dryed, and preferably fired. Thereafter the resulting fibers are treated to form a protective coating on the fibers.
REFERENCES:
patent: 1442406 (1923-01-01), Hennicke
patent: 2151331 (1939-03-01), Roberts
patent: 3410655 (1968-11-01), Ruter et al.
Eberl James Joseph
Heller Harold L.
Thelen Edmund
Certain-teed Products Corporation
Childs Sadie L.
Gwinnell Harry J.
Sites Edward J.
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