Method of encapsulating particles and the resultant product

Details Method of encapsulating particles and the resultant product Method of encapsulating particles and the resultant product

1974-06-04

1976-03-23

Husack, Ralph

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

106298, 106308B, 106309, 427212, 427215, 427216, 427343, 427372, 428404, B32B 900, B32B 1502

Patent

active

039461343

ABSTRACT:
A protective coating consisting of an aluminum or magnesium phosphate complex is used to encapsulate a wide variety of organic and inorganic particles. The coating is particularly applicable to organic and inorganic pigments and serves to improve the light, heat and chemical stability of these pigments. The coating is formed in situ by complexing the phosphate with the metal, preferably in the presence of ions of fluoride or fluoborate and depositing the same onto the surface of the particles.

REFERENCES:
patent: 2251869 (1941-08-01), Gamble et al.
patent: 2668776 (1954-02-01), Miller
patent: 3276892 (1966-10-01), Pitrol
patent: 3370971 (1968-02-01), Linton
patent: 3434857 (1969-03-01), Seelig
patent: 3650783 (1972-03-01), Yates
patent: 3767455 (1973-10-01), Claridge et al.

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