Process for making microcapsules and apparatus therefor

Details Process for making microcapsules and apparatus therefor Process for making microcapsules and apparatus therefor

1991-05-07

1993-09-21

Stoll, Robert L.

Plastic and nonmetallic article shaping or treating: processes

Encapsulating normally liquid material

Liquid encapsulation utilizing an emulsion or dispersion to...

4272133, 427212, 264 4, 425 5, B01J 1304, B28B 132

Patent

active

052466361

ABSTRACT:
A process for forming microcapsules wherein the core material in the form of substantially uniform particles is projected through at least one descending curtain of encapsulating wallforming material in the form of an atomized mist of droplets so as to coat said particles with said droplets to form a substantially uniform thickness of encapsulating material and apparatus for carrying out such process.

REFERENCES:
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patent: 2594469 (1952-04-01), Mahoney
patent: 2685537 (1954-08-01), Dunmire
patent: 3015128 (1962-01-01), Somerville
patent: 3241520 (1966-03-01), Wurster et al.
patent: 3394430 (1968-07-01), Stephanoff et al.
patent: 3400011 (1968-09-01), Fox
patent: 3423489 (1969-01-01), Arens et al.
patent: 3477842 (1969-11-01), Cook et al.
patent: 4217851 (1980-08-01), Biehl et al.
patent: 4377375 (1983-03-01), Slaughter

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