Microcapsules and method of preparing same

Details Microcapsules and method of preparing same Microcapsules and method of preparing same

1982-09-17

1984-07-31

Lovering, Richard D.

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Polymer from ethylenic monomers only

42840224, 4272133, 424 19, B01J 1302, A61K 950, A61K 962

Patent

active

044629826

ABSTRACT:
Ethylcellulose microcapsules, wherein a polymer material which shows at least 1.2 times increase in weight by immersing it in water at 37.degree. C. is incorporated into the ethylcellulose coating walls and/or the core material thereof, are disclosed. Said ethylcellulose microcapsules show rapid release of the core material in digestive organs such as stomach.

REFERENCES:
patent: 3485914 (1969-12-01), Corn
patent: 3909444 (1975-09-01), Anderson
patent: 4205060 (1980-05-01), Monsimer
patent: 4218333 (1980-08-01), Samejima
patent: 4252786 (1981-02-01), Weiss
patent: 4341759 (1982-07-01), Bogentoft

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