Process for preparing ethylcellulose microcapsules

Details Process for preparing ethylcellulose microcapsules Process for preparing ethylcellulose microcapsules

1981-04-09

1983-10-25

Lovering, Richard D.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

71 6411, 71DIG1, 424 19, 424 32, 424 35, 42840224, B01J 1302, A01N 2528, A61K 962

Patent

active

044119330

ABSTRACT:
A process for preparing ethylcellulose microcapsules by flocculation of the ethylcellulose is disclosed. In this process, the flocculation of the ethylcellulose is carried out in the presence of an organosilicon polymer or in the presence of said organosilicon polymer and a surfactant.

REFERENCES:
patent: 3155590 (1964-11-01), Miller et al.
patent: 3341416 (1967-09-01), Anderson et al.
patent: 3415758 (1968-12-01), Powell et al.
patent: 3531418 (1970-09-01), Fanger et al.
patent: 3943063 (1976-03-01), Morishita et al.
patent: 4218333 (1980-08-01), Samejima et al.
patent: 4220552 (1980-09-01), Hitchcock

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