Method of preparing microcapsules

Details Method of preparing microcapsules Method of preparing microcapsules

1995-03-06

1997-02-18

Nagumo, Mark

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

264 47, 430137, 430138, B01J 1316

Patent

active

056039867

ABSTRACT:
A method of preparing microcapsules includes the steps of preparing a block polymer having a block of a hydrophobic repeating unit and a block of a hydrophilic repeating unit, and employing the block polymer as a protective colloid for preparing microcapsules in a nonaqueous medium by interfacial polymerization.

REFERENCES:
patent: 4087581 (1978-05-01), Vincent et al.
patent: 4385164 (1983-05-01), Sinclair et al.
patent: 5049322 (1991-09-01), Devissaguet et al.
patent: 5277979 (1994-01-01), Kielbania et al.
patent: 5433953 (1995-07-01), Tsuei et al.

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