US PATENT SUBCLASS 427 / 213.36
.~.~ Solid-walled microcapsule formed from preformed synthetic polymer

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

212  DF  PARTICLES, FLAKES, OR GRANULES COATED OR ENCAPSULATED {5}
213.3  DF  .~ Solid encapsulation process utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome) {4}
213.36.~.~ Solid-walled microcapsule formed from preformed synthetic polymer

DEFINITION

Classification: 427/213.36

Solid-walled microcapsule formed from preformed synthetic polymer:

(under subclass 213.3) Subject matter wherein the microencapsulation process employed a polymer which was not prepared in situ.