US PATENT SUBCLASS 264 / 4.33
.~.~.~ Microcapsule wall derived from synthetic polymer

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

4  DF  ENCAPSULATING NORMALLY LIQUID MATERIAL {1}
4.1  DF  .~ Liquid encapsulation utilizing an emulsion or dispersion to form a solid-walled microcapsule (includes liposome) {4}
4.3  DF  .~.~ With treatment subsequent to solid wall formation (e.g., coating, hardening, etc.) {2}
4.33.~.~.~ Microcapsule wall derived from synthetic polymer

DEFINITION

Classification: 264/4.33

Microcapsule wall derived from synthetic polymer:

(under subclass 4.3) Subject matter wherein the microencapsulation process produces a wall derived from a synthetic polymer which was prepared either prior to or during the process.