US PATENT SUBCLASS 264 / 4.4
.~.~ Solid-walled microcapsule formed by cooling molten materials

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}
4.4.~.~ Solid-walled microcapsule formed by cooling molten materials

DEFINITION

Classification: 264/4.4

Solid-walled microcapsule formed by cooling molten materials:

(under subclass 4.1) Subject matter wherein solid wall formation is obtained by solidifying molten material by cooling below the melting point or range of the material.