US PATENT SUBCLASS 264 / 425
.~.~ Polymerizing, cross-linking, or curing

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

405  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO WORK (E.G., ELECTROMAGNETIC WAVE, PARTICULATE, MAGNETIC, INDUCTION HEAT, SONIC, ELECTROSTATIC ENERGY, ETC.) {26}
413  DF  .~ Producing or treating porous product {5}
425.~.~ Polymerizing, cross-linking, or curing

DEFINITION

Classification: 264/425

Polymerizing, cross-linking, or curing:

(under subclass 413) Processes wherein the material used to produce or treat the porous product is caused to polymerize, cross-link, or cure.

(1) Note. Properly classified herein are documents claiming the following terms. a. cross-linking b. curing c. addition polymerization d. condensation polymerization e. block or graft polymerization. This list is not intended to be exhaustive and is not limited to the above examples.

SEE OR SEARCH THIS CLASS, SUBCLASS:

459, for blow molding processes wherein polymerization occurs.

463, for uniting particles to form articles wherein polymerization occurs.

477, for extrusion molding processes wherein polymerization occurs.

494, for processes wherein polymerization occurs utilizing directly applied electrical or wave energy.