US PATENT SUBCLASS 442 / 252
.~.~.~.~ Phenolic resin

Current as of: June, 1999
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442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

181  DF  WOVEN FABRIC (I.E., WOVEN STRAND OR STRIP MATERIAL) {13}
239  DF  .~ Woven fabric including an additional woven fabric layer {4}
246  DF  .~.~ Three or more fabric layers {6}
251  DF  .~.~.~ Woven fabric layers impregnated with a thermosetting resin {2}
252.~.~.~.~ Phenolic resin

DEFINITION

Classification: 442/252

Phenolic resin:

(under subclass 251) Subject matter wherein the thermosetting resin is produced by condensing an aldehyde or ketone with a phenol or phenolate.