US PATENT SUBCLASS 442 / 160
.~.~.~ Coating or impregnation contains aldehyde or ketone condensation product


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

59  DF  COATED OR IMPREGNATED WOVEN, KNIT, OR NONWOVEN FABRIC WHICH IS NOT (A) ASSOCIATED WITH ANOTHER PREFORMED LAYER OR FIBER LAYER OR, (B) WITH RESPECT TO WOVEN AND KNIT, CHARACTERIZED, RESPECTIVELY, BY A PARTICULAR OR DIFFERENTIAL WEAVE OR KNIT, WHEREIN THE COATING OR IMPREGNATION IS NEITHER A FOAMED MATERIAL NOR A FREE METAL OR ALLOY LAYER {36}
152  DF  .~ Coated or impregnated natural fiber fabric (e.g., cotton, wool, silk, linen, etc.) {1}
153  DF  .~.~ Coated or impregnated cellulosic fiber fabric {7}
160.~.~.~ Coating or impregnation contains aldehyde or ketone condensation product {3}
161  DF  .~.~.~.~> Phenol-aldehyde condensate
162  DF  .~.~.~.~> Melamine-aldehyde condensate
163  DF  .~.~.~.~> Amide-aldehyde condensate (e.g., modified urea-aldehyde condensate, etc.)


DEFINITION

Classification: 442/160

Coating or impregnation contains aldehyde or ketone condensation product:

(under subclass 153) Subject matter wherein the coating or impregnation comprises a product resulting from the condensation of an aldehyde or a ketone.