US PATENT SUBCLASS 442 / 73
.~.~.~.~ At least one coating or impregnation functions to fix pigments or particles on the surface of a coating or impregnation

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}
64  DF  .~ Two or more non-extruded coatings or impregnations {3}
71  DF  .~.~ At least two coatings or impregnations of different chemical composition {1}
72  DF  .~.~.~ At least one coating or impregnation contains particulate material {1}
73.~.~.~.~ At least one coating or impregnation functions to fix pigments or particles on the surface of a coating or impregnation

DEFINITION

Classification: 442/73

At least one coating or impregnation functions to fix pigments or particles on the surface of a coating or impregnation:

(under subclass 72) Subject matter wherein at least one coating or impregnation has pigments or particles on its surface.