US PATENT SUBCLASS 442 / 143
.~.~.~ A phosphorus containing compound and a nitrogen containing compound

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}
136  DF  .~ Coating or impregnation provides heat or fire protection {7}
141  DF  .~.~ Phosphorus containing {4}
143.~.~.~ A phosphorus containing compound and a nitrogen containing compound

DEFINITION

Classification: 442/143

A phosphorus containing compound and a nitrogen containing compound:

(under subclass 141) Subject matter wherein the coating or impregnation contains a compound comprising phosphorus and a compound comprising nitrogen.