US PATENT SUBCLASS 442 / FOR 155
.~.~.~.~.~ Quaternary ammonium compound in impregnant (428/279)

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

327  DF  NONWOVEN FABRIC (I.E., NONWOVEN STRAND OR FIBER MATERIAL) {20}
FOR 100  DF  .~ Textile, cloth or fabric (woven, knitted, etc., or nonwoven, but not paper) (428/224) {6}
FOR 101  DF  .~.~ Embodying mechanically interengaged strands, strand-portions or strand-like strips (e.g., weave, knit, etc.) (428/225) {8}
FOR 121  DF  .~.~.~ With coating, impregnation or bond (428/245) {5}
FOR 136  DF  .~.~.~.~ Coated or impregnated base (428/260) {8}
FOR 155.~.~.~.~.~ Quaternary ammonium compound in impregnant (428/279)

DEFINITION

Classification: 442/FOR.155

Foreign art collection for a product in which the component is saturated or permeated with an extraneous material which contains an organic nitrogen compound in which the molecular structure includes a central nitrogen atom joined to four organic groups.