Aqueous terpolymer sized nylon yarns

Claim 1

A METHOD OF SIZING WATER-INSOLUBLE NYLON WARM YARNS TO PREPARE THEM FOR WEAVING WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS SOLUTION COMPRISING FROM ABOUT 2 TO 15% BY WEIGHT OF A TERPOLYMER OF VINYL ACETATE, MALEIC ANHYDRIDE AND A STYRENE COMPOUND TAKEN FROM THE GROUP CONSISTING OF STYRENE, ALPHA ALKYL STYRENES, ALPHA CHLOROSTYRENE, RING-SUBSTITUTED MONO- AND DI-ALKYL AND CHLOROSTYRENES, AND DIALKYL STYRENES IN WHICH ONE ALKYL GROUPS IS IN THE ALPHA POSITION, SAID ALKYL GROUPS CONTAINING FROM 1 TO 4 CARBON ATOMS, THE MOL PERCENT RATIO OF VINYL ACETATE TO MALEIC ANHYDRIDE VARYING FROM 52:48 TO 50:50 AND THE MOL PRECENT RATIO OF STYRENE COMPOUND RANGING FROM 1.8 TO 4 IN THE TERPOLYMER, SAID SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT FROM ABOUT 0.5 TO 10% BY WEIGHT, BASED ON THE DRY YARNS, OF SAID TERPOLYMER, AND THEN DRYING SAID YARNS.

Claim 2

A METHOD OF SIZING WATER-INSOLUBLE NYLON WARM YARNS TO PREPARE THEM FOR WEAVING WHICH COMPRISES TREATING SAID YARNS WITH AN AQUEOUS SOLUTION COMPRISING FROM ABOUT 2 TO 15% BY WEIGHT OF A TERPOLYMER OF VINYL ACETATE, MALEIC ANHYDRIDE AND A STYRENE COMPOUND TAKEN FROM THE GROUP CONSISTING OF STYRENE, ALPHA ALKYL STYRENES, ALPHA CHLOROSTYRENE, RING-SUBSTITUTED MONO- AND DI-ALKYL AND CHLOROSTYRENES, AND DIALKYL STYRENES IN WHICH ONE ALKYL GROUPS IS IN THE ALPHA POSITION, SAID ALKYL GROUPS CONTAINING FROM 1 TO 4 CARBON ATOMS, THE MOL PERCENT RATIO OF VINYL ACETATE TO MALEIC ANHYDRIDE VARYING FROM 52:48 TO 50:50 AND THE MOL PRECENT RATIO OF STYRENE COMPOUND RANGING FROM 1.8 TO 4 IN THE TERPOLYMER, SAID SOLUTION BEING SUPPLIED IN AN AMOUNT SUFFICIENT TO DEPOSIT FROM ABOUT 0.5 TO 10% BY WEIGHT, BASED ON THE DRY YARNS, OF SAID TERPOLYMER, AND THEN DRYING SAID YARNS.