Yarn product and method

Claim 1

IN A PROCESS FOR PRODUCING A MODACRYLIC YARN PRODUCT CHACTERIZED BY ITS AILITY TO BE PIECE-DYED TO A SSALTAND-PEPPER TON-CONTRAST PATTERN COMPRSING SPINNING FROM A SOLUTION OF A POLYMER CONTAINING LESS THAN 85% MODACRYLIC FILAMENTS FORMED BY SAID SPINNING OF A DENIER PER FILAMENT OF ABOUT 2 TO 10 AND A TOTAL DENIER OF UP TO 6,000, AND THEN COMBINING SEPARATELY HEAT TREATED PORTIONS OF SAID MODACRYLIC FILAMENTS, THE IMPROVEMENT STEP WHICH COMPRISES DRY HEAT TREATING A FIRST PORTION OF SAID MODACRYLIC FILAMNETS IN AT LEAST ONE STAGE AT A TEMPERATURE RANGE OF 120* TO 150*C. WHILE HEAT SETTING SAID MODACRYLI FILAMENTS AND SEPARATELY DRY HEAT TREATING A SECOND PORTIN OF SAID MODACRYLIC FILAMENTS AT A SINGLE TEMPERAURE RANGE OF 90*C. TO 110*C. WHILE HEAT SETTING SAID MODACRYLIC FILAMENTS, ACCOMPLISHING SAID SEPARATE DRY HEAT TREATING OF SAID FIRST AND SECOND PORTIONS PRIOR TO SAID COMBINING, AND THEN COMBINING SAID PORTIONS OF FILAMENTS SEPARATELY DRY HEAT TREATED AS AFOREMENTIONED TO PRODUCE A YARN PRODUCT ADAPTED FOR PIECE DYEING TO A SALT-AND-PEPPER PATTERN OF SUFFICIENT TONE CONTRAST TO MINIMIZE ANY NON-UNIFOM VARIAITONS IN DYE TAKEUP.