Process of treating fabrics to render them oil- and water-repellent

Claim 1

IN THE PROCESS OF TREATING TEXTILE FABRIC WITH A DILUTE TREATMENT BATH COMPRISING (A) A FLUOROALKYL-CONTAINING POLYMERIC COMPOSITION TO IMPART OIL- AND WATER-REPELLENCY, AND (B) A COMPOSITION COMPRISING (1) A WAX AND A MEMBER OF THE GROUP CONSISTING OF (2) THE ACETIC ACID SALT OF A CONDENSATION PRODUCT OF HEXAMETHYLOLMELAMINE, STEARIC ACID, AND TRIETHANOLAMINE AND (3) A COPOLYMER OF 2-(DIETHYLAMINO) ETHYL METHACRYLATE AND OCTADECYL METHACRYLATE AS A WATER REPELLENT, THE IMPROVEMENT WHICH CONSISTS OF ADDING TO THE DILUTE TREATMENT BATH, WITH AGIATION, A 5% TO 15% AQUEOUS SOLUTION OF A MIXTURE CONSISTING OF (A) 60 TO 75 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF (I) SODIUM C12 TO C16 ALKYL SULFATES AND (II) THE SODIUM SALT OF A SULFATED C16 TO C18 ALKENYL ACETATE AND (B) 40 TO 25 PARTS BY WEIGHT OF A CONDENSATION PRODUCT OF 10 TO 20 MOLES OF ETHYLENE OXIDE AND 1 MOLE OF A MEMBER OF THE GROUP CONSISTING OF C16 TO C18 ALKENYL ALCOHOL AND P-NONYLPHENIOL TO PROVIDE FROM ABOUT 15% TO ABOUT 30% BY WEIGHT OF SAID MIXTURE ON THE BASIS OF SAID FLUOROALKYL-CONTAINING POLYMERIC COMPOSITION AND IMPREGNATING THE FABRIC WITH THE RESULTANT TREATMENT BATH.