Antistatic treatment of hydrophobic textile material

Claim 1

IN A PROCESS OF TREATING A TEXTILE MATERIAL, THE STEPS OF APPLYING TO SAID MATERIAL AN AQUEOUS BATH CONTAINING A POLYMERIC AMINO SUBSTITUTED ESTER ESSENTIALLY CONSISTING OF RECURRING RADICALS OF AT LEAST ONE ALIPHATIC DICARBOXYLIC ACID HAVING FROM 4 TO 10 CARBON ATOMS, RECURRING RADICALS OF AN ALIPHATIC COMPOUND BEARING TWO HYDROXYL RADICALS AND SELECTED FROM THE GROUP CONSISTING OF ALKYLENE GLYCOLS AND POLYALKYLENE GLYCOLS, AND AT LEAST ONE AMINO RADICAL SELECTED FROM TTHE GROUP CONSISTING OF PRIMARY, SECONDARY, AND TERTIARY AMINO RADICALS ATTACHED DIRECTLY TO A CARBON ATOM OF A RADICAL OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC DIBASIC ACIDS AND ALIPHATIC MONOBASIC ACIDS, SAID ACID BEING ESTERIFIED WITH THE AFORESAID ALIPHATIC COMPOUND BEARING TWO HYDROXYL GROUPS; SAID BATH FURTHER CONTAINING A CROSS-LINKING AGENT SELECTED FROM THE GROUP CONSISTING OF DIHALIDES OF ALKYLENE AND POLYALKYLENE GLYCOLS, ALKYLENE DIBROMIDE BIS CHLOROMETHYL NAPHTHALENE, AND EPOXIDES OF DIHYDROXY AND POLYHYDROXY COMPOUNDS, SAID POLYMERIC AMINO SUBSTITUTED ESTER AND SAID CROSS-LINKING AGENT BEING PRESENT IN THE BATH IN A WEIGHT RATIO FROM ABOUT 9:1 TO ABOUT 1:1 AND SAID BATH CONTAINING, BY WEIGHTT, A TOTAL OF POLYMERIC AMINO ESTER AND CROSS-LINKING AGENT OF FROM ABOUT 1% TO ABOUT 50%; AND SUBSEQUENTLY DRYING AND HEATING THE TEXTILE MATERIAL HAVING SAID BATH APPLIED THERETO AT AN ELEVATED TEMPERATURE UNTIL SAID POLYMERIC AMINO SUBSTITUTED ESTER AND SAID CROSS-LINKING AGENT REACT TO FORM A COMPOUND ON SAID TEXTILE MATERIAL DURABLE TO LAUNDERING.