Formulation for brightening synthetic fibers and its preparation and use
AssigneeCassella Aktiengesellschaft
InventorsFriedrich Engelhardt, Karl Hintermeier, Herbert Friedrich, Thomas Martini
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Abstract
The formulation for brightening synthetic fibers or mixtures of synthetic fibers and natural fibers, which is an aqueous dispersion comprising at least one finely divided optical brightener and a dispersing agent, wherein the improvement comprises the dispersing agent being a water-soluble or water-dispersible polyester containing at least one phosphonic acid ester moiety.
Claims15
The formulation for brightening synthetic fibers or mixtures of synthetic fibers and natural fibers, which is an aqueous dispersion comprising at least one finely divided optical brightener and a dispersing agent, wherein the improvement comprises the dispersing agent being a water-soluble or water-dispersible polyester containing at least one phosphonic acid ester moiety.
Dependencies are inferred from the claim text.