Anti-stain finishing of polyamide-containing fibre materials, compositions therefor and polyamide-containing fibre materials thus finished
AssigneeBayer Aktiengesellschaft
InventorsKlaus Walz, Udo Winfried Hendricks, Hans-Albert Ehlert
Life of this patent
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Abstract
Polyamide-containing fibre materials can be given an anti-stain finish by treating them with a sulpho-containing aromatic formaldehyde condensation product in combination with polyacrylic acid, the treatment with the two components being carried out in any desired order or simultaneously.
Claims17
A process for the anti-stain finishing of polyamide-containing fibre materials, which comprises applying to said materials a ready-prepared mixture of a sulpho-containing aromatic formaldehyde condensation product along with the application of a polyacrylic acid, the application of the formaldehyde condensation product and the application of the polyacrylic acid being carried out in any desired order or simultaneously.
Dependencies are inferred from the claim text.