Method for treating pelts and leather

US4314800A · kind A · utility

Assignee

• Rohm Co., Ltd. · JP

Inventors

• Rolf Monsheimer · Darmstadt, DE
• Ernst Pfleiderer · Weiterstadt, DE
• Werner Siol · Pfungstadt, DE
• Hanns Boessler · Darmstadt, DE
• Hans Trabitzsch · Seeheim-Jugenheim, DE

Key dates

• Filing date: Apr 8, 1981
• Grant date: Feb 9, 1982
• Expiry date: Apr 8, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C14C3/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

What is disclosed are a method for treating pelts or leather in the beamhouse, for tanning, or as an aftertreatment, which method comprises contacting said pelts or leather with an aqueous solution or dispersion of a copolymer comprising monomers of a nitrogenous ester of acrylic acid or of methacrylic acid, a further different ester of acrylic acid or of methacrylic acid, and acrylic acid or methacrylic acid, whereby portions of said copolymer are deposited in the grain layer without formation of a superficial film, and pelts and leather treated by this method.