Leather-treatment agents, process for their preparation, and their use for producing low-fogging leathers

摘要

PCT No. PCT/EP97/04863 Sec. 371 Date Mar. 9, 1999 Sec. 102(e) Date Mar. 9, 1999 PCT Filed Sep. 8, 1997 PCT Pub. No. WO98/10103 PCT Pub. Date Mar. 12, 1998New leather dressing agents, which may be obtained by polymerization of a1) 70-100 wt. % acrylic acid and/or methacrylic acid and/or acid chlorides and/or anhydrides thereof with a2) 0-30 wt. % of other water-soluble monomers copolymerizable with a1), and a3) 0-20 wt. % of water-insoluble monomers copolymerizable with a1) and a2), reaction of the polymer with fatty amines, and neutralization and dispersion of the thus modified polymer, with amines not bound to the polymer optionally being reacted with (meth)acrylic acid to give N-substituted beta -aminopropionic acids, production of said leather dressing agents and their use in the manufacture of low-fogging leathers.