Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Patent
1985-12-09
1988-03-08
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
8 941R, 252 857, C14C 500, C14C 1100
Patent
active
047297670
ABSTRACT:
A method and composition for fatliquoring during the leather and skin tanning process, in which an amphoteric surfactant is employed which is the condensation product of at least one C.sub.6-22 -fatty acid or corresponding ester with at least an aminoalkylalkanolamine followed by subsequent alkylation reaction with at least one vinylog compound.
REFERENCES:
patent: 2974000 (1961-03-01), Retzsch et al.
U.S. Ser. No. 485,610, filed 10-18-83 by Henkel.
Friese Hans-Herbert
Ploog Uwe
Uphues Gunter
Greenfield Mark A.
Henkel Kommanditgesellschaft auf Aktien
Lieberman Paul
McNally John F.
Millson Jr. Henry E.
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