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1 340 825 documents amended

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EP 0646651 A2 19950405 - Method for improving leather treatment.

Title (en)

Method for improving leather treatment.

Title (de)

Verfahren zur Verbesserung der Lederbehandlung.

Title (fr)

Procédé pour améliorer le traitement du cuir.

Publication

EP 0646651 A2 19950405 (EN)

Application

EP 94306833 A 19940919

Priority

US 12587693 A 19930923

Abstract (en)

A method of using a dispersion of a selected amphiphilic copolymer formed from a predominant amount of at least one hydrophobic monomer and a minor amount of at least one copolymerizable hydrophilic monomer in the pretanning and tanning step improves moisture release in the wringing step and improves thickness adjustment in the splitting and shaving steps of leather treatment is disclosed.

IPC 1-7

C14C 3/22

IPC 8 full level

C14C 3/22 (2006.01)

CPC (source: EP)

C14C 3/22 (2013.01)

Designated contracting state (EPC)

DE ES GB IT NL

DOCDB simple family (publication)

EP 0646651 A2 19950405; EP 0646651 A3 19960918; AU 684529 B2 19971218; AU 7307094 A 19950406; BR 9403821 A 19950523; CN 1046959 C 19991201; CN 1109509 A 19951004

DOCDB simple family (application)

EP 94306833 A 19940919; AU 7307094 A 19940920; BR 9403821 A 19940922; CN 94116442 A 19940923