Global Patent Index - EP 0414117 A3

EP 0414117 A3 19911016 - PROCESS FOR THE PIGMENTATION OF LEATHER WITH A BATH

Title (en)

PROCESS FOR THE PIGMENTATION OF LEATHER WITH A BATH

Publication

EP 0414117 A3 19911016 (DE)

Application

EP 90115640 A 19900816

Priority

DE 3927471 A 19890819

Abstract (en)

[origin: EP0414117A2] Process for the bath pigmentation of leather wherein leather is dyed with very finely divided pigment dispersions in which the diameter of the pigment particles is less than 100 nm, excluding those pigment dispersions containing as dispersant a compound of the formula <IMAGE> where Ar is phenyl or naphthyl, X is -CH2-CH2- and/or -CH2-CH(CH3)-, 0 to (m-1) of the radicals A are hydrogen and 1 to m of the radicals A are benzoyl and/or naphthoyl, 1 to m of the radicals A are -CO-CH=CH-COOM and/or -CO-CH2-CH(SO3M)-COOM, where M is a cation, R<1>, R<2> and R<3> are hydrogen or alkyl of 1 to 14 carbon atoms, R is hydrogen and/or alkyl of 1 to 9 carbon atoms, n is from 1 to 150 and m is from 2 to 12.

IPC 1-7

D06P 1/44; D06P 3/32; D06P 1/56

IPC 8 full level

D06P 1/44 (2006.01); D06P 1/56 (2006.01); D06P 1/613 (2006.01); D06P 3/32 (2006.01)

CPC (source: EP KR)

D06P 1/44 (2013.01 - EP); D06P 1/56 (2013.01 - EP); D06P 1/6135 (2013.01 - EP); D06P 3/32 (2013.01 - EP KR)

Citation (search report)

Designated contracting state (EPC)

BE DE ES FR GB IT NL

DOCDB simple family (publication)

EP 0414117 A2 19910227; EP 0414117 A3 19911016; BR 9004074 A 19910903; CA 2023513 A1 19910220; DE 3927471 A1 19910221; JP H0390687 A 19910416; KR 910004892 A 19910329; PT 95023 A 19910418

DOCDB simple family (application)

EP 90115640 A 19900816; BR 9004074 A 19900817; CA 2023513 A 19900817; DE 3927471 A 19890819; JP 21593790 A 19900817; KR 900012635 A 19900817; PT 9502390 A 19900817