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
Application
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
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)
- [X] EP 0013576 A1 19800723 - HOECHST AG [DE]
- [X] EP 0058384 A1 19820825 - HOECHST AG [DE]
- [XD] EP 0065751 A1 19821201 - HOECHST AG [DE]
- [XP] EP 0350803 A2 19900117 - HOECHST AG [DE]
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