EP 0350803 B1 19940518 - Process for the pigmentation of leather in a bath.
Title (en)
Process for the pigmentation of leather in a bath.
Title (de)
Verfahren zur Badpigmentierung von Leder.
Title (fr)
Procédé de pigmentation du cuir à partir d'un bain.
Publication
Application
Priority
DE 3823826 A 19880714
Abstract (en)
[origin: JPH0274681A] PURPOSE: To enable a deep dyeing such as excellent color fastness to light and color fastness to rubbing by dyeing leather with a pigment dispersion separated to fine particle diameter containing a specific compound to improve penetration thereof into the leather. CONSTITUTION: Leather is dyed by using a pigment dispersion divided to fine particle diameter of 50-500 nm and containing a compound of the formula [Ar is benzene or naphthalene; X is CH2 -CH2 and/or CH2 -CH(CH3 ); 0 or (m-1) pieces of group A are each H, 1 or (m) pieces of the group A are each benzoyl and/or naphthoyl, 1 or (m) pieces of the group A are each CO-CH=CH-COOM or the like (M is a cation); R<1> , R<2> and R<3> are each H or a 1-4C alkyl; R is H and/or a 1-9C alkyl; (n) is 1-150; (m) is 2-12] to assist penetration thereof into the leather, and thus excellent leather dyeing with an excellent fastness and an excellent adhesive force is enabled.
IPC 1-7
IPC 8 full level
D06P 1/44 (2006.01); D06P 1/56 (2006.01); D06P 1/607 (2006.01); D06P 1/613 (2006.01); D06P 3/32 (2006.01)
CPC (source: EP KR US)
D06P 1/44 (2013.01 - EP KR US); D06P 1/6135 (2013.01 - EP US); D06P 3/32 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT NL
DOCDB simple family (publication)
EP 0350803 A2 19900117; EP 0350803 A3 19911009; EP 0350803 B1 19940518; AR 246770 A1 19940930; BR 8903452 A 19900306; CA 1334045 C 19950124; DE 3823826 A1 19900118; DE 58907676 D1 19940623; ES 2055760 T3 19940901; IE 64114 B1 19950712; IE 892277 L 19900114; JP H0274681 A 19900314; KR 0126470 B1 19971218; KR 900001926 A 19900227; PT 91142 A 19900208; PT 91142 B 19950131; US 4914764 A 19900410
DOCDB simple family (application)
EP 89112426 A 19890707; AR 31438289 A 19890712; BR 8903452 A 19890713; CA 605573 A 19890713; DE 3823826 A 19880714; DE 58907676 T 19890707; ES 89112426 T 19890707; IE 227789 A 19890713; JP 17919989 A 19890713; KR 890009944 A 19890713; PT 9114289 A 19890712; US 37957489 A 19890712