Global Patent Index - EP 0512946 B1

EP 0512946 B1 19950913 - Process for improving the fastness to light of leather.

Title (en)

Process for improving the fastness to light of leather.

Title (de)

Verfahren zur Verbesserung der Lichtechtheit von Leder.

Title (fr)

Procédé pour améliorer la solidité à la lumière du cuir.

Publication

EP 0512946 B1 19950913 (DE)

Application

EP 92810292 A 19920422

Priority

CH 132191 A 19910502

Abstract (en)

[origin: EP0512946A1] The process is characterised in that the leather is treated with a UV absorber selected from the group a) 2-hydroxybenzophenones of the formula (1) <IMAGE> b) 2-(2'-hydroxyphenyl)benzotriazoles of the formula (2) <IMAGE> and c) 2-(2'-hydroxyphenyl)-s-triazines of the formula (3) <IMAGE> in which the variables have the meanings given in the Claims.

IPC 1-7

D06P 1/642; D06P 1/651; D06P 3/32

IPC 8 full level

C09K 3/00 (2006.01); C14C 11/00 (2006.01); D06P 1/642 (2006.01); D06P 1/651 (2006.01); D06P 3/32 (2006.01); D06P 5/00 (2006.01); D06P 5/04 (2006.01); D06P 5/06 (2006.01)

CPC (source: EP)

D06P 1/6426 (2013.01); D06P 1/65112 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0512946 A1 19921111; EP 0512946 B1 19950913; DE 59203628 D1 19951019; JP H05272076 A 19931019

DOCDB simple family (application)

EP 92810292 A 19920422; DE 59203628 T 19920422; JP 11267192 A 19920501