EP 0543689 A1 19930526 - Compositions to simultaneously tan and dye hides and their production process.

Title (en)

Compositions to simultaneously tan and dye hides and their production process.

Title (de)

Zusammensetzung zum gleichzeitigen Gerben und Färben von Häuten und Verfahren zu ihrer Herstellung.

Title (fr)

Compositions pour le tannage et la teinture simultanés des peaux et procédé pour les fabriquer.

Publication

EP 0543689 A1 19930526 (EN)

Application

EP 92402905 A 19921026

Priority

AR 32104591 A 19911030

Abstract (en)

The invention concerns compositions to simultaneously tan and dye hides, characterized by the fact that they contain at least one tanning compound able to form chromophore groups consisting of at least one member of the group including : natural pyrocatechic derivatives of quebracho, mimosa, acacia and their tannic acids ; natural pyrogallic derivatives of tara, carob and their tannic acids ; naphthalene sulphonic acid condensed with formaldehyde ; naphthalene sulphonic acid ; phenolsulphonic acid ; phenolsulphonic acid condensed with formaldehyde ; gallic acid ; and at least one coupler able to develop with the chromophore groups of the compound tanning the final colour, this coupler belonging to the group including : triphenyl-methano-sulphonic acid ; aniline ; p-amino-aceto-aniline ; urea-1 acid ; p-amino-salicylic acid ; di-nitro-styrene-sulphonic acid ; p-sulphanilic acid ; p-nitro-aniline phenolsulphonic acid ; benzidine H ; benzaldehyde ; N,N dimethyl-aniline ; o-dianisidine Ch-CH. i-ni

IPC 1-7

C14C 3/08; C14C 3/10; C14C 3/20; D06P 1/34; D06P 3/32

IPC 8 full level

C14C 3/08 (2006.01); C14C 3/10 (2006.01); C14C 3/20 (2006.01); D06P 1/34 (2006.01); D06P 3/32 (2006.01)

CPC (source: EP)

C14C 3/08 (2013.01); C14C 3/10 (2013.01); C14C 3/20 (2013.01); D06P 1/34 (2013.01); D06P 3/3206 (2013.01); D06P 3/3273 (2013.01); D06P 3/328 (2013.01)

Citation (search report)

[X] FR 2116100 A5 19720707 - SANDOZ SA
[A] EP 0019846 A2 19801210 - BAYER AG [DE]

Designated contracting state (EPC)

CH DE FR IT LI

DOCDB simple family (publication)

EP 0543689 A1 19930526; BR 9204168 A 19930504; ZA 928144 B 19940218; ZW 16892 A1 19930224

DOCDB simple family (application)

EP 92402905 A 19921026; BR 9204168 A 19921027; ZA 928144 A 19921021; ZW 16892 A 19921021