Global Patent Index - EP 3527675 B1

EP 3527675 B1 20231129 - CHROMIUM ENHANCED TANNING PROCESS

Title (en)

CHROMIUM ENHANCED TANNING PROCESS

Title (de)

GESTEIGERTES CHROMGERBVERFAHREN

Title (fr)

PROCÉDÉ DE TANNAGE AU CHROME INTENSIFIÉ

Publication

EP 3527675 B1 20231129 (EN)

Application

EP 19156703 A 20190212

Priority

IT 201800002822 A 20180219

Abstract (en)

[origin: EP3527675A1] The invention concerns a process for tanning a hide to obtain leather comprising the following steps:a) a pickling step with acid and salt,b) a tanning step with an olation agentc) a basification step,wherein in step b) an electric field is produced, by placing the hide between the two electrically powered electrodes.

IPC 8 full level

C14C 3/04 (2006.01); C14C 3/06 (2006.01); C14C 3/10 (2006.01); C14C 3/16 (2006.01); C14C 3/30 (2006.01); C14C 15/00 (2006.01)

CPC (source: EP)

C14C 3/04 (2013.01); C14C 3/06 (2013.01); C14C 3/10 (2013.01); C14C 3/16 (2013.01); C14C 3/30 (2013.01); C14C 15/00 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3527675 A1 20190821; EP 3527675 B1 20231129; ES 2974020 T3 20240625; IT 201800002822 A1 20190819

DOCDB simple family (application)

EP 19156703 A 20190212; ES 19156703 T 20190212; IT 201800002822 A 20180219