EP 3216916 B1 20180926 - METHOD FOR REFINING LEATHER
Title (en)
METHOD FOR REFINING LEATHER
Title (de)
VERFAHREN ZUR VEREDELUNG VON LEDER
Title (fr)
PROCEDE D'AMELIORATION DU CUIR
Publication
Application
Priority
EP 16159622 A 20160310
Abstract (en)
[origin: WO2017153505A1] The invention relates to measures for treating and finishing leather. In particular, the invention relates to a method for producing leather shrinkage, comprising the following steps: a) washing at least one chromium-tanned hide (chromium wet blue) in a washing solution, b) neutralizing the treated hide in a neutralization solution, c) pre-stuffing the hide, d) dyeing the hide in a dyeing solution, e) stuffing by adding stuffing agent mixture, f) fixating by adding formic acid, g) setting the final shade, h) fixating, i) washing the hide, j) drying the hide, k) applying a binder mixture solution, l) applying an aqueous emulsion lacquer based on polyurethane, m) ironing and staking the hide, n) drumming the hide while continuously supplying moisture, o) removing moisture from the hide, p) climatizing the hide and further reducing the moisture content, and q) applying a fixating solution.
IPC 8 full level
D06P 1/00 (2006.01); C14B 1/54 (2006.01); C14C 3/22 (2006.01); C14C 3/28 (2006.01); C14C 9/02 (2006.01); C14C 11/00 (2006.01); C14C 13/00 (2006.01)
CPC (source: EP)
C14B 1/00 (2013.01); C14B 1/54 (2013.01); C14C 3/22 (2013.01); C14C 3/28 (2013.01); C14C 9/02 (2013.01); C14C 11/003 (2013.01); C14C 11/006 (2013.01); C14C 13/00 (2013.01); D06P 1/44 (2013.01); D06P 1/525 (2013.01); D06P 1/5285 (2013.01); D06P 3/3293 (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 3216916 A1 20170913; EP 3216916 B1 20180926; CN 109072546 A 20181221; DK 3216916 T3 20190121; ES 2702480 T3 20190301; PL 3216916 T3 20190329; WO 2017153505 A1 20170914
DOCDB simple family (application)
EP 16159622 A 20160310; CN 201780015861 A 20170309; DK 16159622 T 20160310; EP 2017055503 W 20170309; ES 16159622 T 20160310; PL 16159622 T 20160310