Global Patent Index - EP 3620572 B1

EP 3620572 B1 20231129 - ARTIFICIAL LEATHER BASE MATERIAL AND GRAINED ARTIFICIAL LEATHER

Title (en)

ARTIFICIAL LEATHER BASE MATERIAL AND GRAINED ARTIFICIAL LEATHER

Title (de)

KUNSTLEDERGRUNDMATERIAL UND GENARBTES KUNSTLEDER

Title (fr)

MATÉRIAU DE BASE EN CUIR ARTIFICIEL ET CUIR ARTIFICIEL À GRAINS

Publication

EP 3620572 B1 20231129 (EN)

Application

EP 18794763 A 20180424

Priority

  • JP 2017091274 A 20170501
  • JP 2018016625 W 20180424

Abstract (en)

[origin: EP3620572A1] Disclosed is an artificial leather base material including: a fabric, and an elastic polymer, fine particles, and a plasticizer that have been applied to the fabric, wherein the elastic polymer includes a (meth)acrylic elastic polymer and a polyurethane, the fine particles have a Mohs hardness of 4 or less, and the product of a bending resistance, a durometer Shore C hardness, and a thickness of the artificial leather base material is 200 to 400 mm<sup>2</sup>. Also disclosed is a grain-finished artificial leather obtained using the artificial leather base material.

IPC 8 full level

D06N 3/04 (2006.01); D06N 3/00 (2006.01); D06N 3/10 (2006.01); D06N 3/14 (2006.01)

CPC (source: EP KR US)

D06N 3/0004 (2013.01 - EP); D06N 3/0011 (2013.01 - KR US); D06N 3/0013 (2013.01 - EP); D06N 3/0063 (2013.01 - KR); D06N 3/0068 (2013.01 - EP); D06N 3/04 (2013.01 - EP); D06N 3/042 (2013.01 - EP KR US); D06N 3/106 (2013.01 - EP); D06N 3/14 (2013.01 - EP KR); D06N 2201/0263 (2013.01 - US)

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 3620572 A1 20200311; EP 3620572 A4 20200923; EP 3620572 B1 20231129; CN 110520568 A 20191129; CN 110520568 B 20220920; JP 7148502 B2 20221005; JP WO2018203494 A1 20200312; KR 102578961 B1 20230914; KR 20190139846 A 20191218; TW 201843374 A 20181216; TW I793119 B 20230221; US 2020071880 A1 20200305; WO 2018203494 A1 20181108

DOCDB simple family (application)

EP 18794763 A 20180424; CN 201880024689 A 20180424; JP 2018016625 W 20180424; JP 2019515705 A 20180424; KR 20197027360 A 20180424; TW 107114409 A 20180427; US 201816492995 A 20180424