EP 1416057 A1 20040506 - Chrome free waterproof leather
Title (en)
Chrome free waterproof leather
Title (de)
Chromfreies, wasserdichtes Leder
Title (fr)
Cuir sans chrome, imperméable à l'eau
Publication
Application
Priority
DE 10250111 A 20021028
Abstract (en)
Chromium-free leather has a water-proofness measured as DIN 53338 penetration time of at least30 minutes. Independent claims are also included for the use of silicones as hydrophobicizers for chromium-free tanned leather; and production of the leather by treating with a hydrophobicizer, optionally after post-tanning.
Abstract (de)
Die Erfindung betrifft chromfreies Leder mit hoher Wasserdichtigkeit, ein Verfahren zu seiner Herstellung, seine Verwendung als auch die Verwendung von Silikonen als Hydrophobiermittel für chromfrei gegerbtes Leder.
IPC 1-7
IPC 8 full level
B68G 5/00 (2006.01); C14C 3/04 (2006.01); C14C 9/00 (2006.01); C14C 9/02 (2006.01)
CPC (source: EP KR US)
C14C 3/04 (2013.01 - EP US); C14C 9/00 (2013.01 - EP KR US); Y10T 428/4935 (2015.04 - EP US)
Citation (search report)
- [X] DE 1178545 B 19640924 - BOEHME FETTCHEMIE GMBH
- [X] DE 19629986 A1 19980129 - BASF AG [DE]
- [DA] EP 1108765 A2 20010620 - BAYER AG [DE]
- [AD] TONIGOLD L ET AL: "MOGLICHKEITEN UND GRENZEN DER EISENGERBUNG", LEDER, EDUARD ROETHER VERLAG. DARMSTADT, DE, vol. 41, no. 1, 1990, pages 8 - 14, XP000113346, ISSN: 0024-0176
Designated contracting state (EPC)
AT DE ES GB IT
DOCDB simple family (publication)
EP 1416057 A1 20040506; AR 041681 A1 20050526; CN 1498973 A 20040526; DE 10250111 A1 20040506; JP 2004149798 A 20040527; KR 20040038696 A 20040508; US 2004232376 A1 20041125; US 2006151738 A1 20060713; US 7060363 B2 20060613; US 7208016 B2 20070424; ZA 200308302 B 20041025
DOCDB simple family (application)
EP 03023284 A 20031015; AR P030103828 A 20031021; CN 200310104652 A 20031028; DE 10250111 A 20021028; JP 2003367907 A 20031028; KR 20030075025 A 20031027; US 36805406 A 20060303; US 69410603 A 20031027; ZA 200308302 A 20031024