Global Patent Index - EP 0996496 A1

EP 0996496 A1 20000503 - INTEGRAL NON WOVEN REINFORCEMENT POROUS MEMBBRANES

Title (en)

INTEGRAL NON WOVEN REINFORCEMENT POROUS MEMBBRANES

Title (de)

INTEGRAL VLIESVERSTÄRKTE PORÖSE MEMBRANEN

Title (fr)

MEMBRANES POREUSES A RENFORCEMENT PAR NON TISSES INTEGRES

Publication

EP 0996496 A1 20000503 (DE)

Application

EP 98939624 A 19980708

Priority

  • DE 19729456 A 19970710
  • EP 9804228 W 19980708

Abstract (en)

[origin: DE19729456C1] A porous organic polymer membrane is integrally reinforced with nonwoven fibres having a surface weight of 20-40 g/m<2>, thickness of 90-170 mu m and an air permeability of 1,200-2,400 l/m<2> at 0.002 bar is claimed.

IPC 1-7

B01D 69/10

IPC 8 full level

B01D 69/10 (2006.01); B01D 71/12 (2006.01); B01D 71/42 (2006.01); B01D 71/56 (2006.01); B01D 71/68 (2006.01); B32B 5/24 (2006.01); C08J 9/00 (2006.01)

CPC (source: EP US)

B01D 69/1071 (2022.08 - EP US)

Citation (search report)

See references of WO 9902247A1

Designated contracting state (EPC)

FR GB

DOCDB simple family (publication)

DE 19729456 C1 19981022; EP 0996496 A1 20000503; JP 2001509430 A 20010724; US 6293411 B1 20010925; WO 9902247 A1 19990121

DOCDB simple family (application)

DE 19729456 A 19970710; EP 9804228 W 19980708; EP 98939624 A 19980708; JP 2000501827 A 19980708; US 40604699 A 19990927