Global Patent Index - EP 3966379 A1

EP 3966379 A1 20220316 - BITUMINOUS MEMBRANES WITH BIODEGRADABLE BINDER

Title (en)

BITUMINOUS MEMBRANES WITH BIODEGRADABLE BINDER

Title (de)

BITUMINÖSE MEMBRANEN MIT BIOLOGISCH ABBAUBAREM BINDEMITTEL

Title (fr)

MEMBRANES BITUMINEUSES À LIANT BIODÉGRADABLE

Publication

EP 3966379 A1 20220316 (EN)

Application

EP 21713059 A 20210325

Priority

  • EP 20170583 A 20200421
  • EP 20211895 A 20201204
  • EP 20166708 A 20200330
  • EP 2021057696 W 20210325

Abstract (en)

[origin: WO2021197999A1] Subject of the invention is a nonwoven carrier, wherein the nonwoven comprises organic polymer fibers and is consolidated with an aqueous binder, wherein the binder comprises (a) starch (b) polyvinyl alcohol, which may comprise up to 5 mol.% of other monomer units, wherein (c) the binder does not comprise a crosslinker, and (d) the binder does not comprise a filler. Subject of the invention are also uses of the nonwoven carrier, production methods, bituminous membranes and building materials.

IPC 8 full level

D04H 1/587 (2012.01); D04H 1/64 (2012.01); D04H 3/12 (2006.01); D06N 5/00 (2006.01)

CPC (source: EP)

D04H 1/587 (2013.01); D04H 1/64 (2013.01); D04H 3/12 (2013.01); D06N 5/003 (2013.01)

Citation (search report)

See references of WO 2021197999A1

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021197999 A1 20211007; CN 115279961 A 20221101; EP 3966379 A1 20220316; EP 3966379 B1 20221026

DOCDB simple family (application)

EP 2021057696 W 20210325; CN 202180021007 A 20210325; EP 21713059 A 20210325