Global Patent Index - EP 3867435 B1

EP 3867435 B1 20230503 - PULP-CONTAINING BIODEGRADABLE NON-WOVEN FABRIC AND METHOD FOR PRODUCING THE SAME

Title (en)

PULP-CONTAINING BIODEGRADABLE NON-WOVEN FABRIC AND METHOD FOR PRODUCING THE SAME

Title (de)

ZELLSTOFFHALTIGER BIOLOGISCH ABBAUBARER VLIESSTOFF UND VERFAHREN ZUR HERSTELLUNG DAVON

Title (fr)

TISSU NON-TISSÉ BIODÉGRADABLE CONTENANT DE LA PÂTE ET SON PROCÉDÉ DE PRODUCTION

Publication

EP 3867435 B1 20230503 (EN)

Application

EP 19787262 A 20191016

Priority

  • EP 18200989 A 20181017
  • EP 2019078089 W 20191016

Abstract (en)

[origin: WO2020079083A1] The present invention relates to a biodegradable non-woven fabric, a method for producing a biodegradable non-woven fabric and a wipe or tissue. The biodegradable non-woven fabric comprises biodegradable fibers and pulp fibers. At least a part of the biodegradable fibers is entangled with each other. At least a part of the pulp fibers is covalently bonded to each other by at least one of the group consisting of a biodegradable binder, a biodegradable wet-strength agent and a biodegradable binder fiber.

IPC 8 full level

D04H 1/425 (2012.01); D04H 1/4258 (2012.01); D04H 1/488 (2012.01); D04H 1/49 (2012.01); D04H 1/492 (2012.01); D04H 1/587 (2012.01); D04H 5/03 (2012.01); D04H 5/04 (2006.01); D21H 13/08 (2006.01); D21H 27/00 (2006.01)

CPC (source: EP RU US)

D04H 1/425 (2013.01 - EP RU); D04H 1/4258 (2013.01 - EP RU); D04H 1/488 (2013.01 - EP RU); D04H 1/49 (2013.01 - EP RU); D04H 1/492 (2013.01 - EP RU); D04H 1/5412 (2020.05 - EP RU US); D04H 1/5418 (2020.05 - EP RU US); D04H 1/587 (2013.01 - EP); D04H 5/03 (2013.01 - EP RU US); D04H 5/04 (2013.01 - EP); D06B 5/22 (2013.01 - US); D21H 13/08 (2013.01 - EP); D21H 21/20 (2013.01 - EP); D21H 27/002 (2013.01 - EP)

Citation (examination)

Citation (opposition)

Opponent : AHLSTROM OYJ

Opponent : Kemira Oyj

Opponent : Suominen Oyj

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)

WO 2020079083 A1 20200423; CA 3116792 A1 20200423; CN 113227480 A 20210806; CN 113227480 B 20230411; EP 3867435 A1 20210825; EP 3867435 B1 20230503; ES 2949666 T3 20231002; PL 3867435 T3 20230828; RU 2769362 C1 20220330; US 2021340700 A1 20211104

DOCDB simple family (application)

EP 2019078089 W 20191016; CA 3116792 A 20191016; CN 201980080916 A 20191016; EP 19787262 A 20191016; ES 19787262 T 20191016; PL 19787262 T 20191016; RU 2021113308 A 20191016; US 201917286374 A 20191016