Global Patent Index - EP 4097297 A1

EP 4097297 A1 20221207 - TREATMENT OF BACTERIAL NANOCELLULOSE

Title (en)

TREATMENT OF BACTERIAL NANOCELLULOSE

Title (de)

BEHANDLUNG VON BAKTERIELLER NANOCELLULOSE

Title (fr)

TRAITEMENT DE LA NANOCELLULOSE BACTÉRIENNE

Publication

EP 4097297 A1 20221207 (EN)

Application

EP 21746315 A 20210128

Priority

  • AU 2020900276 A 20200131
  • AU 2020902179 A 20200629
  • AU 2020904449 A 20201201
  • AU 2021050050 W 20210128

Abstract (en)

[origin: WO2021151149A1] Disclosed is a process of defibrillating bacterial nanocellulose. The process may comprise providing a pulp comprising bacterial nanocellulose and an alkaline solution and freezing the pulp to form a frozen pulp. The process may comprise allowing the frozen pulp to thaw to form a solution having at least partially defibrillated bacterial nanocellulose fibres. The at least partially defibrillated bacterial nanocellulose fibres may be fully dissolved. The at least partially defibrillated bacterial nanocellulose fibres may be in the form of a non-woven material.

IPC 8 full level

D21H 11/18 (2006.01); D21C 1/06 (2006.01); D21C 3/02 (2006.01); D21C 9/00 (2006.01)

CPC (source: AU EP)

C08B 1/003 (2013.01 - EP); D21C 1/06 (2013.01 - AU); D21C 3/02 (2013.01 - AU); D21C 9/00 (2013.01 - EP); D21C 9/004 (2013.01 - AU EP); D21C 9/007 (2013.01 - AU); D21H 11/18 (2013.01 - AU EP); D21H 11/20 (2013.01 - EP); D21B 1/068 (2013.01 - AU)

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2021151149 A1 20210805; AU 2021213023 A1 20220915; EP 4097297 A1 20221207; EP 4097297 A4 20240228

DOCDB simple family (application)

AU 2021050050 W 20210128; AU 2021213023 A 20210128; EP 21746315 A 20210128