EP 4097297 A4 20240228 - TREATMENT OF BACTERIAL NANOCELLULOSE
Title (en)
TREATMENT OF BACTERIAL NANOCELLULOSE
Title (de)
BEHANDLUNG VON BAKTERIELLER NANOCELLULOSE
Title (fr)
TRAITEMENT DE LA NANOCELLULOSE BACTÉRIENNE
Publication
Application
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); C08B 1/00 (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)
Citation (search report)
- [X] CN 102671236 A 20120919 - UNIV BEIJING SCIENCE & TECH
- [X] CN 109970996 A 20190705 - UNIV TIANJIN SCIENCE & TECH
- [X] CN 107115563 A 20170901 - BEIJING ZAISHENG BIOLOGY TECH CO LTD
- [XI] JP H10158303 A 19980616 - BIO POLYMER RES KK
- [A] BUDTOVA TATIANA ET AL: "Cellulose in NaOH-water based solvents: a review", CELLULOSE, SPRINGER NETHERLANDS, NETHERLANDS, vol. 23, no. 1, 5 November 2015 (2015-11-05), pages 5 - 55, XP035825653, ISSN: 0969-0239, [retrieved on 20151105], DOI: 10.1007/S10570-015-0779-8
- See also references of WO 2021151149A1
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 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