EP 4132980 A1 20230215 - CHITOSAN-BASED BEADS, AND PREPARATION, COMPOSITIONS AND USES THEREOF
Title (en)
CHITOSAN-BASED BEADS, AND PREPARATION, COMPOSITIONS AND USES THEREOF
Title (de)
PERLEN AUF CHITOSANBASIS SOWIE HERSTELLUNG, ZUSAMMENSETZUNGEN UND VERWENDUNGEN DAVON
Title (fr)
BILLES A BASE DE CHITOSANE, PREPARATION, COMPOSITIONS ET APPLICATIONS
Publication
Application
Priority
- FR 2012010 A 20201123
- EP 2021082454 W 20211122
Abstract (en)
[origin: WO2022106676A1] The invention relates to beads and a composition comprising an aqueous phase comprising a plurality of beads, the beads comprising or consisting of a hydrogel matrix comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetyl-glucosamine units and glucosamine units substituted with a carboxyalkyl group, the carboxyalkyl chitosan being crosslinked by means of covalent bonds between the carboxyalkyl chitosan chains and/or co-crosslinked by means of covalent bonds with one or a plurality of other polymers. The invention also relates to the methods for preparing said chitosan-based beads and the uses thereof.
IPC 8 full level
C08B 37/08 (2006.01); A61L 27/48 (2006.01); A61L 27/52 (2006.01); C08J 3/075 (2006.01); C08J 3/24 (2006.01); C08K 5/1535 (2006.01); C08L 5/08 (2006.01)
CPC (source: EP KR US)
A61L 27/48 (2013.01 - EP KR US); A61L 27/52 (2013.01 - EP KR US); C08B 37/003 (2013.01 - EP KR US); C08B 37/0072 (2013.01 - EP KR US); C08J 3/075 (2013.01 - EP KR US); C08J 3/12 (2013.01 - KR); C08J 3/24 (2013.01 - US); C08L 5/08 (2013.01 - EP KR); A61L 2400/06 (2013.01 - EP KR US); A61L 2430/34 (2013.01 - EP KR US); C08J 2305/08 (2013.01 - EP KR US); C08J 2405/08 (2013.01 - EP KR)
C-Set (source: EP)
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)
FR 3116534 A1 20220527; FR 3116534 B1 20231222; CN 115066443 A 20220916; EP 4132980 A1 20230215; JP 2023550573 A 20231204; KR 20230109093 A 20230719; US 2023066712 A1 20230302; WO 2022106676 A1 20220527
DOCDB simple family (application)
FR 2012010 A 20201123; CN 202180013938 A 20211122; EP 2021082454 W 20211122; EP 21806782 A 20211122; JP 2022540756 A 20211122; KR 20227022525 A 20211122; US 202117790180 A 20211122