EP 4330296 A1 20240306 - FUNCTIONAL COPOLYMER OF A 1,3-DIENE AND ETHYLENE OR A 1,3-DIENE, ETHYLENE AND AN ALPHA-MONOOLEFIN
Title (en)
FUNCTIONAL COPOLYMER OF A 1,3-DIENE AND ETHYLENE OR A 1,3-DIENE, ETHYLENE AND AN ALPHA-MONOOLEFIN
Title (de)
FUNKTIONELLES COPOLYMER AUS EINEM 1,3-DIEN UND ETHYLEN ODER EINEM 1,3-DIEN, ETHYLEN UND EINEM ALPHA-MONOOLEFIN
Title (fr)
COPOLYMÈRE FONCTIONNEL D'UN 1,3-DIÈNE ET D'ÉTHYLÈNE OU D'UN 1,3-DIÈNE, D'ÉTHYLÈNE ET D'UNE ALPHAMONOOLÉFINE
Publication
Application
Priority
- FR 2104475 A 20210429
- FR 2022050672 W 20220411
Abstract (en)
[origin: WO2022229536A1] The invention relates to a copolymer of a 1,3-diene and an olefin, the copolymer bearing, at one of its chain ends, a functional group of formula -CH2-CH(CH3)-COOZ, wherein Z is a hydrogen atom or a carbon-containing group. The invention also relates to a method for preparing same, wherein the olefin is ethylene or a mixture of ethylene and an α-monoolefin.
IPC 8 full level
C08F 4/52 (2006.01); C08F 210/02 (2006.01); C08F 212/02 (2006.01)
CPC (source: EP KR US)
C08F 2/06 (2013.01 - US); C08F 4/545 (2013.01 - KR US); C08F 4/6546 (2013.01 - US); C08F 210/02 (2013.01 - EP KR US); C08F 210/14 (2013.01 - US); C08F 236/06 (2013.01 - KR US); C08F 2420/00 (2013.01 - US); C08F 2438/00 (2013.01 - US); C08F 2810/40 (2013.01 - EP KR US)
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)
WO 2022229536 A1 20221103; CN 117222677 A 20231212; EP 4330296 A1 20240306; FR 3122428 A1 20221104; FR 3122428 B1 20240329; KR 20240004780 A 20240111; US 2024218104 A1 20240704
DOCDB simple family (application)
FR 2022050672 W 20220411; CN 202280031739 A 20220411; EP 22721815 A 20220411; FR 2104475 A 20210429; KR 20237041306 A 20220411; US 202218288438 A 20220411