EP 4355808 A1 20240424 - OLIGOESTERS COMPRISING RESORCINOL AND ISO- AND/OR TEREPHTHALIC ACID, CORRESPONDING POLYESTER CARBONATES AND THEIR PREPARATION
Title (en)
OLIGOESTERS COMPRISING RESORCINOL AND ISO- AND/OR TEREPHTHALIC ACID, CORRESPONDING POLYESTER CARBONATES AND THEIR PREPARATION
Title (de)
OLIGOESTER UMFASSEND RESORCIN UND ISO- UND/ODER TEREPHTHALSÄURE, ENTSPRECHENDE POLYESTERCARBONATE UND DEREN HERSTELLUNG
Title (fr)
OLIGOESTERS COMPRENANT DU RÉSORCINOL ET DE L'ACIDE ISO-ET/OU TÉRÉPHTALIQUE, CARBONATES DE POLYESTER CORRESPONDANTS ET LEUR PRÉPARATION
Publication
Application
Priority
- EP 21179513 A 20210615
- EP 21210114 A 20211124
- EP 22170693 A 20220429
- EP 2022065837 W 20220610
Abstract (en)
[origin: WO2022263319A1] The invention relates to a mixture containing oligoester, polyester carbonates comprising an ester block and to a process for the preparation of polyester carbonates with an ester block by melt transesterification.
IPC 8 full level
C08G 63/64 (2006.01); C08G 63/191 (2006.01)
CPC (source: EP KR US)
C08G 63/183 (2013.01 - EP KR US); C08G 63/64 (2013.01 - EP KR US); C08G 64/30 (2013.01 - US); C08G 64/307 (2013.01 - EP KR)
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 2022263319 A1 20221222; EP 4355808 A1 20240424; JP 2024521478 A 20240531; KR 20240021176 A 20240216; US 2024166804 A1 20240523
DOCDB simple family (application)
EP 2022065837 W 20220610; EP 22727952 A 20220610; JP 2023577203 A 20220610; KR 20237042896 A 20220610; US 202218570189 A 20220610