EP 2705016 A1 20140312 - HIGH PURITY BISPHENOL-A AND POLYCARBONATE MATERIALS PREPARED THEREFROM
Title (en)
HIGH PURITY BISPHENOL-A AND POLYCARBONATE MATERIALS PREPARED THEREFROM
Title (de)
HOCHREINES BISPHENOL-A UND DARAUS HERGESTELLTE POLYCARBONATSTOFFE
Title (fr)
BISPHÉNOL A DE GRANDE PURETÉ ET MATÉRIAUX DE TYPE POLYCARBONATE PRÉPARÉS À PARTIR DE CELUI-CI
Publication
Application
Priority
- US 201113099032 A 20110502
- US 201113099026 A 20110502
- US 201261618351 P 20120330
- IB 2012052198 W 20120502
Abstract (en)
[origin: WO2012150559A1] Methods for performing a condensation reaction are disclosed. Specifically, various methods for the production of highly-pure bisphenol-A are disclosed in which an attached promoter ion exchange resin catalyst system is combined with a solvent crystallization step.
IPC 8 full level
C07C 39/16 (2006.01); C08G 64/04 (2006.01)
CPC (source: CN EP KR)
C07C 37/20 (2013.01 - CN); C07C 39/16 (2013.01 - CN EP KR); C08G 63/64 (2013.01 - CN EP); C08G 64/04 (2013.01 - CN EP KR); C08G 64/186 (2013.01 - CN EP); C08G 77/448 (2013.01 - EP); C08L 69/00 (2013.01 - CN EP); C08L 2205/02 (2013.01 - EP); C08L 2205/025 (2013.01 - CN)
C-Set (source: CN EP)
CN
EP
Citation (search report)
See references of WO 2012150559A1
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 2012150559 A1 20121108; CN 103502192 A 20140108; EP 2705016 A1 20140312; KR 20140043362 A 20140409
DOCDB simple family (application)
IB 2012052198 W 20120502; CN 201280021578 A 20120502; EP 12722886 A 20120502; KR 20137031866 A 20120502