Global Patent Index - EP 2175952 A1

EP 2175952 A1 20100421 - CONTINUOUS CRYSTALLISATION METHOD

Title (en)

CONTINUOUS CRYSTALLISATION METHOD

Title (de)

KONTINUIERLICHES KRISTALLISIERUNGSVERFAHREN

Title (fr)

PROCEDE DE CRISTALLISATION EN CONTINU

Publication

EP 2175952 A1 20100421 (FR)

Application

EP 08837072 A 20080725

Priority

  • FR 2008001118 W 20080725
  • FR 0705512 A 20070727

Abstract (en)

[origin: FR2919200A1] Process for continuous crystallization of a mixture of stereo isomers and resolution agent in a solvent, comprises injecting the mixture and the resolution agent in the reactor under continuous agitation. An independent claim is included for a device for continuous crystallization of mixture, for carrying out the process, where the system is stirred, preferably a reactor.

IPC 8 full level

B01D 9/00 (2006.01); C07B 57/00 (2006.01); C07C 255/24 (2006.01)

CPC (source: EP)

B01D 9/005 (2013.01); C07B 57/00 (2013.01); C07C 253/34 (2013.01); C07B 2200/07 (2013.01)

Citation (search report)

See references of WO 2009047408A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

FR 2919200 A1 20090130; FR 2919200 B1 20091030; EP 2175952 A1 20100421; WO 2009047408 A1 20090416

DOCDB simple family (application)

FR 0705512 A 20070727; EP 08837072 A 20080725; FR 2008001118 W 20080725