Title:
METHOD FOR THE PREPARATION OF ALIPHATIC CHLOROFORMATES
Document Type and Number:
WIPO Patent Application WO2006044575
Kind Code:
A9
Abstract:
A method for preparing an aliphatic chloroformate comprising, introducing a mixture of at least one aliphatic hydroxyl compound, phosgene, at least one solvent, and optionally at least one organic base into a flow reactor to obtain a unidirectional flowing reaction mixture. The unidirectional flowing reaction mixture is maintained at a temperature between about 0°C and about 60°C to produce a single product stream comprising an aliphatic chloroformate, useful in the preparation of polycarbonates and co-polycarbonates.
Inventors:
DAVIS GARY CHARLES (US)
STONE JOSHUA JAMES (US)
SILVA JAMES MANIO (US)
MAHOOD JAMES ALAN (US)
DARDARIS DAVID MICHEL (US)
STONE JOSHUA JAMES (US)
SILVA JAMES MANIO (US)
MAHOOD JAMES ALAN (US)
DARDARIS DAVID MICHEL (US)
Application Number:
PCT/US2005/036895
Publication Date:
August 23, 2007
Filing Date:
October 13, 2005
Export Citation:
Assignee:
GEN ELECTRIC (US)
DAVIS GARY CHARLES (US)
STONE JOSHUA JAMES (US)
SILVA JAMES MANIO (US)
MAHOOD JAMES ALAN (US)
DARDARIS DAVID MICHEL (US)
DAVIS GARY CHARLES (US)
STONE JOSHUA JAMES (US)
SILVA JAMES MANIO (US)
MAHOOD JAMES ALAN (US)
DARDARIS DAVID MICHEL (US)
International Classes:
C07D493/04; C07C68/02; C07J9/00; C08G64/16; C08G64/22
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