Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PREPARING CHLOROHYDRINS COMPOSITION AND METHOD FOR PREPARING EPICHLOROHYDRIN USING CHLOROHYDRINS COMPOSITION PREPARED THEREBY
Document Type and Number:
WIPO Patent Application WO/2012/002651
Kind Code:
A2
Abstract:
Disclosed are a method for preparing chlorohydrins composition and a method for preparing epichlorohydrin using chlorohydrins prepared thereby. The disclosed method for preparing chlorohydrins composition reacts polyhydroxy aliphatic hydrocarbon with a chlorination agent in the presence of a catalyst, comprises at least one combination of a series of unit operations including a first reaction step, a water removal step, and a second reaction step, in the respective order, and includes an additional step for mixing a chlorohydrins concentration, which was obtained by refining a reaction mixture discharged from the final reaction step of the plurality of reaction steps, with a water-rich layer, which was discharged from the water removal step, and diluting same with water. The disclosed method for preparing epichlorohydrin includes a step for contacting the chlorohydrins composition, which was prepared using the method for preparing chlorohydrins composition, with an alkaline chemical.

Inventors:
SONG WON SEOB (KR)
WOO SUNG YUL (KR)
SONG BOO WEON (KR)
PARK SEONG HAN (KR)
KWON MYOUNG SUK (KR)
Application Number:
PCT/KR2011/004174
Publication Date:
January 05, 2012
Filing Date:
June 08, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SAMSUNG FINE CHEMICALS CO LTD (KR)
SONG WON SEOB (KR)
WOO SUNG YUL (KR)
SONG BOO WEON (KR)
PARK SEONG HAN (KR)
KWON MYOUNG SUK (KR)
International Classes:
C07C29/62; C07C29/80; C07C31/34; C07D303/08
Domestic Patent References:
WO2009066327A12009-05-28
WO2008152045A12008-12-18
Foreign References:
KR20080037613A2008-04-30
KR20070034599A2007-03-28
Other References:
None
See also references of EP 2594549A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
리앤목특허법인 (KR)
Download PDF:
Claims: