Title:
PREPARATION METHOD OF BROMINATED DIPHENYLETHANE MIXTURE
Document Type and Number:
WIPO Patent Application WO/2011/078432
Kind Code:
A1
Abstract:
A preparation method of a brominated diphenylethane mixture according to the present invention comprises the following steps of: injecting a catalyst into a reactor where a moisture-removed solvent and diphenylethane are mixed; dropping a bromine solution into the reactor to react the obtained mixture; removing the catalyst from a reaction mass where the reaction terminates; distilling the catalyst-removed reaction mass to obtain a water-dispersed brominated diphenylethane mixture; and filtering and drying the water-dispersed brominated diphenylethane mixture.
Inventors:
AHN SUNG HEE (KR)
JEONG JIN PYUNG (KR)
JEONG JIN PYUNG (KR)
Application Number:
PCT/KR2009/008022
Publication Date:
June 30, 2011
Filing Date:
December 31, 2009
Export Citation:
Assignee:
CHEIL IND INC (KR)
AHN SUNG HEE (KR)
JEONG JIN PYUNG (KR)
AHN SUNG HEE (KR)
JEONG JIN PYUNG (KR)
International Classes:
C07C17/12; C07C25/18
Foreign References:
| US5741949A | 1998-04-21 | |||
| US20040210096A1 | 2004-10-21 | |||
| US6841707B2 | 2005-01-11 |
Attorney, Agent or Firm:
CHOI, Duk Kyu et al. (KR)
최덕규 (KR)
최덕규 (KR)
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