Title:
PROCESS FOR PRODUCING BISPHENOL A
Document Type and Number:
WIPO Patent Application WO/2005/026237
Kind Code:
A1
Abstract:
A process for producing bisphenol A which comprises reacting phenol with acetone. The reaction is conducted at a higher temperature while maintaining high selectivity to thereby attain high productivity. Also provided are: a cation-exchange resin characterized by comprising a syndiotactic polystyrene polymer and cation-exchange groups incorporated therein and by having an acid amount of 0.8 meq/g or larger; and a catalyst comprising the cation-exchange resin. The process for bisphenol A production employs the cation-exchange resin catalyst.
Inventors:
TERAJIMA TAKASHI (JP)
MARUYAMA YUKO (JP)
TAKAI TOSHIHIRO (JP)
FUJIWARA KENJI (JP)
MARUYAMA YUKO (JP)
TAKAI TOSHIHIRO (JP)
FUJIWARA KENJI (JP)
Application Number:
PCT/JP2004/012634
Publication Date:
March 24, 2005
Filing Date:
September 01, 2004
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
TERAJIMA TAKASHI (JP)
MARUYAMA YUKO (JP)
TAKAI TOSHIHIRO (JP)
FUJIWARA KENJI (JP)
TERAJIMA TAKASHI (JP)
MARUYAMA YUKO (JP)
TAKAI TOSHIHIRO (JP)
FUJIWARA KENJI (JP)
International Classes:
B01J31/10; C07C37/20; C07C39/16; C08F8/00; (IPC1-7): C08G85/00; C08F8/36; C08F12/08; C07C37/20; C07C39/16; B01J31/10
Domestic Patent References:
| WO2000000454A1 | 2000-01-06 |
Foreign References:
| JP2001348349A | 2001-12-18 | |||
| JP2000128819A | 2000-05-09 | |||
| JP2003119225A | 2003-04-23 | |||
| JP2003119222A | 2003-04-23 | |||
| JPH01146912A | 1989-06-08 | |||
| JPS62178532A | 1987-08-05 | |||
| JPH0597741A | 1993-04-20 | |||
| JPH06320009A | 1994-11-22 | |||
| US3342755A | 1967-09-19 | |||
| EP1222960A2 | 2002-07-17 | |||
| EP1179550A1 | 2002-02-13 | |||
| JP2002363116A | 2002-12-18 |
Other References:
See also references of EP 1672005A4
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