Title:
BISPHENOL A PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/129640
Kind Code:
A1
Abstract:
Provided is a bisphenol A production method in which, within one hour after granulating bisphenol A, isopropenylphenol concentration under ambient temperature conditions of 10-50˚C is monitored and the concentration is controlled to be no more than 150 ppm by mass.
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Inventors:
HAYAKAWA TAKASHI (JP)
HOSHINO HIROAKI (JP)
HOSHINO HIROAKI (JP)
Application Number:
PCT/JP2015/055092
Publication Date:
September 03, 2015
Filing Date:
February 23, 2015
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C07C37/84; C07C37/20; C07C37/74; C07C37/82; C07C39/16; C07B61/00
Foreign References:
| JP2005075736A | 2005-03-24 | |||
| JP2007308408A | 2007-11-29 |
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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