Title:
INTEGRATED PROCESS FOR THE PRODUCTION OF BISPHENOL A FROM CUMENE HYDROPEROXIDE
Document Type and Number:
WIPO Patent Application WO2004108640
Kind Code:
A3
Abstract:
Use of a specific combination of catalysts for the first and second steps of the process for the conversion of CHP to BPA provides high yields of BPA and low impurity yields, without a requirement for the intermediate purification steps. In the first step, CHP is cleaved in the presence of an acid treated clay such as acid treated Montmorillonite clay to produce phenol and acetone. In the second step, the phenol and acetone produced is reacted, preferably without intermediate purification, in the presence of a cation exchange resin catalyst that includes a cation exchange resin and a mercaptan or mercaptoalkanoic acid promoter to produce BPA.
More Like This:
Inventors:
KUMBHAR PRAMOD SHANKAR (IN)
THAMPI JEGADEESH (IN)
SINGH BHARAT (IN)
FULMER JOHN W (US)
TATAKE PRASHANT ANIL (IN)
THAMPI JEGADEESH (IN)
SINGH BHARAT (IN)
FULMER JOHN W (US)
TATAKE PRASHANT ANIL (IN)
Application Number:
PCT/US2004/011144
Publication Date:
February 24, 2005
Filing Date:
April 12, 2004
Export Citation:
Assignee:
GEN ELECTRIC (US)
KUMBHAR PRAMOD SHANKAR (IN)
THAMPI JEGADEESH (IN)
SINGH BHARAT (IN)
FULMER JOHN W (US)
TATAKE PRASHANT ANIL (IN)
KUMBHAR PRAMOD SHANKAR (IN)
THAMPI JEGADEESH (IN)
SINGH BHARAT (IN)
FULMER JOHN W (US)
TATAKE PRASHANT ANIL (IN)
International Classes:
C07C37/08; C07C37/20; (IPC1-7): C07C37/20; C07C37/08; C07C39/21
Domestic Patent References:
| WO1997022573A1 | 1997-06-26 |
Foreign References:
| US4870217A | 1989-09-26 | |||
| US6534686B1 | 2003-03-18 | |||
| GB766549A | 1957-01-23 |
Download PDF:
Previous Patent: HYDROGENATION OF MIDDLE DISTILLATE USING A COUNTER-CURRENT REACTOR
Next Patent: METHOD FOR PRODUCING 2,2'-DIHYDROXY-BIPHENYLS
Next Patent: METHOD FOR PRODUCING 2,2'-DIHYDROXY-BIPHENYLS