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Patent Searching and Data


Title:
PROCESS FOR THE PREPARATION OF CUMENE HYDROPEROXIDE
Document Type and Number:
WIPO Patent Application WO/1995/004717
Kind Code:
A1
Abstract:
The present invention relates to the field of the production of phenol from cumene. It concerns a process for the preparation of cumene hydroperoxide, continuously, by oxidation of cumene in liquid phase, in the presence of oxygen. The process occording to the invention is carried out in the presence of at least one agent selected amongst hydroxide, carbonate of an alcaline and/or alcaline-earth metal; said agent is used in a quantity of 2 to 10 ppb (expressed in sodium hydroxide) with respect to the amount of cumene used. The invention also relates to the utilization of the hydroperoxide thus obtained for the preparation of phenol.

Inventors:
AMADIO JOAO (FR)
LE CORRE BRICE (FR)
CHARRIN JEAN-JACQUES (FR)
HOUZARD XAVIER (FR)
LAURENT PHILIPPE (FR)
NOYERIE ROLAND (FR)
QUENTON YVES-MICHEL (FR)
Application Number:
PCT/FR1994/000990
Publication Date:
February 16, 1995
Filing Date:
August 08, 1994
Export Citation:
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Assignee:
RHONE POULENC CHIMIE (FR)
AMADIO JOAO (FR)
CORRE BRICE LE (FR)
CHARRIN JEAN JACQUES (FR)
HOUZARD XAVIER (FR)
LAURENT PHILIPPE (FR)
NOYERIE ROLAND (FR)
QUENTON YVES MICHEL (FR)
International Classes:
C07C407/00; C07C39/04; C07C409/10; (IPC1-7): C07C409/10; C07C407/00
Foreign References:
EP0032758A21981-07-29
US4262143A1981-04-14
Other References:
DATABASE WPI Section Ch Week 9206, Derwent World Patents Index; Class E14, AN 92-044352
See also references of EP 0712392A1
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