Title:
METHOD FOR PRODUCING BIS(2-HYDROXY-2-PROPYL)BENZENE
Document Type and Number:
WIPO Patent Application WO/2021/140820
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for producing bis(2-hydroxy-2-propyl)benzene, with which clogging of pipework can be prevented and production efficiency can be improved in a step for drying bis(2-hydroxy-2-propyl)benzene. The foregoing can be achieved by using a production method that includes a drying step in which water-containing bis(2-hydroxy-2-propyl)benzene is dried under conditions where the bis(2-hydroxy-2-propyl)benzene does not undergo sublimation and under conditions that lie below a water vapor pressure curve.
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Inventors:
KOIKE HIROFUMI (JP)
SAWANO NAOTO (SG)
YOSHII MASAYUKI (JP)
SAWANO NAOTO (SG)
YOSHII MASAYUKI (JP)
Application Number:
PCT/JP2020/045843
Publication Date:
July 15, 2021
Filing Date:
December 09, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07C29/76; C07C33/26
Foreign References:
| JP2007246512A | 2007-09-27 | |||
| JP2007246512A | 2007-09-27 |
Other References:
"KAGAKU BENRAN OYO KAGAKU HEN I [Chemical Handbook - Applied Chemistry]", 30 November 2002, MARUZEN COMPANY , JP , ISBN: 4-621-07138-6, article CHEMICAL SOCIETY OF JAPAN: "4.3.1 Basics of Separation and Purification", pages: 176 - 177, XP009538303
"New Experimental Chemistry Course 2: Basic Techniques 1 - Heat and Pressure.", 1 February 1977, CHEMICAL SOCIETY OF JAPAN, JP, article CHEMICAL SOCIETY OF JAPAN: "7: Measurement of Equilibrium Vapor Pressure", pages: 333 - 409, XP009543970, DOI: 10.11501/12698440
See also references of EP 4089067A4
"New Experimental Chemistry Course 2: Basic Techniques 1 - Heat and Pressure.", 1 February 1977, CHEMICAL SOCIETY OF JAPAN, JP, article CHEMICAL SOCIETY OF JAPAN: "7: Measurement of Equilibrium Vapor Pressure", pages: 333 - 409, XP009543970, DOI: 10.11501/12698440
See also references of EP 4089067A4
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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