JPS5350130A - Purification of terephthalate or isophthalate - Google Patents
Purification of terephthalate or isophthalateInfo
- Publication number
- JPS5350130A JPS5350130A JP12228576A JP12228576A JPS5350130A JP S5350130 A JPS5350130 A JP S5350130A JP 12228576 A JP12228576 A JP 12228576A JP 12228576 A JP12228576 A JP 12228576A JP S5350130 A JPS5350130 A JP S5350130A
- Authority
- JP
- Japan
- Prior art keywords
- terephthalate
- isophthalate
- purification
- crude
- cotacting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To purify a crude terephthalate or a crude isophthalate containing an impurity of formylbenzoate by cotacting it with O2 gas in a liquid phase in the presence of an oxygenation catalyst of a certain catalytically active boron compound containing no heavy metals.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12228576A JPS5350130A (en) | 1976-10-14 | 1976-10-14 | Purification of terephthalate or isophthalate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12228576A JPS5350130A (en) | 1976-10-14 | 1976-10-14 | Purification of terephthalate or isophthalate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5350130A true JPS5350130A (en) | 1978-05-08 |
Family
ID=14832161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12228576A Pending JPS5350130A (en) | 1976-10-14 | 1976-10-14 | Purification of terephthalate or isophthalate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5350130A (en) |
-
1976
- 1976-10-14 JP JP12228576A patent/JPS5350130A/en active Pending
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