JPS5287126A - Industrial production of dihydric phenol - Google Patents
Industrial production of dihydric phenolInfo
- Publication number
- JPS5287126A JPS5287126A JP321476A JP321476A JPS5287126A JP S5287126 A JPS5287126 A JP S5287126A JP 321476 A JP321476 A JP 321476A JP 321476 A JP321476 A JP 321476A JP S5287126 A JPS5287126 A JP S5287126A
- Authority
- JP
- Japan
- Prior art keywords
- industrial production
- dihydric phenol
- dihydric phenols
- phenol
- treating
- 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.)
- Granted
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To produce in high yields dihydric phenols by treating with ion exchange resin before or after solvent extraction of crude dihydric phenols obtained by direct oxidation of phenol with H2O2 in the presence of a metal ion in an acidic aqueous solution.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP321476A JPS5828258B2 (en) | 1976-01-16 | 1976-01-16 | Industrial production method of dihydric phenols |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP321476A JPS5828258B2 (en) | 1976-01-16 | 1976-01-16 | Industrial production method of dihydric phenols |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5287126A true JPS5287126A (en) | 1977-07-20 |
JPS5828258B2 JPS5828258B2 (en) | 1983-06-15 |
Family
ID=11551182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP321476A Expired JPS5828258B2 (en) | 1976-01-16 | 1976-01-16 | Industrial production method of dihydric phenols |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5828258B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639029A (en) * | 1979-07-17 | 1981-04-14 | Bayer Ag | Manufacture of polyhydric phenols |
-
1976
- 1976-01-16 JP JP321476A patent/JPS5828258B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639029A (en) * | 1979-07-17 | 1981-04-14 | Bayer Ag | Manufacture of polyhydric phenols |
Also Published As
Publication number | Publication date |
---|---|
JPS5828258B2 (en) | 1983-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5287126A (en) | Industrial production of dihydric phenol | |
JPS52142904A (en) | Voice recognition system | |
JPS5250393A (en) | Process for preparing phenolic resins | |
JPS5355495A (en) | Purifying method for wet process phosphoric acid | |
SE7708033L (en) | PROCEDURE FOR EXTRACTION OF METAL IONS FROM A WATER SOLUTION | |
JPS5278831A (en) | Recovery of urea adsorbed on ion-exchange resin | |
JPS5235179A (en) | Recovering method of organic solvent | |
JPS52145594A (en) | Extraction of acidic polysaccharides | |
JPS5210226A (en) | Process for preparation of aromatic hydroxy compound | |
JPS522174A (en) | Self-matching etching process | |
JPS5222495A (en) | Display method | |
JPS5312900A (en) | Extraction of natural ribonucleic acid | |
JPS549203A (en) | Preparation of alpha-branched aliphatic carboxylic acid | |
JPS51135630A (en) | Method of making a magnetic head | |
JPS5226561A (en) | Process for producing regenerated cationic cellulose products | |
JPS51125030A (en) | Process for preparation of 0-alkenylphenols | |
JPS53133418A (en) | Production of magnetic head cores | |
JPS5224070A (en) | Productio method of magnetron anode | |
JPS5436222A (en) | Oxidation of phenol | |
JPS5377805A (en) | Wet treating method for manganese noduls | |
JPS51131824A (en) | Process for preparation of diglycollic acid | |
JPS5242652A (en) | Method for removing phosphoric acid from water | |
JPS51141805A (en) | Process for recovery of cellosolve | |
JPS5258375A (en) | Production of low reflection metal mask | |
JPS5235765A (en) | Method of neutralizing acidic and alkaline aqueous solutions alternati vely |