JPS5212145A - Improved process for preparation of aromatic sulfonic acid alkali salt - Google Patents
Improved process for preparation of aromatic sulfonic acid alkali saltInfo
- Publication number
- JPS5212145A JPS5212145A JP8796675A JP8796675A JPS5212145A JP S5212145 A JPS5212145 A JP S5212145A JP 8796675 A JP8796675 A JP 8796675A JP 8796675 A JP8796675 A JP 8796675A JP S5212145 A JPS5212145 A JP S5212145A
- Authority
- JP
- Japan
- Prior art keywords
- sulfonic acid
- alkali salt
- acid alkali
- preparation
- aromatic sulfonic
- 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
Abstract
PURPOSE: High quality aromatic sulfonic acid alkali salt is prepared in high yield without causing environmetal pollution by treating an aromatic sulfonate mixture with a particular amine.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8796675A JPS5212145A (en) | 1975-07-17 | 1975-07-17 | Improved process for preparation of aromatic sulfonic acid alkali salt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8796675A JPS5212145A (en) | 1975-07-17 | 1975-07-17 | Improved process for preparation of aromatic sulfonic acid alkali salt |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5212145A true JPS5212145A (en) | 1977-01-29 |
JPS5537991B2 JPS5537991B2 (en) | 1980-10-01 |
Family
ID=13929586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8796675A Granted JPS5212145A (en) | 1975-07-17 | 1975-07-17 | Improved process for preparation of aromatic sulfonic acid alkali salt |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5212145A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0041134A2 (en) * | 1980-05-30 | 1981-12-09 | BASF Aktiengesellschaft | Process for the separation of water-soluble salts of aromatic sulphonic acids from sulphonated mixtures |
JPH01316401A (en) * | 1988-06-16 | 1989-12-21 | Sanyo Special Steel Co Ltd | Pressurized sintering method for powder material |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50130747A (en) * | 1974-04-03 | 1975-10-16 |
-
1975
- 1975-07-17 JP JP8796675A patent/JPS5212145A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50130747A (en) * | 1974-04-03 | 1975-10-16 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0041134A2 (en) * | 1980-05-30 | 1981-12-09 | BASF Aktiengesellschaft | Process for the separation of water-soluble salts of aromatic sulphonic acids from sulphonated mixtures |
JPH01316401A (en) * | 1988-06-16 | 1989-12-21 | Sanyo Special Steel Co Ltd | Pressurized sintering method for powder material |
Also Published As
Publication number | Publication date |
---|---|
JPS5537991B2 (en) | 1980-10-01 |
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