JPS5365832A - Purification of arom. diamines - Google Patents
Purification of arom. diaminesInfo
- Publication number
- JPS5365832A JPS5365832A JP14130476A JP14130476A JPS5365832A JP S5365832 A JPS5365832 A JP S5365832A JP 14130476 A JP14130476 A JP 14130476A JP 14130476 A JP14130476 A JP 14130476A JP S5365832 A JPS5365832 A JP S5365832A
- Authority
- JP
- Japan
- Prior art keywords
- arom
- diamines
- purification
- ortho
- diamine
- 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 purify arom. diamines by adding formamide to the arom. diamines contg. ortho-arom. diamine, followed by heating and removing the ortho-arom. diamine by distillation.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14130476A JPS5365832A (en) | 1976-11-26 | 1976-11-26 | Purification of arom. diamines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14130476A JPS5365832A (en) | 1976-11-26 | 1976-11-26 | Purification of arom. diamines |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5365832A true JPS5365832A (en) | 1978-06-12 |
JPS577624B2 JPS577624B2 (en) | 1982-02-12 |
Family
ID=15288765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14130476A Granted JPS5365832A (en) | 1976-11-26 | 1976-11-26 | Purification of arom. diamines |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5365832A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200141128A (en) | 2019-06-10 | 2020-12-18 | 금호석유화학 주식회사 | A method for separating ortho-diamine compounds |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE443100B (en) * | 1982-03-26 | 1986-02-17 | Sven Runo Vilhelm Gebelius | SET TO MANUFACTURE A CONISCULATIC RODFORMED ELEMENT BUT ITEMS MANUFACTURED AS SET |
-
1976
- 1976-11-26 JP JP14130476A patent/JPS5365832A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200141128A (en) | 2019-06-10 | 2020-12-18 | 금호석유화학 주식회사 | A method for separating ortho-diamine compounds |
Also Published As
Publication number | Publication date |
---|---|
JPS577624B2 (en) | 1982-02-12 |
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