JPS5346915A - Preparation of alkali salt of aminopolyacetic acid - Google Patents
Preparation of alkali salt of aminopolyacetic acidInfo
- Publication number
- JPS5346915A JPS5346915A JP12084476A JP12084476A JPS5346915A JP S5346915 A JPS5346915 A JP S5346915A JP 12084476 A JP12084476 A JP 12084476A JP 12084476 A JP12084476 A JP 12084476A JP S5346915 A JPS5346915 A JP S5346915A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- alkali salt
- aminopolyacetic acid
- aminopolyacetic
- acid
- 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: In preparation of the title compound from an amino compound, hydrogen cyanide and formaldehyde, improvement of yield and lowering of cost for treatment of waste water are aimed by condensing a part of water vapor removed together with by-produced ammonia, and recycling it.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12084476A JPS5346915A (en) | 1976-10-09 | 1976-10-09 | Preparation of alkali salt of aminopolyacetic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12084476A JPS5346915A (en) | 1976-10-09 | 1976-10-09 | Preparation of alkali salt of aminopolyacetic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5346915A true JPS5346915A (en) | 1978-04-27 |
JPS5639301B2 JPS5639301B2 (en) | 1981-09-11 |
Family
ID=14796348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12084476A Granted JPS5346915A (en) | 1976-10-09 | 1976-10-09 | Preparation of alkali salt of aminopolyacetic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5346915A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011148802A (en) * | 1993-06-16 | 2011-08-04 | Basf Se | Method for producing glycine-n, n-diacetic acid derivative as biodegradable complexing agent for alkaline earth metal and heavy metal ion |
US10522181B2 (en) | 2016-04-08 | 2019-12-31 | Sony Corporation | High density optical recording medium having multiple recording layers |
-
1976
- 1976-10-09 JP JP12084476A patent/JPS5346915A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011148802A (en) * | 1993-06-16 | 2011-08-04 | Basf Se | Method for producing glycine-n, n-diacetic acid derivative as biodegradable complexing agent for alkaline earth metal and heavy metal ion |
US10522181B2 (en) | 2016-04-08 | 2019-12-31 | Sony Corporation | High density optical recording medium having multiple recording layers |
Also Published As
Publication number | Publication date |
---|---|
JPS5639301B2 (en) | 1981-09-11 |
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