JPS5346915A - Preparation of alkali salt of aminopolyacetic acid - Google Patents

Preparation of alkali salt of aminopolyacetic acid

Info

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
Application number
JP12084476A
Other languages
Japanese (ja)
Other versions
JPS5639301B2 (en
Inventor
Yasumasa Yamaguchi
Takeshi Narita
Hiroshi Terada
Yoji Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Chemical Industry Co Ltd
Original Assignee
Nitto Chemical Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nitto Chemical Industry Co Ltd filed Critical Nitto Chemical Industry Co Ltd
Priority to JP12084476A priority Critical patent/JPS5346915A/en
Publication of JPS5346915A publication Critical patent/JPS5346915A/en
Publication of JPS5639301B2 publication Critical patent/JPS5639301B2/ja
Granted legal-status Critical Current

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
JP12084476A 1976-10-09 1976-10-09 Preparation of alkali salt of aminopolyacetic acid Granted JPS5346915A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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