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ES2018746A6 - Process for obtaining N,N- diaceticaminomethylenephosphonic acid - Google Patents

Process for obtaining N,N- diaceticaminomethylenephosphonic acid

Info

Publication number
ES2018746A6
ES2018746A6 ES8904322A ES8904322A ES2018746A6 ES 2018746 A6 ES2018746 A6 ES 2018746A6 ES 8904322 A ES8904322 A ES 8904322A ES 8904322 A ES8904322 A ES 8904322A ES 2018746 A6 ES2018746 A6 ES 2018746A6
Authority
ES
Spain
Prior art keywords
acid
diaceticaminomethylenephosphonic
obtaining
formula
compound
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.)
Expired - Lifetime
Application number
ES8904322A
Other languages
Spanish (es)
Inventor
Caceres Rafael M Obeso
Del Pozo M Isabel Urcelay
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.)
Adama Agriculture Espana SA
Original Assignee
Energia e Industias Aragonesas SA
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 Energia e Industias Aragonesas SA filed Critical Energia e Industias Aragonesas SA
Priority to ES8904322A priority Critical patent/ES2018746A6/en
Publication of ES2018746A6 publication Critical patent/ES2018746A6/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Process for obtaining N,N- diaceticaminomethylenephosphonic acid of formula I. Comprises reacting a compound of formula II in aqueous solution with formaldehyde, phosphorous acid and a strong mineral acid. The compound of formula I has application in the detergents industry and as a starting material for the manufacture of the herbicide N-phosphonomethyl-glycine. <IMAGE>
ES8904322A 1989-12-21 1989-12-21 Process for obtaining N,N- diaceticaminomethylenephosphonic acid Expired - Lifetime ES2018746A6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES8904322A ES2018746A6 (en) 1989-12-21 1989-12-21 Process for obtaining N,N- diaceticaminomethylenephosphonic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8904322A ES2018746A6 (en) 1989-12-21 1989-12-21 Process for obtaining N,N- diaceticaminomethylenephosphonic acid

Publications (1)

Publication Number Publication Date
ES2018746A6 true ES2018746A6 (en) 1991-05-01

Family

ID=8265198

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8904322A Expired - Lifetime ES2018746A6 (en) 1989-12-21 1989-12-21 Process for obtaining N,N- diaceticaminomethylenephosphonic acid

Country Status (1)

Country Link
ES (1) ES2018746A6 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014012986A1 (en) 2012-07-17 2014-01-23 Straitmark Holding Ag Method for the synthesis of n-phosphonomethyliminodiacetic acid
US9676799B2 (en) 2012-07-17 2017-06-13 Straitmark Holding Ag Method for the synthesis of N-(phosphonomethyl)glycine
US10280189B2 (en) 2012-07-17 2019-05-07 Monsanto Technology Llc Method for the synthesis of aminoalkylenephosphonic acid
US10464958B2 (en) 2012-07-17 2019-11-05 Monsanto Technology Llc Method for the synthesis of alpha-aminoalkylenephosphonic acid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014012986A1 (en) 2012-07-17 2014-01-23 Straitmark Holding Ag Method for the synthesis of n-phosphonomethyliminodiacetic acid
US9676799B2 (en) 2012-07-17 2017-06-13 Straitmark Holding Ag Method for the synthesis of N-(phosphonomethyl)glycine
US10280189B2 (en) 2012-07-17 2019-05-07 Monsanto Technology Llc Method for the synthesis of aminoalkylenephosphonic acid
US10364262B2 (en) 2012-07-17 2019-07-30 Monsanto Technology Llc Method for the synthesis of N-phosphonomethyliminodiacetic acid
US10464958B2 (en) 2012-07-17 2019-11-05 Monsanto Technology Llc Method for the synthesis of alpha-aminoalkylenephosphonic acid

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2009-12-21

PC1A Transfer granted

Owner name: ARAGONESAS AGRO, S.A.