CA1031787A - Procede de preparation de l'iminodiacetonitrile et d'iminodiacetates de metaux alcalins - Google Patents

Procede de preparation de l'iminodiacetonitrile et d'iminodiacetates de metaux alcalins

Info

Publication number
CA1031787A
CA1031787A CA215,004A CA215004A CA1031787A CA 1031787 A CA1031787 A CA 1031787A CA 215004 A CA215004 A CA 215004A CA 1031787 A CA1031787 A CA 1031787A
Authority
CA
Canada
Prior art keywords
iminodiacetates
alkali metal
iminodiacetonitrile
preparing
preparing iminodiacetonitrile
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
Application number
CA215,004A
Other languages
English (en)
Other versions
CA215004S (en
Inventor
Jon C. Thunberg
Roger R. Gaudette
James E. Philbrook
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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
Priority to US416026A priority Critical patent/US3904668A/en
Priority to GB49339/74A priority patent/GB1484628A/en
Application filed by WR Grace and Co filed Critical WR Grace and Co
Priority to CA215,004A priority patent/CA1031787A/fr
Priority to US05/611,369 priority patent/US3988360A/en
Application granted granted Critical
Publication of CA1031787A publication Critical patent/CA1031787A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA215,004A 1973-11-15 1974-12-02 Procede de preparation de l'iminodiacetonitrile et d'iminodiacetates de metaux alcalins Expired CA1031787A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US416026A US3904668A (en) 1973-11-15 1973-11-15 Process for preparing iminodiacetonitrile and alkali metal iminodiacetates
GB49339/74A GB1484628A (en) 1973-11-15 1974-11-14 Process for preparing iminodiacetonitrile and alkali metal iminodiacetates
CA215,004A CA1031787A (fr) 1973-11-15 1974-12-02 Procede de preparation de l'iminodiacetonitrile et d'iminodiacetates de metaux alcalins
US05/611,369 US3988360A (en) 1973-11-15 1975-09-08 Process for preparing iminodiacetonitrile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US416026A US3904668A (en) 1973-11-15 1973-11-15 Process for preparing iminodiacetonitrile and alkali metal iminodiacetates
CA215,004A CA1031787A (fr) 1973-11-15 1974-12-02 Procede de preparation de l'iminodiacetonitrile et d'iminodiacetates de metaux alcalins

Publications (1)

Publication Number Publication Date
CA1031787A true CA1031787A (fr) 1978-05-23

Family

ID=25667764

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215,004A Expired CA1031787A (fr) 1973-11-15 1974-12-02 Procede de preparation de l'iminodiacetonitrile et d'iminodiacetates de metaux alcalins

Country Status (3)

Country Link
US (1) US3904668A (fr)
CA (1) CA1031787A (fr)
GB (1) GB1484628A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988360A (en) * 1973-11-15 1976-10-26 W. R. Grace & Co. Process for preparing iminodiacetonitrile
US4156096A (en) * 1978-03-15 1979-05-22 W. R. Grace & Co. Process for recovering dissolved iminodiacetonitrile from effluent liquors
DE2942437A1 (de) * 1979-10-20 1981-04-23 Degussa Ag, 6000 Frankfurt Verfahren zur herstellung von iminodiacetonitril
FR2523576A1 (fr) * 1982-03-17 1983-09-23 Inst Francais Du Petrole Procede de preparation d'acides n-acyliminodiacetiques
US4724103A (en) * 1984-02-27 1988-02-09 Monsanto Company Process for preparing N,N-diacetic acid aminomethylenephosphonic acid
US4775498A (en) * 1984-12-05 1988-10-04 Monsanto Company Process for preparing N,N-diacetic acid aminomethylenephosphonic acid
US4661614A (en) * 1986-03-06 1987-04-28 Monsanto Company Process for the preparation of iminodiacetonitrile
US4948909A (en) * 1989-08-14 1990-08-14 Monsanto Company Process for the preparation of iminodiacetonitrile and iminodiacetic acid
US5187301A (en) * 1989-10-26 1993-02-16 W. R. Grace & Co.-Conn. Preparation of iminodiacetonitrile from glycolonitrile
US5488130A (en) * 1995-03-31 1996-01-30 The Dow Chemical Company Amino nitrile intermediate for the preparation of 2-hydroxypropyl iminodiacetic acid
US5986128A (en) * 1996-11-01 1999-11-16 Monsanto Company Use of monosodium iminodiacetic acid solutions in the preparation of N-phosphonomethyliminodiacetic acid
KR20000068931A (ko) 1997-02-13 2000-11-25 죤 에이치. 뷰센 아미노 카르복실산의 제조방법
IES980552A2 (en) 1998-07-09 1999-08-11 Agritech Chemical Ltd Improved process for preparing N-phosphonomethyl iminodiacetic acid
JP2002522549A (ja) 1998-08-12 2002-07-23 モンサント カンパニー Ｎ−（ホスホノメチル）イミノ二酢酸の連続製造法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511487A (en) * 1946-08-08 1950-06-13 Du Pont Synthesis of iminodiacetonitrile
US2794044A (en) * 1955-08-30 1957-05-28 Du Pont Synthesis of iminodiacetonitrile
US3167580A (en) * 1962-04-12 1965-01-26 American Cyanamid Co Process for the preparation of iminodiacetonitrile
US3412137A (en) * 1965-10-14 1968-11-19 Geigy Chemical Company Process for the preparation of nitriles
US3463811A (en) * 1967-09-01 1969-08-26 Grace W R & Co Process for preparing sodium nitrilotriacetate
US3534080A (en) * 1968-06-13 1970-10-13 Grace W R & Co Process for preparing methyleneiminodiacetonitrile substituted phenols
US3714223A (en) * 1969-12-15 1973-01-30 Grace W R & Co Process for preparing aminonitriles

Also Published As

Publication number Publication date
GB1484628A (en) 1977-09-01
US3904668A (en) 1975-09-09

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