MX9709469A - Estabilizacion de nitrilo. - Google Patents

Estabilizacion de nitrilo.

Info

Publication number
MX9709469A
MX9709469A MX9709469A MX9709469A MX9709469A MX 9709469 A MX9709469 A MX 9709469A MX 9709469 A MX9709469 A MX 9709469A MX 9709469 A MX9709469 A MX 9709469A MX 9709469 A MX9709469 A MX 9709469A
Authority
MX
Mexico
Prior art keywords
nitrile
stabilization
present
edtn
nitrilotriacetonitrile
Prior art date
Application number
MX9709469A
Other languages
English (en)
Other versions
MXPA97009469A (es
Inventor
Gerald J O'neill
Albert H Levesque
Original Assignee
Hampshire Chemical Corp
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 Hampshire Chemical Corp filed Critical Hampshire Chemical Corp
Publication of MXPA97009469A publication Critical patent/MXPA97009469A/es
Publication of MX9709469A publication Critical patent/MX9709469A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Paper (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Glass Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Se describe un método para estabilizar nitrilo en particular iminodiacetonitrilo (IDAN), etilendiaminotriacetonitrilo (EDTN), y especialmente nitrilotriacetonitrilo (NTAN). La presente invencion también abarca el nitrilo estabilizado resultante. El método de la presente invencion comprende el poner en contacto el nitrilo con una mezcla de sílice y alumina, zeolita o vidrio.
MX9709469A 1995-06-06 1996-05-31 Estabilizacion de nitrilo. MX9709469A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08466095 1995-06-06
US08/466,095 US5616772A (en) 1995-06-06 1995-06-06 Method of stabilizing nitriles
PCT/US1996/008234 WO1996039381A1 (en) 1995-06-06 1996-05-31 Nitrile stabilization

Publications (2)

Publication Number Publication Date
MXPA97009469A MXPA97009469A (es) 1998-02-01
MX9709469A true MX9709469A (es) 1998-02-28

Family

ID=23850442

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9709469A MX9709469A (es) 1995-06-06 1996-05-31 Estabilizacion de nitrilo.

Country Status (12)

Country Link
US (1) US5616772A (es)
EP (4) EP0859758B1 (es)
JP (1) JPH11507039A (es)
CN (1) CN1068870C (es)
AT (1) ATE207893T1 (es)
BR (1) BR9609141A (es)
CA (1) CA2220490A1 (es)
DE (1) DE69616582T2 (es)
ES (1) ES2162062T3 (es)
MX (1) MX9709469A (es)
WO (1) WO1996039381A1 (es)
ZA (1) ZA964262B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1331844C (zh) * 2006-03-30 2007-08-15 重庆紫光化工有限责任公司 亚氨基二乙腈的制备工艺
CN102485711B (zh) * 2010-12-03 2013-12-11 万华化学集团股份有限公司 一种n1-(2-氨乙基)-1,2-乙二胺的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2175805A (en) * 1937-06-08 1939-10-10 Du Pont Stabilized organic nitrile and process of making
US2590072A (en) * 1950-03-14 1952-03-18 Hercules Powder Co Ltd Method of preparing stabilized rosin nitriles
NL135576C (es) * 1958-09-12
US3328458A (en) * 1964-09-10 1967-06-27 Universal Oil Prod Co Purification of nitriles
US3515742A (en) * 1967-05-08 1970-06-02 Grace W R & Co Adiabatic process for preparing aminonitriles using heat recycle
US3504011A (en) * 1967-08-07 1970-03-31 Grace W R & Co Process for preparing nitrilotriacetonitrile
GB1223790A (en) * 1969-12-17 1971-03-03 Ugine Kuhlmann Improvements relating to the purification of nitriles
US3988360A (en) * 1973-11-15 1976-10-26 W. R. Grace & Co. Process for preparing iminodiacetonitrile
US4235808A (en) * 1978-09-01 1980-11-25 Phillips Petroleum Company Purification of unsaturated dinitriles by contacting with chi-alumina prior to hydrogenation
US4560516A (en) * 1981-12-21 1985-12-24 Ciba-Geigy Corporation Process for the production of ethylenediamine tetraacetonitrile
DE3638011A1 (de) * 1986-11-07 1988-05-11 Basf Ag Verfahren zur herstellung von 4-pentensaeureestern
US4895971A (en) * 1988-10-31 1990-01-23 W. R. Grace & Co.-Conn. Process for the production of iminodiacetonitrile
JP2520458B2 (ja) * 1988-11-09 1996-07-31 三井東圧化学株式会社 アミノアセトニトリル類の安定化法
US5097072A (en) * 1990-02-05 1992-03-17 W.R. Grace & Co.-Conn. Preparation of polyamines

Also Published As

Publication number Publication date
US5616772A (en) 1997-04-01
EP0859758A4 (es) 1998-09-02
DE69616582D1 (de) 2001-12-06
CN1187187A (zh) 1998-07-08
EP1031562A3 (en) 2000-09-06
CA2220490A1 (en) 1996-12-12
CN1068870C (zh) 2001-07-25
EP1031557A3 (en) 2000-09-06
WO1996039381A1 (en) 1996-12-12
BR9609141A (pt) 1999-02-23
ES2162062T3 (es) 2001-12-16
EP0859758A1 (en) 1998-08-26
EP1031557A2 (en) 2000-08-30
DE69616582T2 (de) 2002-07-11
EP1031558A3 (en) 2000-09-06
EP1031562A2 (en) 2000-08-30
ZA964262B (en) 1996-08-26
EP0859758B1 (en) 2001-10-31
EP1031558A2 (en) 2000-08-30
ATE207893T1 (de) 2001-11-15
JPH11507039A (ja) 1999-06-22

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