GB1094908A - Isolation of pure adiponitrile from fore-run fraction - Google Patents

Isolation of pure adiponitrile from fore-run fraction

Info

Publication number
GB1094908A
GB1094908A GB2195564A GB2195564A GB1094908A GB 1094908 A GB1094908 A GB 1094908A GB 2195564 A GB2195564 A GB 2195564A GB 2195564 A GB2195564 A GB 2195564A GB 1094908 A GB1094908 A GB 1094908A
Authority
GB
United Kingdom
Prior art keywords
fore
isolation
run fraction
adiponitrile
pure adiponitrile
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
GB2195564A
Inventor
Charles Brierley
David Morgan Leyshon
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2195564A priority Critical patent/GB1094908A/en
Priority to BE664107A priority patent/BE664107A/xx
Priority to DE1965J0028163 priority patent/DE1283823B/en
Priority to NL6506418A priority patent/NL6506418A/xx
Priority to FR18420A priority patent/FR1436942A/en
Priority to CH735565A priority patent/CH457389A/en
Publication of GB1094908A publication Critical patent/GB1094908A/en
Expired legal-status Critical Current

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
    • C07C253/34—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/22—Preparation of carboxylic acid nitriles by reaction of ammonia with carboxylic acids with replacement of carboxyl groups by cyano groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Adiponitrile is isolated from the fore-run fraction obtained during the distillation of crude adiponitrile produced by heating adipic acid with ammonia, by treating the fore-run fraction with aqueous mineral acid and redistilling.
GB2195564A 1964-05-27 1964-05-27 Isolation of pure adiponitrile from fore-run fraction Expired GB1094908A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB2195564A GB1094908A (en) 1964-05-27 1964-05-27 Isolation of pure adiponitrile from fore-run fraction
BE664107A BE664107A (en) 1964-05-27 1965-05-18
DE1965J0028163 DE1283823B (en) 1964-05-27 1965-05-19 Process for the production of Adipinsaeuredinitril
NL6506418A NL6506418A (en) 1964-05-27 1965-05-20
FR18420A FR1436942A (en) 1964-05-27 1965-05-25 Purification process
CH735565A CH457389A (en) 1964-05-27 1965-05-26 Process for the purification of adiponitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2195564A GB1094908A (en) 1964-05-27 1964-05-27 Isolation of pure adiponitrile from fore-run fraction

Publications (1)

Publication Number Publication Date
GB1094908A true GB1094908A (en) 1967-12-13

Family

ID=10171563

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2195564A Expired GB1094908A (en) 1964-05-27 1964-05-27 Isolation of pure adiponitrile from fore-run fraction

Country Status (6)

Country Link
BE (1) BE664107A (en)
CH (1) CH457389A (en)
DE (1) DE1283823B (en)
FR (1) FR1436942A (en)
GB (1) GB1094908A (en)
NL (1) NL6506418A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775258A (en) * 1972-04-27 1973-11-27 Du Pont Canada Purification of adiponitrile
WO1998011060A1 (en) * 1996-09-10 1998-03-19 Basf Aktiengesellschaft Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine
WO2017040583A1 (en) * 2015-09-03 2017-03-09 Invista North America S.A R.L. Inhibiting cpi formation from adiponitrile
WO2017192350A1 (en) * 2016-05-02 2017-11-09 Invista North America S.A R.L. Process for reducing cpi in a dinitrile stream

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2447242A1 (en) 2010-10-29 2012-05-02 LANXESS Deutschland GmbH Method for producing all-E sorbic acid anhydride
EP2607346A1 (en) 2011-12-21 2013-06-26 Saltigo GmbH Method for producing, stabilising and packing sorbic acid hydride

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775258A (en) * 1972-04-27 1973-11-27 Du Pont Canada Purification of adiponitrile
WO1998011060A1 (en) * 1996-09-10 1998-03-19 Basf Aktiengesellschaft Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine
US6207851B1 (en) 1996-09-10 2001-03-27 Basf Aktiengesellschaft Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine
WO2017040583A1 (en) * 2015-09-03 2017-03-09 Invista North America S.A R.L. Inhibiting cpi formation from adiponitrile
CN108137487A (en) * 2015-09-03 2018-06-08 英威达纺织（英国）有限公司 Inhibit to form CPI by adiponitrile
US10640459B2 (en) 2015-09-03 2020-05-05 Invista North America S.A.R.L. Inhibiting CPI formation from adiponitrile
WO2017192350A1 (en) * 2016-05-02 2017-11-09 Invista North America S.A R.L. Process for reducing cpi in a dinitrile stream
CN109071421A (en) * 2016-05-02 2018-12-21 英威达纺织（英国）有限公司 The method for reducing the CPI in dintrile stream
US11028045B2 (en) 2016-05-02 2021-06-08 Inv Nylon Chemicals Americas, Llc Process for reducing CPI in a dinitrile stream

Also Published As

Publication number Publication date
DE1283823B (en) 1968-11-28
NL6506418A (en) 1965-11-29
CH457389A (en) 1968-06-15
BE664107A (en) 1965-11-18
FR1436942A (en) 1966-04-29

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