FR1436942A - Purification process - Google Patents

Purification process

Info

Publication number
FR1436942A
FR1436942A FR18420A FR18420A FR1436942A FR 1436942 A FR1436942 A FR 1436942A FR 18420 A FR18420 A FR 18420A FR 18420 A FR18420 A FR 18420A FR 1436942 A FR1436942 A FR 1436942A
Authority
FR
France
Prior art keywords
purification process
purification
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
FR18420A
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1436942A publication Critical patent/FR1436942A/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
FR18420A 1964-05-27 1965-05-25 Purification process Expired FR1436942A (en)

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
FR1436942A true FR1436942A (en) 1966-04-29

Family

ID=10171563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR18420A Expired FR1436942A (en) 1964-05-27 1965-05-25 Purification process

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)

Families Citing this family (6)

* 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
DE19636766A1 (en) 1996-09-10 1998-03-12 Basf Ag Process for the simultaneous production of 6-aminocapronitrile and hexamethylenediamine
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
EP3344598B1 (en) * 2015-09-03 2021-04-14 INVISTA Textiles (U.K.) Limited Inhibiting cpi formation from adiponitrile
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
BE664107A (en) 1965-11-18
NL6506418A (en) 1965-11-29
CH457389A (en) 1968-06-15
GB1094908A (en) 1967-12-13
DE1283823B (en) 1968-11-28

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