JPS4932844B1 - - Google Patents

Info

Publication number
JPS4932844B1
JPS4932844B1 JP38040942A JP4094263A JPS4932844B1 JP S4932844 B1 JPS4932844 B1 JP S4932844B1 JP 38040942 A JP38040942 A JP 38040942A JP 4094263 A JP4094263 A JP 4094263A JP S4932844 B1 JPS4932844 B1 JP S4932844B1
Authority
JP
Japan
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.)
Pending
Application number
JP38040942A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4932844B1 publication Critical patent/JPS4932844B1/ja
Pending 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/03—Acrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP38040942A 1962-08-22 1963-08-10 Pending JPS4932844B1 (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US218512A US3149055A (en) 1962-08-22 1962-08-22 Purification of olefinically unsaturated nitriles

Publications (1)

Publication Number Publication Date
JPS4932844B1 true JPS4932844B1 (Direct) 1974-09-03

Family

ID=22815425

Family Applications (2)

Application Number Title Priority Date Filing Date
JP38040942A Pending JPS4932844B1 (Direct) 1962-08-22 1963-08-10
JP39049316A Pending JPS5011367B1 (Direct) 1962-08-22 1964-08-17

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP39049316A Pending JPS5011367B1 (Direct) 1962-08-22 1964-08-17

Country Status (2)

Country Link
US (1) US3149055A (Direct)
JP (2) JPS4932844B1 (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144245A (en) * 1978-05-02 1979-11-10 Masao Sugiyama Direction changer for footgear

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1211738B (de) * 1962-12-22 1966-03-03 Erdoelchemie Gmbh Verfahren zur Trennung von C-Kohlenwasserstoffgemischen, die paraffinische, monoolefinische und diolefinische C-Kohlen-wasserstoffe enthalten
FR1427860A (fr) * 1964-12-24 1966-02-11 Electrochimie Soc Perfectionnements aux procédés d'obtention d'acrylonitrile et d'acétonitrile purs
US3507755A (en) * 1967-10-17 1970-04-21 Bayer Ag Process for the purification of acrylonitrile by distillation with side stream withdrawal and decantation
FR2045610A1 (Direct) * 1969-06-09 1971-03-05 Ugine Kuhlmann
US3862890A (en) * 1971-09-03 1975-01-28 Robert D Presson Fractional distillation using a vapor side stream to control hcn concentration in purificatin of crude nitriles
US4166008A (en) * 1977-07-29 1979-08-28 The Standard Oil Company Process for recovery of olefinic nitriles
US4276125A (en) * 1979-02-02 1981-06-30 Asahi Kasei Kogyo Kabushiki Kaisha Process for purification of crude olefinically unsaturated nitrile and condenser useful for same process
US4341535A (en) * 1981-01-02 1982-07-27 The Standard Oil Co. Ammonium sulfate recovery process
US5869730A (en) * 1998-05-13 1999-02-09 The Standard Oil Company Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams
US6296739B1 (en) * 1999-01-08 2001-10-02 The Standard Oil Company Operation of heads column

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404163A (en) * 1939-10-31 1946-07-16 American Cyanamid Co Method of refining crude olefinic nitriles
US2608576A (en) * 1949-10-29 1952-08-26 Allied Chem & Dye Corp Acrylonitrile synthesis
US2681306A (en) * 1952-02-06 1954-06-15 Du Pont Purification of acrylonitrile by extractive distillation
US3073753A (en) * 1957-10-10 1963-01-15 Distillers Co Yeast Ltd Recovery of acrylonitrile
US3051630A (en) * 1958-01-25 1962-08-28 Distillers Co Yeast Ltd Purification of acrylonitrile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144245A (en) * 1978-05-02 1979-11-10 Masao Sugiyama Direction changer for footgear

Also Published As

Publication number Publication date
US3149055A (en) 1964-09-15
JPS5011367B1 (Direct) 1975-04-30

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