GB1432407A - Process for purifying crude diamin-maleonitrile - Google Patents

Process for purifying crude diamin-maleonitrile

Info

Publication number
GB1432407A
GB1432407A GB3354473A GB3354473A GB1432407A GB 1432407 A GB1432407 A GB 1432407A GB 3354473 A GB3354473 A GB 3354473A GB 3354473 A GB3354473 A GB 3354473A GB 1432407 A GB1432407 A GB 1432407A
Authority
GB
United Kingdom
Prior art keywords
diaminomaleonitrile
july
maleonitrile
diamin
purifying crude
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
GB3354473A
Other languages
English (en)
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.)
Kyowa Gas Chemical Industry Co Ltd
Original Assignee
Kyowa Gas Chemical Industry Co 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
Priority claimed from JP7060872A external-priority patent/JPS4930318A/ja
Priority claimed from JP7060972A external-priority patent/JPS5610304B2/ja
Priority claimed from JP7097972A external-priority patent/JPS5136734B2/ja
Priority claimed from JP7097872A external-priority patent/JPS4930320A/ja
Application filed by Kyowa Gas Chemical Industry Co Ltd filed Critical Kyowa Gas Chemical Industry Co Ltd
Publication of GB1432407A publication Critical patent/GB1432407A/en
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)
GB3354473A 1972-07-13 1973-07-13 Process for purifying crude diamin-maleonitrile Expired GB1432407A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7060872A JPS4930318A (it) 1972-07-13 1972-07-13
JP7060972A JPS5610304B2 (it) 1972-07-13 1972-07-13
JP7097972A JPS5136734B2 (it) 1972-07-14 1972-07-14
JP7097872A JPS4930320A (it) 1972-07-14 1972-07-14

Publications (1)

Publication Number Publication Date
GB1432407A true GB1432407A (en) 1976-04-14

Family

ID=27465268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3354473A Expired GB1432407A (en) 1972-07-13 1973-07-13 Process for purifying crude diamin-maleonitrile

Country Status (6)

Country Link
CA (1) CA1030159A (it)
CH (1) CH579412A5 (it)
FR (1) FR2193007B1 (it)
GB (1) GB1432407A (it)
IT (1) IT998238B (it)
NL (1) NL159957C (it)

Also Published As

Publication number Publication date
NL159957C (nl) 1979-09-17
NL7309826A (it) 1974-01-15
IT998238B (it) 1976-01-20
FR2193007A1 (it) 1974-02-15
CH579412A5 (it) 1976-09-15
CA1030159A (en) 1978-04-25
DE2335768A1 (de) 1974-01-17
FR2193007B1 (it) 1976-11-12
DE2335768B2 (de) 1977-06-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee