BE629723A - Procédé perfectionné de préparation de la mélamine. - Google Patents

Procédé perfectionné de préparation de la mélamine.

Info

Publication number
BE629723A
BE629723A BE629723A BE629723A BE629723A BE 629723 A BE629723 A BE 629723A BE 629723 A BE629723 A BE 629723A BE 629723 A BE629723 A BE 629723A BE 629723 A BE629723 A BE 629723A
Authority
BE
Belgium
Prior art keywords
improved process
preparing melamine
melamine
preparing
improved
Prior art date
Application number
BE629723A
Other languages
English (en)
Inventor
Kensie Nozaki
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BE629723A publication Critical patent/BE629723A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia

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)
BE629723A 1962-03-20 1963-03-18 Procédé perfectionné de préparation de la mélamine. BE629723A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18103262A 1962-03-20 1962-03-20

Publications (1)

Publication Number Publication Date
BE629723A true BE629723A (fr) 1963-10-21

Family

ID=22662618

Family Applications (1)

Application Number Title Priority Date Filing Date
BE629723A BE629723A (fr) 1962-03-20 1963-03-18 Procédé perfectionné de préparation de la mélamine.

Country Status (2)

Country Link
BE (1) BE629723A (fr)
GB (1) GB985290A (fr)

Also Published As

Publication number Publication date
GB985290A (en) 1965-03-03

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