GB949388A - Process for preparing melamine - Google Patents

Process for preparing melamine

Info

Publication number
GB949388A
GB949388A GB35538/60A GB3553860A GB949388A GB 949388 A GB949388 A GB 949388A GB 35538/60 A GB35538/60 A GB 35538/60A GB 3553860 A GB3553860 A GB 3553860A GB 949388 A GB949388 A GB 949388A
Authority
GB
United Kingdom
Prior art keywords
ammonia
reactor
carbon dioxide
melamine
stage
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
GB35538/60A
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Publication of GB949388A publication Critical patent/GB949388A/en
Expired legal-status Critical Current

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
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB35538/60A 1959-10-22 1960-10-17 Process for preparing melamine Expired GB949388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1761859 1959-10-22

Publications (1)

Publication Number Publication Date
GB949388A true GB949388A (en) 1964-02-12

Family

ID=11150511

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35538/60A Expired GB949388A (en) 1959-10-22 1960-10-17 Process for preparing melamine

Country Status (5)

Country Link
BE (1) BE596270A (cg-RX-API-DMAC10.html)
CH (1) CH409982A (cg-RX-API-DMAC10.html)
ES (1) ES261878A1 (cg-RX-API-DMAC10.html)
GB (1) GB949388A (cg-RX-API-DMAC10.html)
SE (1) SE300210B (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
ES261878A1 (es) 1961-04-01
SE300210B (cg-RX-API-DMAC10.html) 1968-04-22
BE596270A (fr) 1961-04-21
CH409982A (de) 1966-03-31

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