CA633572A - Preparation of melamine - Google Patents

Preparation of melamine

Info

Publication number
CA633572A
CA633572A CA633572A CA633572DA CA633572A CA 633572 A CA633572 A CA 633572A CA 633572 A CA633572 A CA 633572A CA 633572D A CA633572D A CA 633572DA CA 633572 A CA633572 A CA 633572A
Authority
CA
Canada
Prior art keywords
melamine
preparation
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
CA633572A
Other languages
English (en)
Inventor
J. Steggerda Johannes
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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.)
Publication date
Application granted granted Critical
Publication of CA633572A publication Critical patent/CA633572A/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
    • 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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA633572A 1960-03-23 Preparation of melamine Expired CA633572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL249750 1960-03-23

Publications (1)

Publication Number Publication Date
CA633572A true CA633572A (en) 1961-12-26

Family

ID=19752240

Family Applications (2)

Application Number Title Priority Date Filing Date
CA697084A Expired CA697084A (en) 1960-03-23 Preparation of melamine
CA633572A Expired CA633572A (en) 1960-03-23 Preparation of melamine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA697084A Expired CA697084A (en) 1960-03-23 Preparation of melamine

Country Status (7)

Country Link
BE (1) BE601611A (OSRAM)
CA (2) CA633572A (OSRAM)
CH (1) CH409983A (OSRAM)
DE (1) DE1135482B (OSRAM)
ES (1) ES265903A1 (OSRAM)
GB (1) GB910198A (OSRAM)
SE (1) SE300211B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218320A (en) * 1961-06-19 1965-11-16 Allied Chem Process for producing a melamine-urea product

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290309A (en) * 1964-02-11 1966-12-06 Chemical Construction Corp Synthesis of melamine
EP2072504A1 (en) * 2007-12-20 2009-06-24 DSMIP Assets B.V. Process for the preparation of melamine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218320A (en) * 1961-06-19 1965-11-16 Allied Chem Process for producing a melamine-urea product

Also Published As

Publication number Publication date
ES265903A1 (es) 1961-10-01
GB910198A (en) 1962-11-14
DE1135482B (de) 1962-08-30
CH409983A (de) 1966-03-31
SE300211B (OSRAM) 1968-04-22
CA697084A (en) 1964-11-03
BE601611A (fr) 1961-09-21

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