NL6918083A - - Google Patents

Info

Publication number
NL6918083A
NL6918083A NL6918083A NL6918083A NL6918083A NL 6918083 A NL6918083 A NL 6918083A NL 6918083 A NL6918083 A NL 6918083A NL 6918083 A NL6918083 A NL 6918083A NL 6918083 A NL6918083 A NL 6918083A
Authority
NL
Netherlands
Application number
NL6918083A
Other versions
NL167693B (nl
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 NL6918083A publication Critical patent/NL6918083A/xx
Publication of NL167693B publication Critical patent/NL167693B/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NL6918083.A 1968-12-02 1969-12-02 Werkwijze voor het bereiden van melamine. NL167693B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1812120A DE1812120C3 (de) 1968-12-02 1968-12-02 Verfahren zur Herstellung von Melamin

Publications (2)

Publication Number Publication Date
NL6918083A true NL6918083A (de) 1970-06-04
NL167693B NL167693B (nl) 1981-08-17

Family

ID=5714933

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6918083.A NL167693B (nl) 1968-12-02 1969-12-02 Werkwijze voor het bereiden van melamine.

Country Status (6)

Country Link
US (1) US3657236A (de)
AT (1) AT292723B (de)
DE (1) DE1812120C3 (de)
FR (1) FR2024979A1 (de)
GB (1) GB1282298A (de)
NL (1) NL167693B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895007A (en) * 1972-04-28 1975-07-15 Basf Ag Manufacture of melamine
NL7903473A (nl) * 1979-05-03 1980-11-05 Stamicarbon Werkwijze voor het bereiden van melamine.
FR2852011B1 (fr) * 2003-03-07 2006-07-07 Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impurete

Also Published As

Publication number Publication date
GB1282298A (en) 1972-07-19
DE1812120B2 (de) 1973-05-30
AT292723B (de) 1971-09-10
DE1812120C3 (de) 1974-02-28
US3657236A (en) 1972-04-18
FR2024979A1 (de) 1970-09-04
DE1812120A1 (de) 1970-06-11
NL167693B (nl) 1981-08-17

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Legal Events

Date Code Title Description
R1B Notice of opposition during period of laying open
R2W Refused after publication