NO312194B1 - Fremgangsmåte ved fremstilling av melamin - Google Patents

Fremgangsmåte ved fremstilling av melamin Download PDF

Info

Publication number
NO312194B1
NO312194B1 NO19995694A NO995694A NO312194B1 NO 312194 B1 NO312194 B1 NO 312194B1 NO 19995694 A NO19995694 A NO 19995694A NO 995694 A NO995694 A NO 995694A NO 312194 B1 NO312194 B1 NO 312194B1
Authority
NO
Norway
Prior art keywords
melamine
temperature
melt
ammonia
product
Prior art date
Application number
NO19995694A
Other languages
English (en)
Norwegian (no)
Other versions
NO995694L (no
NO995694D0 (no
Inventor
Tjay Tjien Tjioe
Original Assignee
Dsm Nv
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 NL1006095A external-priority patent/NL1006095C2/nl
Application filed by Dsm Nv filed Critical Dsm Nv
Publication of NO995694L publication Critical patent/NO995694L/no
Publication of NO995694D0 publication Critical patent/NO995694D0/no
Publication of NO312194B1 publication Critical patent/NO312194B1/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation 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)
  • Phenolic Resins Or Amino Resins (AREA)
  • Fertilizers (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
NO19995694A 1997-05-21 1999-11-19 Fremgangsmåte ved fremstilling av melamin NO312194B1 (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1006095A NL1006095C2 (nl) 1997-05-21 1997-05-21 Werkwijze voor het bereiden van melamine.
EP97201806 1997-06-16
PCT/NL1998/000278 WO1998052928A1 (fr) 1997-05-21 1998-05-15 Procede servant a preparer de la melamine

Publications (3)

Publication Number Publication Date
NO995694L NO995694L (no) 1999-11-19
NO995694D0 NO995694D0 (no) 1999-11-19
NO312194B1 true NO312194B1 (no) 2002-04-08

Family

ID=26146602

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19995694A NO312194B1 (no) 1997-05-21 1999-11-19 Fremgangsmåte ved fremstilling av melamin

Country Status (15)

Country Link
US (1) US6235902B1 (fr)
EP (1) EP0983250B1 (fr)
JP (1) JP2002502373A (fr)
KR (1) KR100495262B1 (fr)
CN (1) CN1144792C (fr)
AT (1) ATE237600T1 (fr)
AU (1) AU728549B2 (fr)
CA (1) CA2290478C (fr)
DE (1) DE69813545T2 (fr)
ES (1) ES2197470T3 (fr)
ID (1) ID22917A (fr)
NO (1) NO312194B1 (fr)
SA (1) SA98190269B1 (fr)
TW (1) TW464644B (fr)
WO (1) WO1998052928A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380385B1 (en) 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
EP1035117A1 (fr) * 1999-03-08 2000-09-13 Dsm N.V. Procédé pour la préparation de la mélamine a partir d'urée

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001874A (nl) * 1980-03-29 1981-11-02 Stamicarbon Inrichting voor het versproeien van een vloeistof met behulp van een gas.
SE430559B (sv) * 1982-04-08 1983-11-28 Alfa Laval Ab Sett att mjolka och anordning herfor
US4565867A (en) 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
NL9301098A (nl) * 1993-06-24 1995-01-16 Texas Industries Inc Inrichting voor het automatisch melken van dieren.
NL9301214A (nl) * 1993-07-12 1995-02-01 Texas Industries Inc Inrichting voor het automatisch melken van dieren.
NL9301378A (nl) * 1993-08-09 1995-03-01 Lely Nv C Van Der Inrichting voor het automatisch melken van dieren.
AT402294B (de) 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT402295B (de) 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
AT402296B (de) 1995-02-03 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
US5514797A (en) 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
US5514796A (en) 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process
AT403579B (de) 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
NL1003105C2 (nl) 1996-05-14 1997-11-18 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003328C2 (nl) 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
CA2291736A1 (fr) * 1997-05-28 1998-12-03 Dsm N.V. Procede de preparation de melamine
AU728823B2 (en) * 1997-06-02 2001-01-18 Dsm N.V. Method for preparing melamine
AU731077B2 (en) * 1997-06-02 2001-03-22 Dsm Ip Assets B.V. Crystalline melamine

Also Published As

Publication number Publication date
CA2290478C (fr) 2008-07-29
US6235902B1 (en) 2001-05-22
TW464644B (en) 2001-11-21
KR100495262B1 (ko) 2005-06-14
ID22917A (id) 1999-12-16
JP2002502373A (ja) 2002-01-22
ATE237600T1 (de) 2003-05-15
CA2290478A1 (fr) 1998-11-26
AU7555398A (en) 1998-12-11
DE69813545D1 (de) 2003-05-22
NO995694L (no) 1999-11-19
EP0983250B1 (fr) 2003-04-16
WO1998052928A1 (fr) 1998-11-26
CN1256689A (zh) 2000-06-14
DE69813545T2 (de) 2004-04-08
EP0983250A1 (fr) 2000-03-08
SA98190269B1 (ar) 2006-08-15
KR20010012459A (ko) 2001-02-15
ES2197470T3 (es) 2004-01-01
NO995694D0 (no) 1999-11-19
CN1144792C (zh) 2004-04-07
AU728549B2 (en) 2001-01-11

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