ATE237600T1 - Verfahren zur herstellung von melamin - Google Patents

Verfahren zur herstellung von melamin

Info

Publication number
ATE237600T1
ATE237600T1 AT98923214T AT98923214T ATE237600T1 AT E237600 T1 ATE237600 T1 AT E237600T1 AT 98923214 T AT98923214 T AT 98923214T AT 98923214 T AT98923214 T AT 98923214T AT E237600 T1 ATE237600 T1 AT E237600T1
Authority
AT
Austria
Prior art keywords
melamine
pressure
product
melt
temperature
Prior art date
Application number
AT98923214T
Other languages
English (en)
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
Application granted granted Critical
Publication of ATE237600T1 publication Critical patent/ATE237600T1/de

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)
  • 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)
AT98923214T 1997-05-21 1998-05-15 Verfahren zur herstellung von melamin ATE237600T1 (de)

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 (en) 1997-05-21 1998-05-15 Method for preparing melamine

Publications (1)

Publication Number Publication Date
ATE237600T1 true ATE237600T1 (de) 2003-05-15

Family

ID=26146602

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98923214T ATE237600T1 (de) 1997-05-21 1998-05-15 Verfahren zur herstellung von melamin

Country Status (15)

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

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 (de) * 1999-03-08 2000-09-13 Dsm N.V. Verfahren zur Herstellung von Melamin aus Harnstoff

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.
JP2002500664A (ja) * 1997-05-28 2002-01-08 ディーエスエム エヌ．ブイ． メラミンの製造法
CA2291627C (en) * 1997-06-02 2008-12-09 Dsm N.V. Crystalline melamine
JP2002502416A (ja) * 1997-06-02 2002-01-22 ディーエスエム エヌ．ブイ． メラミンの製造法

Also Published As

Publication number Publication date
WO1998052928A1 (en) 1998-11-26
KR100495262B1 (ko) 2005-06-14
CN1144792C (zh) 2004-04-07
CN1256689A (zh) 2000-06-14
NO995694D0 (no) 1999-11-19
NO995694L (no) 1999-11-19
US6235902B1 (en) 2001-05-22
EP0983250A1 (de) 2000-03-08
SA98190269B1 (ar) 2006-08-15
AU7555398A (en) 1998-12-11
ID22917A (id) 1999-12-16
AU728549B2 (en) 2001-01-11
CA2290478A1 (en) 1998-11-26
JP2002502373A (ja) 2002-01-22
ES2197470T3 (es) 2004-01-01
EP0983250B1 (de) 2003-04-16
DE69813545T2 (de) 2004-04-08
NO312194B1 (no) 2002-04-08
CA2290478C (en) 2008-07-29
KR20010012459A (ko) 2001-02-15
TW464644B (en) 2001-11-21
DE69813545D1 (de) 2003-05-22

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