NO985744L - FremgangsmÕte ved fremstilling av melamin - Google Patents

FremgangsmÕte ved fremstilling av melamin

Info

Publication number
NO985744L
NO985744L NO985744A NO985744A NO985744L NO 985744 L NO985744 L NO 985744L NO 985744 A NO985744 A NO 985744A NO 985744 A NO985744 A NO 985744A NO 985744 L NO985744 L NO 985744L
Authority
NO
Norway
Prior art keywords
melamine
ammonia
melt
cooled
mixture
Prior art date
Application number
NO985744A
Other languages
English (en)
Other versions
NO311721B1 (no
NO985744D0 (no
Inventor
Julius Gerardus Theodoru Wijck
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
Application filed by Dsm Nv filed Critical Dsm Nv
Publication of NO985744D0 publication Critical patent/NO985744D0/no
Publication of NO985744L publication Critical patent/NO985744L/no
Publication of NO311721B1 publication Critical patent/NO311721B1/no

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)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
NO19985744A 1996-06-13 1998-12-08 Fremgangsmåte ved fremstilling av melamin NO311721B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1003328A NL1003328C2 (nl) 1996-06-13 1996-06-13 Werkwijze voor het bereiden van melamine.
PCT/NL1997/000333 WO1997047609A1 (en) 1996-06-13 1997-06-11 Method for the preparation of melamine

Publications (3)

Publication Number Publication Date
NO985744D0 NO985744D0 (no) 1998-12-08
NO985744L true NO985744L (no) 1999-01-29
NO311721B1 NO311721B1 (no) 2002-01-14

Family

ID=19763010

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19985744A NO311721B1 (no) 1996-06-13 1998-12-08 Fremgangsmåte ved fremstilling av melamin

Country Status (12)

Country Link
US (1) US6245909B1 (no)
EP (1) EP0920420B1 (no)
JP (1) JP2000511926A (no)
CN (1) CN1165530C (no)
AT (1) ATE234823T1 (no)
AU (1) AU720041B2 (no)
DE (1) DE69719996T2 (no)
ES (1) ES2195143T3 (no)
NL (1) NL1003328C2 (no)
NO (1) NO311721B1 (no)
PL (1) PL190787B1 (no)
WO (1) WO1997047609A1 (no)

Families Citing this family (14)

* 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
AU728549B2 (en) 1997-05-21 2001-01-11 Dsm Ip Assets B.V. Method for preparing 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
NL1006192C2 (nl) 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
CA2292597A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
EP1035117A1 (en) * 1999-03-08 2000-09-13 Dsm N.V. Method for preparing melamine from urea
DE50010873D1 (de) 1999-03-15 2005-09-08 Ami Agrolinz Melamine Int Gmbh Verfahren zur herstellung von festem melamin
EP1138676A1 (en) 2000-03-27 2001-10-04 Casale Chemicals SA Process for producing melamine at high pureness
DE10030453B4 (de) * 2000-06-21 2007-07-12 Faramarz Bairamijamal Verfahren zur Herstellung von hoch reinem Melamin nach trockener Aufbereitung
AT410793B (de) * 2000-12-27 2003-07-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
EP1461139B1 (de) * 2001-11-16 2005-08-31 AMI Agrolinz Melamine International GmbH Verfahren zur reinigung von offgasen einer melaminanlage
ITMI20021026A1 (it) * 2002-05-14 2003-11-14 Eurotecnica Dev & Licensing S Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione
CN115944942B (zh) * 2022-12-06 2024-04-12 四川金象赛瑞化工股份有限公司 一种氰胺类物质的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166294A (en) * 1961-05-01 1965-01-19 Ford Motor Co Butterfly valve
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
IE57911B1 (en) * 1984-01-05 1993-05-19 Melamine Chemicals Inc Production of melamine
AT402295B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT402296B (de) * 1995-02-03 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
US5514796A (en) 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine

Also Published As

Publication number Publication date
EP0920420A1 (en) 1999-06-09
JP2000511926A (ja) 2000-09-12
AU3108597A (en) 1998-01-07
ES2195143T3 (es) 2003-12-01
CN1165530C (zh) 2004-09-08
PL330866A1 (en) 1999-06-07
NL1003328C2 (nl) 1997-12-17
WO1997047609A1 (en) 1997-12-18
EP0920420B1 (en) 2003-03-19
PL190787B1 (pl) 2006-01-31
ATE234823T1 (de) 2003-04-15
AU720041B2 (en) 2000-05-25
NO311721B1 (no) 2002-01-14
CN1227549A (zh) 1999-09-01
NO985744D0 (no) 1998-12-08
DE69719996T2 (de) 2004-01-08
US6245909B1 (en) 2001-06-12
DE69719996D1 (de) 2003-04-24

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Legal Events

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