DE69915286D1 - Verfahren zur herstellung von melamin - Google Patents

Verfahren zur herstellung von melamin

Info

Publication number
DE69915286D1
DE69915286D1 DE69915286T DE69915286T DE69915286D1 DE 69915286 D1 DE69915286 D1 DE 69915286D1 DE 69915286 T DE69915286 T DE 69915286T DE 69915286 T DE69915286 T DE 69915286T DE 69915286 D1 DE69915286 D1 DE 69915286D1
Authority
DE
Germany
Prior art keywords
melamine
liquid
gas
separator
transferring
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 - Fee Related
Application number
DE69915286T
Other languages
English (en)
Other versions
DE69915286T2 (de
Inventor
Yin Wang
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.)
DSM IP Assets BV
Original Assignee
DSM IP Assets 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.)
Filing date
Publication date
Application filed by DSM IP Assets BV filed Critical DSM IP Assets BV
Publication of DE69915286D1 publication Critical patent/DE69915286D1/de
Application granted granted Critical
Publication of DE69915286T2 publication Critical patent/DE69915286T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
  • Cosmetics (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
DE69915286T 1998-05-12 1999-05-03 Verfahren zur herstellung von melamin Expired - Fee Related DE69915286T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8506598P 1998-05-12 1998-05-12
US85065P 1998-05-12
PCT/NL1999/000264 WO1999058508A1 (en) 1998-05-12 1999-05-03 Method for preparing melamine

Publications (2)

Publication Number Publication Date
DE69915286D1 true DE69915286D1 (de) 2004-04-08
DE69915286T2 DE69915286T2 (de) 2005-02-24

Family

ID=22189244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69915286T Expired - Fee Related DE69915286T2 (de) 1998-05-12 1999-05-03 Verfahren zur herstellung von melamin

Country Status (17)

Country Link
EP (1) EP1084112B1 (de)
JP (1) JP2002514629A (de)
KR (1) KR100509078B1 (de)
CN (1) CN1129586C (de)
AT (1) ATE260903T1 (de)
AU (1) AU745217B2 (de)
CA (1) CA2331597C (de)
DE (1) DE69915286T2 (de)
EA (1) EA003336B1 (de)
ES (1) ES2217750T3 (de)
GB (1) GB2337259B (de)
ID (1) ID26568A (de)
NO (1) NO316222B1 (de)
PL (1) PL195742B1 (de)
SA (1) SA99200139B1 (de)
TW (1) TW496864B (de)
WO (1) WO1999058508A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500297B8 (de) * 2000-11-08 2007-02-15 Agrolinz Melamin Gmbh Verfahren zur reinigung von melaminhältigen ammoniak
DE102006055571B4 (de) * 2006-11-20 2018-09-27 Urea Casale S.A. Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze
IT1403101B1 (it) * 2010-12-15 2013-10-04 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Uso di urea contenente formaldeide in un procedimento per la produzione di melammina mediante pirolisi dell'urea e relativo procedimento per la produzione di melammina

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116294A (en) * 1963-12-31 Process- for preparing high-purity melamine from urea
GB1003278A (en) * 1963-07-18 1965-09-02 Nissan Chemical Ind Ltd A process for separating melamine from waste gas
US3386999A (en) * 1966-02-10 1968-06-04 Chemical Construction Corp Synthesis of melamine
NL8105027A (nl) * 1981-11-06 1983-06-01 Stamicarbon Werkwijze voor het omzetten in ammoniak en kooldioxide van gasvormige verbindingen die stikstof- en koolstofatomen bevatten.
US5514796A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

Also Published As

Publication number Publication date
EP1084112A1 (de) 2001-03-21
CA2331597A1 (en) 1999-11-18
CN1129586C (zh) 2003-12-03
PL195742B1 (pl) 2007-10-31
KR100509078B1 (ko) 2005-08-18
CA2331597C (en) 2008-01-08
EP1084112B1 (de) 2004-03-03
ID26568A (id) 2001-01-18
ATE260903T1 (de) 2004-03-15
NO20005716L (no) 2000-11-13
GB2337259B (en) 2000-03-29
SA99200139B1 (ar) 2006-04-04
EA003336B1 (ru) 2003-04-24
JP2002514629A (ja) 2002-05-21
GB9909901D0 (en) 1999-06-30
NO316222B1 (no) 2003-12-29
AU3736599A (en) 1999-11-29
ES2217750T3 (es) 2004-11-01
GB2337259A (en) 1999-11-17
PL343926A1 (en) 2001-09-10
AU745217B2 (en) 2002-03-14
NO20005716D0 (no) 2000-11-13
KR20010024998A (ko) 2001-03-26
TW496864B (en) 2002-08-01
EA200001170A1 (ru) 2001-04-23
DE69915286T2 (de) 2005-02-24
CN1299353A (zh) 2001-06-13
WO1999058508A1 (en) 1999-11-18

Similar Documents

Publication Publication Date Title
ATE215534T1 (de) Durch nichtkatalytisches, unter hochdruck arbeitendes verfahren hergestelltes melamin von verbesserter reinheit
ATE328965T1 (de) Azoverbindungen sowie verfahren zur herstellung derselben
DE69707142T2 (de) Verfahren zur herstellung von melamin
ATE234823T1 (de) Verfahren zur herstellung von melamin
DE69915286D1 (de) Verfahren zur herstellung von melamin
ATE234824T1 (de) Verfahren zur herstellung von melamin
BR9807252A (pt) Processo para o tratamento de um material contendo metal e matéria orgânica, incluindo separação do metal.
DE69823380D1 (de) Verfahren zur herstellung von melamin
AU2002360227B2 (en) Process for the preparation of urea
RU2003103592A (ru) Способ получения меламина
ATE203408T1 (de) Verbessertes verfahren zur herstellung von 6,
ATE295840T1 (de) Verfahren zur herstellung von melamin
ATE237600T1 (de) Verfahren zur herstellung von melamin
DE50006343D1 (de) Verfahren zur herstellung von melamin
ES8600633A1 (es) Un procedimiento y su aparato correspondiente para la fabricacion de urea con escado consumo de vapor
JPS565100A (en) Production of mildiomycin
DE60208773D1 (de) Verfahren zur herstellung von harnstoff
TW372966B (en) Method for preparation of melamine
NZ513380A (en) Synthesis of alkene-2-ones by treating a 2-alkene halide with a 2,4 alkanedione in alkylene glycol medium, then recovering the alkene-2-one produced by direct distillation from the reaction mixture
MXPA00011109A (en) Method for preparing melamine
JPS57145851A (en) Separation of methoxyazonitrile
PL66561B1 (de)
CA2261634A1 (en) Method for the preparation of melamine

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee