ATE305457T1 - Verfahren zur herstellung von melamin hoher reinheit - Google Patents

Verfahren zur herstellung von melamin hoher reinheit

Info

Publication number
ATE305457T1
ATE305457T1 AT01915389T AT01915389T ATE305457T1 AT E305457 T1 ATE305457 T1 AT E305457T1 AT 01915389 T AT01915389 T AT 01915389T AT 01915389 T AT01915389 T AT 01915389T AT E305457 T1 ATE305457 T1 AT E305457T1
Authority
AT
Austria
Prior art keywords
liquid ammonia
high purity
melamine
producing high
purity melamine
Prior art date
Application number
AT01915389T
Other languages
English (en)
Inventor
Giorgio Pagani
Original Assignee
Casale Chemicals Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8168248&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE305457(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Casale Chemicals Sa filed Critical Casale Chemicals Sa
Application granted granted Critical
Publication of ATE305457T1 publication Critical patent/ATE305457T1/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
    • 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
    • C07D251/62—Purification of melamine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
AT01915389T 2000-03-27 2001-03-21 Verfahren zur herstellung von melamin hoher reinheit ATE305457T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00106580A EP1138676A1 (de) 2000-03-27 2000-03-27 Verfahren zur Herstellung von Melamin hoher Reinheit
PCT/EP2001/003207 WO2001072722A1 (en) 2000-03-27 2001-03-21 Process for the production of melamine crystals at high pureness

Publications (1)

Publication Number Publication Date
ATE305457T1 true ATE305457T1 (de) 2005-10-15

Family

ID=8168248

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01915389T ATE305457T1 (de) 2000-03-27 2001-03-21 Verfahren zur herstellung von melamin hoher reinheit

Country Status (10)

Country Link
US (1) US6825346B2 (de)
EP (2) EP1138676A1 (de)
JP (1) JP2003528865A (de)
CN (1) CN1215062C (de)
AT (1) ATE305457T1 (de)
AU (1) AU2001242492A1 (de)
CA (1) CA2404096C (de)
DE (1) DE60113665D1 (de)
RU (1) RU2289578C2 (de)
WO (1) WO2001072722A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1022764C2 (nl) * 2003-02-24 2004-08-26 Dsm Nv Natte quench.
WO2007000176A1 (en) * 2005-06-28 2007-01-04 Casale Chemicals S.A. Process for gently cooling and crystallizing melamine from a melamine melt or from the gaseous phase
EP2098516A1 (de) * 2008-03-04 2009-09-09 Urea Casale S.A. Verfahren zur Herstellung hochreinen Melamins aus Harnstoff
EP2119710A1 (de) * 2008-05-14 2009-11-18 Urea Casale S.A. Verfahren zur Herstellung von Hochqualitätsmelamin aus Harnstoff
DE102009052506B4 (de) 2009-11-11 2015-08-20 Air Liquide Global E&C Solutions Germany Gmbh Gaswäscher mit integriertem Wärmetauscher
CN104315871B (zh) * 2014-10-30 2016-05-25 安徽金禾实业股份有限公司 三聚氰胺生产中熔盐炉出口烟气热能回收方法
IT201800005382A1 (it) * 2018-05-15 2019-11-15 Procedimento e dispositivo per separare cristalli di melammina in un processo di produzione di melammina da urea
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6380385B1 (en) * 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
NL1003328C2 (nl) * 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003709C2 (nl) * 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
IT1292427B1 (it) * 1997-06-27 1999-02-08 Eurotecnica Contractors And En Procedimento e apparecchiatura per la produzione di melammina

Also Published As

Publication number Publication date
CN1419550A (zh) 2003-05-21
DE60113665D1 (de) 2006-02-09
CA2404096A1 (en) 2001-10-04
CN1215062C (zh) 2005-08-17
RU2002127797A (ru) 2004-02-27
JP2003528865A (ja) 2003-09-30
US20030149265A1 (en) 2003-08-07
EP1138676A1 (de) 2001-10-04
WO2001072722A1 (en) 2001-10-04
AU2001242492A1 (en) 2001-10-08
RU2289578C2 (ru) 2006-12-20
US6825346B2 (en) 2004-11-30
EP1268451B1 (de) 2005-09-28
EP1268451A1 (de) 2003-01-02
CA2404096C (en) 2010-06-15

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