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

Verfahren zur herstellung von melamin hoher reinheit

Info

Publication number: ATE305457T1
Authority: AT; Austria
Prior art keywords: liquid ammonia; high purity; melamine; producing high; purity melamine
Prior art date: 2000-03-27

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.)

2000-03-27

Filing date

2001-03-21

Publication date

2005-10-15

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.

2001-03-21 Application filed by Casale Chemicals Sa filed Critical Casale Chemicals Sa

2005-10-15 Application granted granted Critical

2005-10-15 Publication of ATE305457T1 publication Critical patent/ATE305457T1/de

Links

229920000877 Melamine resin Polymers 0.000 title abstract 4
JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title abstract 4
238000004519 manufacturing process Methods 0.000 title 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
238000002425 crystallisation Methods 0.000 abstract 2
239000000725 suspension Substances 0.000 abstract 2
230000008719 thickening Effects 0.000 abstract 2
239000002826 coolant Substances 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1
239000013078 crystal Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
238000000926 separation method Methods 0.000 abstract 1

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

2000
- 2000-03-27 EP EP00106580A patent/EP1138676A1/de not_active Withdrawn
2001
- 2001-03-21 CN CN01806924.XA patent/CN1215062C/zh not_active Expired - Lifetime
- 2001-03-21 CA CA2404096A patent/CA2404096C/en not_active Expired - Lifetime
- 2001-03-21 AU AU2001242492A patent/AU2001242492A1/en not_active Abandoned
- 2001-03-21 JP JP2001570635A patent/JP2003528865A/ja active Pending
- 2001-03-21 WO PCT/EP2001/003207 patent/WO2001072722A1/en not_active Ceased
- 2001-03-21 RU RU2002127797/04A patent/RU2289578C2/ru active
- 2001-03-21 AT AT01915389T patent/ATE305457T1/de active
- 2001-03-21 DE DE60113665T patent/DE60113665D1/de not_active Expired - Lifetime
- 2001-03-21 EP EP01915389A patent/EP1268451B1/de not_active Expired - Lifetime
- 2001-03-21 US US10/220,723 patent/US6825346B2/en not_active Expired - Lifetime

Also Published As

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

Similar Documents

Publication	Publication Date	Title
DE60002679D1 (de)	2003-06-18	Co-kristallisationsprozess
ATE426916T1 (de)	2009-04-15	Verfahren zur herstellung von halb-isolierenden hochreinen siliciumcarbid-kristallen
ATE242547T1 (de)	2003-06-15	Verfahren zur herstellung eines halbleitersubstrats
DE60113665D1 (de)	2006-02-09	Verfahren zur herstellung von melamin hoher reinheit
DE60130014D1 (de)	2007-09-27	Verfahren zur herstellung der b-form von nateglinid-kristallen
ATE211508T1 (de)	2002-01-15	Verfahren zur rueckgewinnung einer organischen verbindung aus loesungen
ATE274504T1 (de)	2004-09-15	Verfahren zur herstellung von einem kristallepoxid
DE60335616D1 (de)	2011-02-17	Verfahren zur herstellung von siliciumeinkristallen, und dadurch hergestellte siliciumeinkristallwafer und siliciumeinkristallstab
DE60302465D1 (de)	2005-12-29	Verfahren zur fraktionierten kristallisation eines schmelzflüssigen metalls
ATE284751T1 (de)	2005-01-15	Verfahren zur herstellung einer kristallsuspension
ATE475724T1 (de)	2010-08-15	Kristallisationsverfahren zur reinigung eines schmelzflüssigen metalls, insbesondere rezyklierten aluminiums
ATE156115T1 (de)	1997-08-15	Verfahren zur herstellung von n- chloracetylglutamin
DK1520053T3 (da)	2006-03-27	Fremgangsmåde til fraktioneret krystallisation af et metal
DE69430286D1 (de)	2002-05-08	Verfahren zur Herstellung von photovoltaischen Modulen aus kristallinem Silizium
ATE272665T1 (de)	2004-08-15	Ein verfahren zur herstellung von polycarbonat
RU2007144862A (ru)	2009-06-20	Способ выделения метилглициннитрил-n, n-диацетонитрилов из водной исходной смеси
BR0209844A (pt)	2005-04-05	Processo para a separação de imipenem cristalino
ATE325797T1 (de)	2006-06-15	Verfahren zur herstellung von hochreinem triethylendiamin
DE60212113D1 (de)	2006-07-20	Verfahren zur herstellung von gemischten kunststoffabfällen
ATE251099T1 (de)	2003-10-15	Verfahren zur gewinnung von 2,6- dimethylnaphthalen aus mischungen die es enthalten
DE60208773D1 (de)	2006-04-06	Verfahren zur herstellung von harnstoff
EA200501343A1 (ru)	2006-02-24	Способ кристаллизации расплава меламина
DE69215444D1 (de)	1997-01-09	Verfahren zur Kristallisation von Alpha-L-Aspartyl-L-Phenylalaninmethylester
DE50006343D1 (de)	2004-06-09	Verfahren zur herstellung von melamin
DE50308063D1 (de)	2007-10-11	Verfahren und vorrichtung zur erzeugung eines metallhydroxids

Legal Events

Date

Code

Title

Description

2006-04-15

UEP

Publication of translation of european patent specification

Ref document number: 1268451

Country of ref document: EP