ATE215534T1 - Durch nichtkatalytisches, unter hochdruck arbeitendes verfahren hergestelltes melamin von verbesserter reinheit - Google Patents

Durch nichtkatalytisches, unter hochdruck arbeitendes verfahren hergestelltes melamin von verbesserter reinheit

Info

Publication number
ATE215534T1
ATE215534T1 AT96303675T AT96303675T ATE215534T1 AT E215534 T1 ATE215534 T1 AT E215534T1 AT 96303675 T AT96303675 T AT 96303675T AT 96303675 T AT96303675 T AT 96303675T AT E215534 T1 ATE215534 T1 AT E215534T1
Authority
AT
Austria
Prior art keywords
melamine
high pressure
pressure process
improved purity
pressure
Prior art date
Application number
AT96303675T
Other languages
English (en)
Inventor
David Best
Amit Gupta
Original Assignee
Dsm Melamine 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23898467&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE215534(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dsm Melamine Bv filed Critical Dsm Melamine Bv
Application granted granted Critical
Publication of ATE215534T1 publication Critical patent/ATE215534T1/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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
AT96303675T 1995-06-07 1996-05-23 Durch nichtkatalytisches, unter hochdruck arbeitendes verfahren hergestelltes melamin von verbesserter reinheit ATE215534T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/478,088 US5514796A (en) 1995-06-07 1995-06-07 Melamine of improved purity produced by high-pressure, non-catalytic process

Publications (1)

Publication Number Publication Date
ATE215534T1 true ATE215534T1 (de) 2002-04-15

Family

ID=23898467

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96303675T ATE215534T1 (de) 1995-06-07 1996-05-23 Durch nichtkatalytisches, unter hochdruck arbeitendes verfahren hergestelltes melamin von verbesserter reinheit

Country Status (19)

Country Link
US (1) US5514796A (de)
EP (1) EP0747366B1 (de)
JP (1) JPH0912559A (de)
KR (1) KR100472913B1 (de)
AT (1) ATE215534T1 (de)
AU (1) AU706404B2 (de)
BR (1) BR9602673A (de)
CA (1) CA2177521A1 (de)
DE (1) DE69620298T2 (de)
EG (1) EG22590A (de)
ES (1) ES2175034T3 (de)
NO (1) NO307338B1 (de)
NZ (1) NZ286589A (de)
PL (1) PL185494B1 (de)
RO (1) RO119194B1 (de)
RU (1) RU2161608C2 (de)
TW (1) TW334429B (de)
UA (1) UA46722C2 (de)
ZA (1) ZA963945B (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402294B (de) * 1994-12-23 1997-03-25 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
AT403579B (de) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
NL1002669C2 (nl) * 1996-03-21 1997-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.
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.
NL1003709C2 (nl) * 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003923C2 (nl) 1996-08-30 1998-03-04 Dsm Nv Werkwijze voor de bereiding van ureum.
WO1998027071A1 (en) * 1996-12-16 1998-06-25 Dsm N.V. Method for the preparation of melamine
NL1004814C2 (nl) * 1996-12-18 1998-06-19 Dsm Nv Werkwijze voor het bereiden van melamine.
DE69813545T2 (de) 1997-05-21 2004-04-08 Dsm N.V. Verfahren zur herstellung von melamin
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
ID23012A (id) * 1997-05-28 1999-12-30 Dsm Nv Metode bagi pembuatan melamina
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
CA2292597A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
JP2002502415A (ja) * 1997-06-02 2002-01-22 ディーエスエム エヌ．ブイ． 結晶性メラミン
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
US6355797B2 (en) 1998-01-30 2002-03-12 Agrolinz Melamin Gmbh Process for cooling melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
GB2337259B (en) * 1998-05-12 2000-03-29 Dsm Nv Method for preparing melamine
US6303781B1 (en) 1998-05-12 2001-10-16 Dsm N.V. Method for preparing melamine
EP1035117A1 (de) * 1999-03-08 2000-09-13 Dsm N.V. Verfahren zur Herstellung von Melamin aus Harnstoff
NL1013456C2 (nl) * 1999-11-02 2001-05-03 Dsm Nv Kristallijn melamine en de toepassing in aminoformaldehydeharsen.
EP1138676A1 (de) * 2000-03-27 2001-10-04 Casale Chemicals SA Verfahren zur Herstellung von Melamin hoher Reinheit
AT410210B (de) * 2000-08-07 2003-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
EP1188751A1 (de) * 2000-09-13 2002-03-20 Casale Chemicals SA Verfahren zur Herstellung von von hochreinem Melamin aus Harnstoff
KR20050025132A (ko) * 2001-11-16 2005-03-11 아엠이-아그로린츠 멜라민 인터내셔날 게엠베하 멜렘-비함유 멜라민의 제조 방법 및 냉각기
RU2304456C2 (ru) * 2001-11-16 2007-08-20 АМИ-Агролинц Меламин Интернейшнл ГмбХ Способ очистки отходящих газов из установки по производству меламина
NL1022764C2 (nl) * 2003-02-24 2004-08-26 Dsm Nv Natte quench.
DE10326827A1 (de) * 2003-06-12 2004-12-30 Ami-Agrolinz Melamine International Gmbh Verfahren und Vorrichtung zur Herstellung von Melamin im einphasigen Rohrreaktor
DE502004003874D1 (de) * 2004-01-17 2007-07-05 Casale Chemicals Sa Verfahren zur schonenden Abkühlung und Kristallisation von Melamin aus einer Melaminschmelze oder aus der Gasphase
DE102004051432A1 (de) * 2004-10-20 2006-04-27 Ami-Agrolinz Melamine International Gmbh Verfahren zur Behandlung von triazinhaltigem Wasser einer Melaminanlage
DE102005028665A1 (de) * 2005-06-15 2007-01-04 Ami-Agrolinz Melamine International Gmbh Verfahren zur Reinigung von Abwässern aus Melaminanlagen
US7153962B1 (en) 2005-07-12 2006-12-26 Casale Chemicals S.A. Process for gently cooling and crystallizing melamine from a melamine melt or from the gaseous phase
DE102006055571B4 (de) * 2006-11-20 2018-09-27 Urea Casale S.A. Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze
CN101863848B (zh) * 2010-05-28 2012-07-18 四川金象赛瑞化工股份有限公司 用于制备三聚氰胺的系统及方法
RU2495875C1 (ru) * 2012-10-11 2013-10-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ охлаждения расплава меламина
EP2907567A1 (de) * 2014-02-18 2015-08-19 Casale Sa Kombinierter Reaktor für Hochdrucksynthese von Melamin
CN114452897A (zh) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法

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
HU184277B (en) * 1979-05-03 1984-07-30 Stamicarbon Process for preparing melamine
IE57911B1 (en) * 1984-01-05 1993-05-19 Melamine Chemicals Inc Production of melamine
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
FI96028C (fi) * 1993-07-01 1996-04-25 Kemira Oy Menetelmä melamiinin valmistamiseksi

Also Published As

Publication number Publication date
NO962339L (no) 1996-12-09
KR100472913B1 (ko) 2005-08-17
US5514796A (en) 1996-05-07
AU5473296A (en) 1996-12-19
EP0747366A3 (de) 1999-02-10
NO962339D0 (no) 1996-06-05
DE69620298D1 (de) 2002-05-08
ES2175034T3 (es) 2002-11-16
EP0747366B1 (de) 2002-04-03
CA2177521A1 (en) 1996-12-08
EP0747366A2 (de) 1996-12-11
UA46722C2 (uk) 2002-06-17
TW334429B (en) 1998-06-21
RU2161608C2 (ru) 2001-01-10
PL314673A1 (en) 1996-12-09
BR9602673A (pt) 1998-11-10
KR970001336A (ko) 1997-01-24
PL185494B1 (pl) 2003-05-30
NO307338B1 (no) 2000-03-20
RO119194B1 (ro) 2004-05-28
EG22590A (en) 2003-04-30
NZ286589A (en) 1998-04-27
ZA963945B (en) 1996-12-10
JPH0912559A (ja) 1997-01-14
AU706404B2 (en) 1999-06-17
DE69620298T2 (de) 2002-11-28

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