NL1003709C2 - Werkwijze voor het bereiden van melamine. - Google Patents

Werkwijze voor het bereiden van melamine. Download PDF

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Publication number
NL1003709C2
NL1003709C2 NL1003709A NL1003709A NL1003709C2 NL 1003709 C2 NL1003709 C2 NL 1003709C2 NL 1003709 A NL1003709 A NL 1003709A NL 1003709 A NL1003709 A NL 1003709A NL 1003709 C2 NL1003709 C2 NL 1003709C2
Authority
NL
Netherlands
Prior art keywords
melamine
vessel
liquid
ammonia
melt
Prior art date
Application number
NL1003709A
Other languages
English (en)
Dutch (nl)
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19763297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL1003709(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dsm Nv filed Critical Dsm Nv
Priority to NL1003709A priority Critical patent/NL1003709C2/nl
Priority to PCT/NL1997/000431 priority patent/WO1998004533A1/en
Priority to CA002261634A priority patent/CA2261634C/en
Priority to PL97331481A priority patent/PL189590B1/pl
Priority to AU34660/97A priority patent/AU719337B2/en
Priority to DE69707142T priority patent/DE69707142T2/de
Priority to AT97930895T priority patent/ATE206411T1/de
Priority to JP50871898A priority patent/JP4231108B2/ja
Priority to EP97930895A priority patent/EP0929531B1/en
Priority to CN97198115A priority patent/CN1117087C/zh
Priority to ES97930895T priority patent/ES2162313T3/es
Priority to KR1019997000738A priority patent/KR20000029661A/ko
Priority to TW086110411A priority patent/TW427983B/zh
Priority to IDP972623A priority patent/ID17954A/id
Publication of NL1003709C2 publication Critical patent/NL1003709C2/nl
Application granted granted Critical
Priority to NO19990337A priority patent/NO314937B1/no
Priority to US09/239,149 priority patent/US6258950B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/62Purification of melamine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Saccharide Compounds (AREA)
NL1003709A 1996-07-30 1996-07-30 Werkwijze voor het bereiden van melamine. NL1003709C2 (nl)

Priority Applications (16)

Application Number Priority Date Filing Date Title
NL1003709A NL1003709C2 (nl) 1996-07-30 1996-07-30 Werkwijze voor het bereiden van melamine.
EP97930895A EP0929531B1 (en) 1996-07-30 1997-07-21 Method for the preparation of melamine
ES97930895T ES2162313T3 (es) 1996-07-30 1997-07-21 Metodo para la preparacion de melamina.
PL97331481A PL189590B1 (pl) 1996-07-30 1997-07-21 Sposób wytwarzania stałej melaminy ze stopionego mocznika
AU34660/97A AU719337B2 (en) 1996-07-30 1997-07-21 Method for the preparation of melamine
DE69707142T DE69707142T2 (de) 1996-07-30 1997-07-21 Verfahren zur herstellung von melamin
AT97930895T ATE206411T1 (de) 1996-07-30 1997-07-21 Verfahren zur herstellung von melamin
JP50871898A JP4231108B2 (ja) 1996-07-30 1997-07-21 メラミンの製造法
PCT/NL1997/000431 WO1998004533A1 (en) 1996-07-30 1997-07-21 Method for the preparation of melamine
CN97198115A CN1117087C (zh) 1996-07-30 1997-07-21 制备三聚氰胺的方法
CA002261634A CA2261634C (en) 1996-07-30 1997-07-21 Method for the preparation of melamine
KR1019997000738A KR20000029661A (ko) 1996-07-30 1997-07-21 멜라민의제조방법
TW086110411A TW427983B (en) 1996-07-30 1997-07-22 Method for the preparation of melamine
IDP972623A ID17954A (id) 1996-07-30 1997-07-29 Metode pembuatan melamin
NO19990337A NO314937B1 (no) 1996-07-30 1999-01-25 Fremgangsmåte ved fremstilling av melamin
US09/239,149 US6258950B1 (en) 1996-07-30 1999-01-28 Method for the preparation of melamine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1003709A NL1003709C2 (nl) 1996-07-30 1996-07-30 Werkwijze voor het bereiden van melamine.
NL1003709 1996-07-30

Publications (1)

Publication Number Publication Date
NL1003709C2 true NL1003709C2 (nl) 1998-02-05

Family

ID=19763297

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1003709A NL1003709C2 (nl) 1996-07-30 1996-07-30 Werkwijze voor het bereiden van melamine.

Country Status (15)

Country Link
US (1) US6258950B1 (ja)
EP (1) EP0929531B1 (ja)
JP (1) JP4231108B2 (ja)
KR (1) KR20000029661A (ja)
CN (1) CN1117087C (ja)
AT (1) ATE206411T1 (ja)
AU (1) AU719337B2 (ja)
DE (1) DE69707142T2 (ja)
ES (1) ES2162313T3 (ja)
ID (1) ID17954A (ja)
NL (1) NL1003709C2 (ja)
NO (1) NO314937B1 (ja)
PL (1) PL189590B1 (ja)
TW (1) TW427983B (ja)
WO (1) WO1998004533A1 (ja)

Families Citing this family (13)

* 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
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
EP1138676A1 (en) 2000-03-27 2001-10-04 Casale Chemicals SA Process for producing melamine at high pureness
TWI267049B (en) * 2000-05-09 2006-11-21 Sharp Kk Image display device, and electronic apparatus using the same
AT410210B (de) * 2000-08-07 2003-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
AT411462B (de) * 2001-12-12 2004-01-26 Agrolinz Melamin Gmbh Verfahren zur reinigung einer melaminschmelze
NL1022414C2 (nl) * 2003-01-17 2004-07-20 Dsm Nv Werkwijze voor het onttrekken van energie uit rookgassen.
DE102005023041B4 (de) * 2005-05-06 2007-10-11 Lurgi Ag Verfahren zum Herstellen von Melamin mit Wärmerückgewinnung
EP2119710A1 (en) * 2008-05-14 2009-11-18 Urea Casale S.A. Process for producing high-quality melamine from urea
US8563115B2 (en) 2008-08-12 2013-10-22 Xerox Corporation Protective coatings for solid inkjet applications
US8191992B2 (en) 2008-12-15 2012-06-05 Xerox Corporation Protective coatings for solid inkjet applications
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
CN108530369B (zh) * 2018-04-25 2020-01-31 中国工程物理研究院化工材料研究所 一种1,3,5-三嗪-2,4,6-三胺的合成方法

Citations (7)

* 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
NL8403843A (nl) * 1984-01-05 1985-08-01 Melamine Chemicals Inc Proces voor het bereiden van melamine.
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
WO1996020182A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
WO1996020183A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
WO1996023778A1 (de) * 1995-02-03 1996-08-08 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
EP0747366A2 (en) * 1995-06-07 1996-12-11 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis

Patent Citations (7)

* 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
NL8403843A (nl) * 1984-01-05 1985-08-01 Melamine Chemicals Inc Proces voor het bereiden van melamine.
WO1996020182A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
WO1996020183A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
WO1996023778A1 (de) * 1995-02-03 1996-08-08 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
EP0747366A2 (en) * 1995-06-07 1996-12-11 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

Also Published As

Publication number Publication date
ATE206411T1 (de) 2001-10-15
AU3466097A (en) 1998-02-20
US6258950B1 (en) 2001-07-10
ES2162313T3 (es) 2001-12-16
KR20000029661A (ko) 2000-05-25
TW427983B (en) 2001-04-01
PL189590B1 (pl) 2005-08-31
CN1117087C (zh) 2003-08-06
NO990337L (no) 1999-03-15
JP2000515880A (ja) 2000-11-28
WO1998004533A1 (en) 1998-02-05
ID17954A (id) 1998-02-12
DE69707142T2 (de) 2002-06-20
EP0929531A1 (en) 1999-07-21
CN1230952A (zh) 1999-10-06
PL331481A1 (en) 1999-07-19
NO314937B1 (no) 2003-06-16
NO990337D0 (no) 1999-01-25
JP4231108B2 (ja) 2009-02-25
AU719337B2 (en) 2000-05-04
EP0929531B1 (en) 2001-10-04
DE69707142D1 (de) 2001-11-08

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
SD Assignments of patents

Owner name: DSM IP ASSETS B.V.

Effective date: 20050915

TD Modifications of names of proprietors of patents

Owner name: KONINKLIJKE DSM N.V.

Effective date: 20050915

V1 Lapsed because of non-payment of the annual fee

Effective date: 20110201