PL328914A1 - Method of obtaining melamine - Google Patents

Method of obtaining melamine

Info

Publication number
PL328914A1
PL328914A1 PL97328914A PL32891497A PL328914A1 PL 328914 A1 PL328914 A1 PL 328914A1 PL 97328914 A PL97328914 A PL 97328914A PL 32891497 A PL32891497 A PL 32891497A PL 328914 A1 PL328914 A1 PL 328914A1
Authority
PL
Poland
Prior art keywords
obtaining melamine
melamine
obtaining
Prior art date
Application number
PL97328914A
Inventor
Wijck Julius Gerardus Theo Van
Theodorus Josephus Ann Sampers
Haan Andre Banier De
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
Application filed by Dsm Nv filed Critical Dsm Nv
Publication of PL328914A1 publication Critical patent/PL328914A1/en

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
    • C07D251/62—Purification of melamine
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
PL97328914A 1996-03-21 1997-03-20 Method of obtaining melamine PL328914A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1002669A NL1002669C2 (en) 1996-03-21 1996-03-21 Process for the preparation of melamine.
PCT/NL1997/000146 WO1997034879A1 (en) 1996-03-21 1997-03-20 Method for the preparation of melamine

Publications (1)

Publication Number Publication Date
PL328914A1 true PL328914A1 (en) 1999-03-01

Family

ID=19762536

Family Applications (1)

Application Number Title Priority Date Filing Date
PL97328914A PL328914A1 (en) 1996-03-21 1997-03-20 Method of obtaining melamine

Country Status (10)

Country Link
EP (1) EP0888315A1 (en)
JP (1) JP2000506882A (en)
KR (1) KR20000064783A (en)
CN (1) CN1218458A (en)
AU (1) AU715825B2 (en)
CA (1) CA2250270A1 (en)
NL (1) NL1002669C2 (en)
NO (1) NO310108B1 (en)
PL (1) PL328914A1 (en)
WO (1) WO1997034879A1 (en)

Families Citing this family (5)

* 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
FI107257B (en) * 1998-12-31 2001-06-29 Kemira Agro Oy Process for the preparation of melamine
EP1035117A1 (en) * 1999-03-08 2000-09-13 Dsm N.V. Method for preparing melamine from urea
DE10326827A1 (en) * 2003-06-12 2004-12-30 Ami-Agrolinz Melamine International Gmbh Process and device for producing melamine in a single-phase tubular reactor
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1220476A (en) * 1984-01-05 1987-04-14 David E. Best Anhydrous high-pressure melamine synthesis
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
AT402294B (en) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh METHOD FOR PRODUCING HIGH PURITY MELAMINE
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
NO984324D0 (en) 1998-09-17
JP2000506882A (en) 2000-06-06
CA2250270A1 (en) 1997-09-25
WO1997034879A1 (en) 1997-09-25
NO310108B1 (en) 2001-05-21
EP0888315A1 (en) 1999-01-07
AU1947597A (en) 1997-10-10
CN1218458A (en) 1999-06-02
KR20000064783A (en) 2000-11-06
AU715825B2 (en) 2000-02-10
NO984324L (en) 1998-11-17
NL1002669C2 (en) 1997-09-23

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