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BG102504A - Method for the preparation of pure melamine - Google Patents

Method for the preparation of pure melamine

Info

Publication number
BG102504A
BG102504A BG102504A BG10250498A BG102504A BG 102504 A BG102504 A BG 102504A BG 102504 A BG102504 A BG 102504A BG 10250498 A BG10250498 A BG 10250498A BG 102504 A BG102504 A BG 102504A
Authority
BG
Bulgaria
Prior art keywords
melamine
ammonia
pressure
decompressed
pure
Prior art date
Application number
BG102504A
Other languages
Bulgarian (bg)
English (en)
Inventor
Lorenzo Canzi
Gerhard Coufal
Martin Muellner
Original Assignee
Agrolinz Melamin Gmbh
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 Agrolinz Melamin Gmbh filed Critical Agrolinz Melamin Gmbh
Publication of BG102504A publication Critical patent/BG102504A/xx

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
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation of melamine from urea or from carbon dioxide and ammonia
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
BG102504A 1995-12-07 1998-06-02 Method for the preparation of pure melamine BG102504A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0199495A AT403579B (de) 1995-12-07 1995-12-07 Verfahren zur herstellung von hochreinem melamin
PCT/EP1996/005389 WO1997020826A1 (de) 1995-12-07 1996-12-04 Verfahren zur herstellung von reinem melamin

Publications (1)

Publication Number Publication Date
BG102504A true BG102504A (en) 1999-04-30

Family

ID=3525542

Family Applications (1)

Application Number Title Priority Date Filing Date
BG102504A BG102504A (en) 1995-12-07 1998-06-02 Method for the preparation of pure melamine

Country Status (29)

Country Link
EP (1) EP0874832B1 (xx)
JP (1) JP2000501404A (xx)
KR (1) KR100462920B1 (xx)
CN (1) CN1067995C (xx)
AR (1) AR004873A1 (xx)
AT (2) AT403579B (xx)
AU (1) AU709030B2 (xx)
BG (1) BG102504A (xx)
BR (1) BR9611892A (xx)
CA (1) CA2239542A1 (xx)
CO (1) CO4770995A1 (xx)
DE (1) DE59609075D1 (xx)
DZ (1) DZ2135A1 (xx)
EA (1) EA000931B1 (xx)
EG (1) EG20917A (xx)
HR (1) HRP960575A2 (xx)
HU (1) HUP9904406A3 (xx)
IL (1) IL124630A0 (xx)
MX (1) MX9804435A (xx)
MY (1) MY112761A (xx)
NO (1) NO309982B1 (xx)
NZ (1) NZ324297A (xx)
PL (1) PL189811B1 (xx)
SK (1) SK74998A3 (xx)
TR (1) TR199801029T2 (xx)
TW (1) TW341567B (xx)
UA (1) UA46072C2 (xx)
WO (1) WO1997020826A1 (xx)
ZA (1) ZA9610295B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
EP0983250B1 (en) 1997-05-21 2003-04-16 Dsm N.V. Method for preparing melamine
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
WO1998054160A1 (en) * 1997-05-28 1998-12-03 Dsm N.V. Method for preparing melamine
ID24348A (id) * 1997-06-02 2000-07-13 Dsm Nv Metode untuk penyiapan melamin
WO1998055465A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Crystalline melamine
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
NL1006192C2 (nl) 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
HUP0104769A2 (hu) * 1998-11-13 2002-03-28 Agrolinz Melamin Gmbh Eljárás tiszta melamin előállítására
BR9916562A (pt) 1998-12-23 2001-10-09 Agrolinz Melamin Gmbh Processo para purificação de melamina
EP1035117A1 (en) * 1999-03-08 2000-09-13 Dsm N.V. Method for preparing melamine from urea
PL351565A1 (en) 1999-03-15 2003-05-05 Agrolinz Melamin Gmbh Method for producing solid melamine
WO2001007420A2 (de) * 1999-07-27 2001-02-01 Agrolinz Melamin Gmbh Verfahren zur herstellung von festem melamin
NL1013217C2 (nl) * 1999-10-05 2001-04-06 Dsm Nv Werkwijze voor de bereiding van melamine.
EP1138676A1 (en) 2000-03-27 2001-10-04 Casale Chemicals SA Process for producing melamine at high pureness
AT410210B (de) * 2000-08-07 2003-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
AT500297B8 (de) 2000-11-08 2007-02-15 Agrolinz Melamin Gmbh Verfahren zur reinigung von melaminhältigen ammoniak
AT410793B (de) * 2000-12-27 2003-07-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
AU2002351684B2 (en) 2001-11-16 2008-02-07 Ami-Agrolinz Melamine International Gmbh Method for producing melem-free melamine and quenching agents
AT411462B (de) * 2001-12-12 2004-01-26 Agrolinz Melamin Gmbh Verfahren zur reinigung einer melaminschmelze
FR2843964B1 (fr) * 2002-08-29 2004-10-01 Sanofi Synthelabo Derives de dioxane-2-alkylcarbamates, leur preparation et leur application en therapeutique
RU2417992C2 (ru) * 2009-07-20 2011-05-10 Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") Способ получения меламина и способ удаления растворенных газов из водного раствора неочищенного меламина

Family Cites Families (9)

* 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
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
DE3500188C2 (de) * 1984-01-05 1994-08-18 Melamine Chemicals Inc Wasserfreie Hochdruck-Melamin-Synthese
DE3546893C3 (de) * 1984-01-05 1998-01-29 Melamine Chemicals Inc Wasserfreie Hochdruck-Melamin-Synthese
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT402296B (de) * 1995-02-03 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
US5514796A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine

Also Published As

Publication number Publication date
EA000931B1 (ru) 2000-06-26
UA46072C2 (uk) 2002-05-15
ZA9610295B (en) 1997-06-17
DZ2135A1 (fr) 2002-07-23
CN1203592A (zh) 1998-12-30
EA199800532A1 (ru) 1998-12-24
NO982251L (no) 1998-05-15
MX9804435A (es) 1998-09-30
KR100462920B1 (ko) 2005-04-08
AU709030B2 (en) 1999-08-19
HUP9904406A3 (en) 2000-07-28
MY112761A (en) 2001-08-30
NO982251D0 (no) 1998-05-15
AT403579B (de) 1998-03-25
CA2239542A1 (en) 1997-06-12
AR004873A1 (es) 1999-03-10
ATA199495A (de) 1997-08-15
AU1175597A (en) 1997-06-27
IL124630A0 (en) 1998-12-06
NO309982B1 (no) 2001-04-30
EP0874832B1 (de) 2002-04-10
HUP9904406A2 (hu) 2000-05-28
DE59609075D1 (de) 2002-05-16
PL189811B1 (pl) 2005-09-30
WO1997020826A1 (de) 1997-06-12
CO4770995A1 (es) 1999-04-30
HRP960575A2 (en) 1997-12-31
EP0874832A1 (de) 1998-11-04
KR19990071932A (ko) 1999-09-27
SK74998A3 (en) 1998-11-04
NZ324297A (en) 1999-07-29
ATE215936T1 (de) 2002-04-15
CN1067995C (zh) 2001-07-04
PL327067A1 (en) 1998-11-23
TR199801029T2 (xx) 1999-05-21
TW341567B (en) 1998-10-01
BR9611892A (pt) 1999-02-17
JP2000501404A (ja) 2000-02-08
EG20917A (en) 2000-06-28

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