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

    • 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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Sorption Type Refrigeration Machines (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 (no)
JP (1) JP2000501404A (no)
KR (1) KR100462920B1 (no)
CN (1) CN1067995C (no)
AR (1) AR004873A1 (no)
AT (2) AT403579B (no)
AU (1) AU709030B2 (no)
BG (1) BG102504A (no)
BR (1) BR9611892A (no)
CA (1) CA2239542A1 (no)
CO (1) CO4770995A1 (no)
DE (1) DE59609075D1 (no)
DZ (1) DZ2135A1 (no)
EA (1) EA000931B1 (no)
EG (1) EG20917A (no)
HR (1) HRP960575A2 (no)
HU (1) HUP9904406A3 (no)
IL (1) IL124630A0 (no)
MX (1) MX9804435A (no)
MY (1) MY112761A (no)
NO (1) NO309982B1 (no)
NZ (1) NZ324297A (no)
PL (1) PL189811B1 (no)
SK (1) SK74998A3 (no)
TR (1) TR199801029T2 (no)
TW (1) TW341567B (no)
UA (1) UA46072C2 (no)
WO (1) WO1997020826A1 (no)
ZA (1) ZA9610295B (no)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100495262B1 (ko) 1997-05-21 2005-06-14 코닌클리즈케 디에스엠 엔.브이. 멜라민의 제조방법
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
CN1130353C (zh) 1997-05-28 2003-12-10 Dsm有限公司 制备蜜胺的方法
NL1006192C2 (nl) 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
CA2292597A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
EP1604985A3 (en) * 1997-06-02 2007-08-08 DSM IP Assets B.V. Crystalline melamine
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
EE200100262A (et) 1998-11-13 2002-08-15 Agrolinz Melamin Gmbh Puhta melamiini valmistamismeetod
WO2000039107A1 (de) 1998-12-23 2000-07-06 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
EP1035117A1 (en) * 1999-03-08 2000-09-13 Dsm N.V. Method for preparing melamine from urea
CZ20013069A3 (cs) 1999-03-15 2001-12-12 Agrolinz Melamin Gmbh Způsob výroby pevného melaminu
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
US7176309B2 (en) 2001-11-16 2007-02-13 Ami - Agrolinz Melamine International Gmbh Method for producing melem-free melamine and quenching agents
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
DE3546893C3 (de) * 1984-01-05 1998-01-29 Melamine Chemicals Inc Wasserfreie Hochdruck-Melamin-Synthese
DE3500188C2 (de) * 1984-01-05 1994-08-18 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
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of 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
TR199801029T2 (xx) 1999-05-21
EP0874832B1 (de) 2002-04-10
TW341567B (en) 1998-10-01
PL189811B1 (pl) 2005-09-30
HUP9904406A2 (hu) 2000-05-28
CA2239542A1 (en) 1997-06-12
KR19990071932A (ko) 1999-09-27
EA199800532A1 (ru) 1998-12-24
WO1997020826A1 (de) 1997-06-12
NO982251D0 (no) 1998-05-15
CN1067995C (zh) 2001-07-04
CO4770995A1 (es) 1999-04-30
KR100462920B1 (ko) 2005-04-08
JP2000501404A (ja) 2000-02-08
AT403579B (de) 1998-03-25
AU1175597A (en) 1997-06-27
NO982251L (no) 1998-05-15
SK74998A3 (en) 1998-11-04
NO309982B1 (no) 2001-04-30
NZ324297A (en) 1999-07-29
PL327067A1 (en) 1998-11-23
HRP960575A2 (en) 1997-12-31
EP0874832A1 (de) 1998-11-04
MX9804435A (es) 1998-09-30
MY112761A (en) 2001-08-30
EG20917A (en) 2000-06-28
HUP9904406A3 (en) 2000-07-28
CN1203592A (zh) 1998-12-30
ATE215936T1 (de) 2002-04-15
AR004873A1 (es) 1999-03-10
AU709030B2 (en) 1999-08-19
ZA9610295B (en) 1997-06-17
EA000931B1 (ru) 2000-06-26
DZ2135A1 (fr) 2002-07-23
UA46072C2 (uk) 2002-05-15
DE59609075D1 (de) 2002-05-16
BR9611892A (pt) 1999-02-17
ATA199495A (de) 1997-08-15
IL124630A0 (en) 1998-12-06

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