ZA9610295B - Process for the preparation of pure melamine - Google Patents

Process for the preparation of pure melamine

Info

Publication number
ZA9610295B
ZA9610295B ZA9610295A ZA9610295A ZA9610295B ZA 9610295 B ZA9610295 B ZA 9610295B ZA 9610295 A ZA9610295 A ZA 9610295A ZA 9610295 A ZA9610295 A ZA 9610295A ZA 9610295 B ZA9610295 B ZA 9610295B
Authority
ZA
South Africa
Prior art keywords
preparation
pure melamine
melamine
pure
Prior art date
Application number
ZA9610295A
Other languages
English (en)
Inventor
Lorenzo Canzi
Gerhard Coufal
Martin Mullner
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 ZA9610295B publication Critical patent/ZA9610295B/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)
ZA9610295A 1995-12-07 1996-12-06 Process for the preparation of pure melamine ZA9610295B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0199495A AT403579B (de) 1995-12-07 1995-12-07 Verfahren zur herstellung von hochreinem melamin

Publications (1)

Publication Number Publication Date
ZA9610295B true ZA9610295B (en) 1997-06-17

Family

ID=3525542

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9610295A ZA9610295B (en) 1995-12-07 1996-12-06 Process 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
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
CA2290478C (en) 1997-05-21 2008-07-29 Dsm N.V. Method for preparing melamine
WO1998054160A1 (en) * 1997-05-28 1998-12-03 Dsm N.V. Method for preparing melamine
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.
NL1006192C2 (nl) 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
ATE358125T1 (de) * 1997-06-02 2007-04-15 Dsm Ip Assets Bv Kristallines melamin
WO1998055466A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
CN1160342C (zh) 1998-11-13 2004-08-04 阿格罗林茨蜜胺有限公司 生产纯三聚氰胺的方法
KR100575020B1 (ko) 1998-12-23 2006-05-02 아엠이-아그로린츠 멜라민 인터내셔날 게엠베하 멜라민의 정제방법
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
PL353098A1 (en) * 1999-07-27 2003-10-20 Agrolinz Melamin Gmbh Method for producing solid melamine
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
PL209035B1 (pl) 2001-11-16 2011-07-29 Ami Agrolinz Melamine Int Gmbh Sposób wytwarzania melaminy pozbawionej melemu oraz bezprzeponowa chłodnica do stosowania tego sposobu
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
DE3500188C2 (de) * 1984-01-05 1994-08-18 Melamine Chemicals Inc Wasserfreie Hochdruck-Melamin-Synthese
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
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
MY112761A (en) 2001-08-30
WO1997020826A1 (de) 1997-06-12
EG20917A (en) 2000-06-28
EP0874832A1 (de) 1998-11-04
CN1067995C (zh) 2001-07-04
MX9804435A (es) 1998-09-30
EP0874832B1 (de) 2002-04-10
NZ324297A (en) 1999-07-29
UA46072C2 (uk) 2002-05-15
HRP960575A2 (en) 1997-12-31
ATA199495A (de) 1997-08-15
ATE215936T1 (de) 2002-04-15
AU1175597A (en) 1997-06-27
NO982251L (no) 1998-05-15
DE59609075D1 (de) 2002-05-16
DZ2135A1 (fr) 2002-07-23
NO309982B1 (no) 2001-04-30
HUP9904406A2 (hu) 2000-05-28
AR004873A1 (es) 1999-03-10
CO4770995A1 (es) 1999-04-30
CA2239542A1 (en) 1997-06-12
AT403579B (de) 1998-03-25
CN1203592A (zh) 1998-12-30
AU709030B2 (en) 1999-08-19
BR9611892A (pt) 1999-02-17
JP2000501404A (ja) 2000-02-08
TW341567B (en) 1998-10-01
BG102504A (en) 1999-04-30
NO982251D0 (no) 1998-05-15
TR199801029T2 (xx) 1999-05-21
EA000931B1 (ru) 2000-06-26
KR19990071932A (ko) 1999-09-27
KR100462920B1 (ko) 2005-04-08
EA199800532A1 (ru) 1998-12-24
PL327067A1 (en) 1998-11-23
SK74998A3 (en) 1998-11-04
PL189811B1 (pl) 2005-09-30
IL124630A0 (en) 1998-12-06
HUP9904406A3 (en) 2000-07-28

Similar Documents

Publication Publication Date Title
ZA961344B (en) Process for the preparation of thietanones
HUP9602957A2 (en) Process for the preparation of dihalo- and dihidroxi-azolopyrimidines
EG20979A (en) Process for the production of highly pure melamine
HUP9603081A2 (en) Process for the preparation of bis (silyl-alkyl)-disulfanes
EG20917A (en) Process for the preparation of pure melamine
IL121437A0 (en) Process for the preparation of nootkatone
SI0877738T1 (en) Process for the preparation of phenylimidazolidine derivatives
HUP9903848A3 (en) Process for the preparation of flourine derivatives
HUP9903481A3 (en) Process for the preparation of 1-aryl-1-cyanocyclobutane derivatives
IL118200A0 (en) Process for the preparation of substituted 2-fluoro-pyrimidines
IL115090A0 (en) Process for the preparation of p-bromofluorobenzene
IL118973A0 (en) Process for the preparation of substituted aminocarbonyltriazolinones
SG38905A1 (en) Process for the manufacture of hydroxyalkoxybenzophenones
GB2305915B (en) Process for the preparation of 2-chloro-4-methylphenol
HUP9600499A2 (en) Process for the preparation of ivermectin
IL118747A0 (en) Process for the preparation of 3-hydroxyoxetanes
IL118732A0 (en) Process for the preparation of arylidene-substituted alkylcycloalkanones
HUP9901543A3 (en) Process for the preparation of hydroxysulfone derivatives
IL118731A (en) Process for the preparation of 2,2-dialkyl-arylidenecycloalkanones
ZA965895B (en) Process for the preparation of alpha omega-bromochloro-alkanes
EP0747364A3 (de) Verfahren zur Herstellung von 2,4,6-Trichlorpyrimidin
IL120556A0 (en) Process for the preparation of 3,3,5-trichloroglutarimide
IL148253A0 (en) Process for the preparation of 4-sulfanylpyrrolidin-2-yl
HK1009964A1 (en) Process for the preparation of dihaloazolopyrimidines
IL117065A0 (en) Process for the preparation of fluorocyclopropane derivatives