BR9611892A - Processo para preparação de melamina pura - Google Patents

Processo para preparação de melamina pura

Info

Publication number
BR9611892A
BR9611892A BR9611892A BR9611892A BR9611892A BR 9611892 A BR9611892 A BR 9611892A BR 9611892 A BR9611892 A BR 9611892A BR 9611892 A BR9611892 A BR 9611892A BR 9611892 A BR9611892 A BR 9611892A
Authority
BR
Brazil
Prior art keywords
preparing pure
pure melamine
melamine
preparing
pure
Prior art date
Application number
BR9611892A
Other languages
English (en)
Inventor
Lorenzo Dr Canzi
Gerhard Coufal
Martin Dr 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 BR9611892A publication Critical patent/BR9611892A/pt

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)
  • Sorption Type Refrigeration Machines (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
BR9611892A 1995-12-07 1996-12-04 Processo para preparação de melamina pura BR9611892A (pt)

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
BR9611892A true BR9611892A (pt) 1999-02-17

Family

ID=3525542

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611892A BR9611892A (pt) 1995-12-07 1996-12-04 Processo para preparação de melamina pura

Country Status (29)

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1144792C (zh) 1997-05-21 2004-04-07 Dsm有限公司 制备蜜胺的方法
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.
AU729323B2 (en) * 1997-05-28 2001-02-01 Dsm Ip Assets B.V. Method for preparing 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.
EP0986546B1 (en) * 1997-06-02 2007-03-28 DSM IP Assets B.V. Crystalline melamine
AU728823B2 (en) * 1997-06-02 2001-01-18 Dsm N.V. Method for preparing melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
DE59906703D1 (de) * 1998-11-13 2003-09-25 Agrolinz Melamin Gmbh Linz Verfahren zur herstellung von reinem melamin
EA002336B1 (ru) 1998-12-23 2002-04-25 Агролинц Меламин Гмбх Способ очистки меламина
EP1035117A1 (en) * 1999-03-08 2000-09-13 Dsm N.V. Method for preparing melamine from urea
HUP0200371A3 (en) * 1999-03-15 2003-08-28 Agrolinz Melamin Gmbh Method for producing solid melamine
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
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
SK74998A3 (en) 1998-11-04
KR19990071932A (ko) 1999-09-27
HRP960575A2 (en) 1997-12-31
DZ2135A1 (fr) 2002-07-23
AT403579B (de) 1998-03-25
NO309982B1 (no) 2001-04-30
AU709030B2 (en) 1999-08-19
NO982251L (no) 1998-05-15
DE59609075D1 (de) 2002-05-16
EP0874832A1 (de) 1998-11-04
HUP9904406A2 (hu) 2000-05-28
AU1175597A (en) 1997-06-27
EA199800532A1 (ru) 1998-12-24
BG102504A (en) 1999-04-30
CA2239542A1 (en) 1997-06-12
PL189811B1 (pl) 2005-09-30
NO982251D0 (no) 1998-05-15
EA000931B1 (ru) 2000-06-26
ATA199495A (de) 1997-08-15
MX9804435A (es) 1998-09-30
TR199801029T2 (xx) 1999-05-21
CO4770995A1 (es) 1999-04-30
NZ324297A (en) 1999-07-29
CN1203592A (zh) 1998-12-30
JP2000501404A (ja) 2000-02-08
EG20917A (en) 2000-06-28
ZA9610295B (en) 1997-06-17
IL124630A0 (en) 1998-12-06
UA46072C2 (uk) 2002-05-15
HUP9904406A3 (en) 2000-07-28
KR100462920B1 (ko) 2005-04-08
ATE215936T1 (de) 2002-04-15
PL327067A1 (en) 1998-11-23
WO1997020826A1 (de) 1997-06-12
TW341567B (en) 1998-10-01
AR004873A1 (es) 1999-03-10
CN1067995C (zh) 2001-07-04
EP0874832B1 (de) 2002-04-10
MY112761A (en) 2001-08-30

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: " SUSPENSAO DO ANDAMENTO DO PEDIDO DE PATENTE PARA QUE SEJA COMPLEMENTADA A RETRIBUICAO EQUIVALENTE AO PEDIDO DE EXAME DE 32 ( TRINTA E DUAS ) REIVINDICACOES, VISTO QUE A RETRIBUICAO PAGA ATRAVES DA PETICAO NO SP015227, DE 11/05/1999, REFERE-SE A UM TOTAL DE 20 ( VINTE ) REIVINDICACOES".

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time