BR9607332A - Process for purifying melamine - Google Patents

Process for purifying melamine

Info

Publication number
BR9607332A
BR9607332A BR9607332A BR9607332A BR9607332A BR 9607332 A BR9607332 A BR 9607332A BR 9607332 A BR9607332 A BR 9607332A BR 9607332 A BR9607332 A BR 9607332A BR 9607332 A BR9607332 A BR 9607332A
Authority
BR
Brazil
Prior art keywords
purifying melamine
melamine
purifying
Prior art date
Application number
BR9607332A
Other languages
Portuguese (pt)
Inventor
Martin Muellner
Helmut Fingrhut
Lorenzo Canzi
Gerhard Coufal
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 BR9607332A publication Critical patent/BR9607332A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paper (AREA)
BR9607332A 1995-02-03 1996-01-08 Process for purifying melamine BR9607332A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0018695A AT402296B (en) 1995-02-03 1995-02-03 METHOD FOR PURIFYING MELAMINE
PCT/EP1996/000045 WO1996023778A1 (en) 1995-02-03 1996-01-08 Process for purifying melamine

Publications (1)

Publication Number Publication Date
BR9607332A true BR9607332A (en) 1997-11-25

Family

ID=3483772

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9607332A BR9607332A (en) 1995-02-03 1996-01-08 Process for purifying melamine

Country Status (12)

Country Link
EP (1) EP0807107A1 (en)
JP (1) JPH11506415A (en)
KR (1) KR19980701828A (en)
CN (1) CN1172480A (en)
AT (1) AT402296B (en)
BR (1) BR9607332A (en)
HR (1) HRP960044A2 (en)
IL (1) IL117016A0 (en)
NZ (1) NZ298425A (en)
PL (1) PL321596A1 (en)
TW (1) TW305838B (en)
WO (1) WO1996023778A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403579B (en) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh METHOD FOR PRODUCING HIGH PURITY MELAMINE
NL1003105C2 (en) * 1996-05-14 1997-11-18 Dsm Nv Process for the preparation of melamine.
NL1003328C2 (en) 1996-06-13 1997-12-17 Dsm Nv Process for preparing melamine.
NL1003709C2 (en) 1996-07-30 1998-02-05 Dsm Nv Process for preparing melamine.
KR100495262B1 (en) 1997-05-21 2005-06-14 코닌클리즈케 디에스엠 엔.브이. Method for preparing melamine
NL1006095C2 (en) * 1997-05-21 1998-11-25 Dsm Nv Preparation of melamine from urea via a high pressure process
NL1006147C2 (en) * 1997-05-28 1998-12-01 Dsm Nv Pure melamine is formed from urea by spray cooling the melamine melt
CN1130353C (en) 1997-05-28 2003-12-10 Dsm有限公司 Method for preparing melamine
CN1202091C (en) 1997-06-02 2005-05-18 Dsmip财产有限公司 Crystalline melamine
WO1998055466A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
NL1006192C2 (en) 1997-06-02 1998-12-03 Dsm Nv Melamine is prepared from urea in a high pressure process
NL1008571C2 (en) * 1998-03-12 1999-07-28 Dsm Nv Crystalline melamine.
ES2209560T3 (en) 1998-11-13 2004-06-16 Ami Agrolinz Melamine International Gmbh PROCEDURE FOR OBTAINING PURE MELAMINE.
EP1140870B1 (en) * 1998-12-23 2004-01-21 Agrolinz Melamin GmbH Method for purifying melamine
NL1013217C2 (en) * 1999-10-05 2001-04-06 Dsm Nv Process for the preparation of melamine.
NL1013456C2 (en) 1999-11-02 2001-05-03 Dsm Nv Crystalline melamine and its application in amino-formaldehyde resins.
IT1315255B1 (en) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing MELAMINE PURIFICATION PROCESS.
US20030028020A1 (en) * 2001-07-27 2003-02-06 Gupta Ram B. Process for the synthesis of high purity melamine
BR0214215A (en) 2001-11-16 2004-12-21 Ami Agrolinz Melamine Int Gmbh Process for the preparation of melem-free melamine and blunt cooling agents
DE102004018784A1 (en) * 2004-04-14 2005-11-03 Ami-Agrolinz Melamine International Gmbh Process for the preparation of pure melamine

Family Cites Families (8)

* 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
GB800722A (en) * 1955-03-12 1958-09-03 Montedison Spa Improvements in the production of melamine from urea
DE1217964B (en) * 1961-07-13 1966-06-02 Allied Chem Process for the production of pure melamine
DE1695564A1 (en) * 1966-07-22 1971-05-06 Nissan Chemical Ind Ltd Process for the production of melamine of high purity
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
DE2522233A1 (en) * 1975-05-20 1976-12-02 Bollmann L Kg Timber board stacking machine - is fitted with conveyor and supply fork equipped with timing and release controls
IT1270577B (en) * 1993-02-22 1997-05-06 Wladimiro Bizzotto HIGH PRESSURE MELAMINE REACTOR
FI96028C (en) * 1993-07-01 1996-04-25 Kemira Oy Process for making melamine

Also Published As

Publication number Publication date
ATA18695A (en) 1996-08-15
HRP960044A2 (en) 1997-12-31
TW305838B (en) 1997-05-21
IL117016A0 (en) 1996-06-18
AT402296B (en) 1997-03-25
KR19980701828A (en) 1998-06-25
JPH11506415A (en) 1999-06-08
PL321596A1 (en) 1997-12-08
NZ298425A (en) 1999-04-29
EP0807107A1 (en) 1997-11-19
CN1172480A (en) 1998-02-04
WO1996023778A1 (en) 1996-08-08

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Legal Events

Date Code Title Description
FD1 Appl. lapsed due to non-payment of renewal fee
HKX Publication deleted
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
FA14 Dismissal: dismissal - article 34 of industrial property law
B11T Dismissal of application maintained [chapter 11.20 patent gazette]