DZ1956A1 - Procédé de fabrication de mélanine de grande purté. - Google Patents

Procédé de fabrication de mélanine de grande purté.

Info

Publication number
DZ1956A1
DZ1956A1 DZ950139A DZ950139A DZ1956A1 DZ 1956 A1 DZ1956 A1 DZ 1956A1 DZ 950139 A DZ950139 A DZ 950139A DZ 950139 A DZ950139 A DZ 950139A DZ 1956 A1 DZ1956 A1 DZ 1956A1
Authority
DZ
Algeria
Prior art keywords
melanin
production
high purity
purity
purity melanin
Prior art date
Application number
DZ950139A
Other languages
English (en)
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
Application granted granted Critical
Publication of DZ1956A1 publication Critical patent/DZ1956A1/fr

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)
DZ950139A 1994-12-23 1995-12-20 Procédé de fabrication de mélanine de grande purté. DZ1956A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0239294A AT402294B (de) 1994-12-23 1994-12-23 Verfahren zur herstellung von hochreinem melamin

Publications (1)

Publication Number Publication Date
DZ1956A1 true DZ1956A1 (fr) 2002-02-17

Family

ID=3533515

Family Applications (1)

Application Number Title Priority Date Filing Date
DZ950139A DZ1956A1 (fr) 1994-12-23 1995-12-20 Procédé de fabrication de mélanine de grande purté.

Country Status (29)

Country Link
US (1) US5721363A (fr)
EP (1) EP0799212B1 (fr)
JP (1) JPH10511368A (fr)
KR (1) KR100374730B1 (fr)
CN (1) CN1082951C (fr)
AR (1) AR000529A1 (fr)
AT (2) AT402294B (fr)
BG (1) BG63203B1 (fr)
BR (1) BR9510363A (fr)
CA (1) CA2207059A1 (fr)
DE (1) DE59505010D1 (fr)
DK (1) DK0799212T3 (fr)
DZ (1) DZ1956A1 (fr)
EG (1) EG20979A (fr)
ES (1) ES2128798T3 (fr)
HR (1) HRP950607B1 (fr)
HU (1) HU217784B (fr)
IL (1) IL116515A (fr)
MY (1) MY112743A (fr)
NO (1) NO307607B1 (fr)
NZ (1) NZ298387A (fr)
PL (1) PL187258B1 (fr)
RO (2) RO116276B1 (fr)
RU (1) RU2161609C2 (fr)
SK (1) SK281912B6 (fr)
TR (1) TR199501628A2 (fr)
TW (1) TW299325B (fr)
WO (1) WO1996020182A1 (fr)
ZA (1) ZA9510900B (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
AT403579B (de) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
US6380385B1 (en) 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
NL1002669C2 (nl) * 1996-03-21 1997-09-23 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003105C2 (nl) * 1996-05-14 1997-11-18 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1003328C2 (nl) * 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003709C2 (nl) * 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
EP0983250B1 (fr) * 1997-05-21 2003-04-16 Dsm N.V. Procede servant a preparer de la melamine
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
CA2291736A1 (fr) * 1997-05-28 1998-12-03 Dsm N.V. Procede de preparation de melamine
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
WO1998055466A1 (fr) * 1997-06-02 1998-12-10 Dsm N.V. Procede servant a preparer de la melamine
PL190496B1 (pl) * 1997-06-02 2005-12-30 Dsm Nv Multikrystaliczny melaminowy proszek
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
IT1292427B1 (it) * 1997-06-27 1999-02-08 Eurotecnica Contractors And En Procedimento e apparecchiatura per la produzione di melammina
TWI221472B (en) * 1997-10-15 2004-10-01 Dsm Ip Assets Bv Process for the preparation of melamine
US6355797B2 (en) * 1998-01-30 2002-03-12 Agrolinz Melamin Gmbh Process for cooling melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
US6303781B1 (en) * 1998-05-12 2001-10-16 Dsm N.V. Method for preparing melamine
CZ20011625A3 (cs) * 1998-11-13 2001-08-15 Agrolinz Melamin Gmbh Způsob výroby čistého melaminu
BR9916562A (pt) 1998-12-23 2001-10-09 Agrolinz Melamin Gmbh Processo para purificação de melamina
EP1035117A1 (fr) * 1999-03-08 2000-09-13 Dsm N.V. Procédé pour la préparation de la mélamine a partir d'urée
EP1054006A1 (fr) * 1999-05-20 2000-11-22 Dsm N.V. Procédé de préparation de mélamine
NL1013217C2 (nl) * 1999-10-05 2001-04-06 Dsm Nv Werkwijze voor de bereiding van melamine.
IT1315255B1 (it) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing Procedimento di purificazione della melammina.
AT410210B (de) 2000-08-07 2003-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
EP1188751A1 (fr) * 2000-09-13 2002-03-20 Casale Chemicals SA Procédé de production de mélamine très pure à partir d'urée
AT500297B8 (de) * 2000-11-08 2007-02-15 Agrolinz Melamin Gmbh Verfahren zur reinigung von melaminhältigen ammoniak
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
WO2005068440A1 (fr) * 2004-01-17 2005-07-28 Casale Chemicals S.A. Amelioration du rendement en melamine des procedes de production de melamine par catalyse
DE102004018784A1 (de) * 2004-04-14 2005-11-03 Ami-Agrolinz Melamine International Gmbh Verfahren zur Herstellung von reinem Melamin
EP2098516A1 (fr) * 2008-03-04 2009-09-09 Urea Casale S.A. Processus de production de mélamine de grande pureté à partir d'urée
ITMI20080861A1 (it) * 2008-05-13 2009-11-14 Eurotecnica Melamine Luxembourg Processo migliorato per la purificazione della melammina e relativa apparecchiatura
US8563115B2 (en) 2008-08-12 2013-10-22 Xerox Corporation Protective coatings for solid inkjet applications
US8191992B2 (en) 2008-12-15 2012-06-05 Xerox Corporation Protective coatings for solid inkjet applications
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
IT1400090B1 (it) * 2010-05-06 2013-05-17 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento a basso consumo energetico per la produzione di melammina ad elevata purezza tramite pirolisi dell'urea, e relativa apparecchiatura
RU2692260C1 (ru) * 2018-05-28 2019-06-24 Георгий Евгеньевич Гайдадин Способ получения меланина из личинок черной львинки

Family Cites Families (14)

* 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
AT229876B (de) * 1959-10-22 1963-10-25 Montedison Spa Verfahren zur Herstellung von sehr reinem Melamin
DE1217964B (de) * 1961-07-13 1966-06-02 Allied Chem Verfahren zur Gewinnung von reinem Melamin
GB1003277A (en) * 1963-07-10 1965-09-02 Nissan Chemical Ind Ltd Process and apparatus for the production and separation of melamine
DE1695564A1 (de) * 1966-07-22 1971-05-06 Nissan Chemical Ind Ltd Verfahren zur Herstellung von Melamin hoher Reinheit
DE1670154C3 (de) * 1966-10-06 1975-01-30 Basf Ag, 6700 Ludwigshafen Verfahren zur Abscheidung von reinem Melamin aus den Abgasen der Melamlnsynthese aus Harnstoff
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
IT1270577B (it) * 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione
FI96028C (fi) * 1993-07-01 1996-04-25 Kemira Oy Menetelmä melamiinin valmistamiseksi
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
ES2128798T3 (es) 1999-05-16
JPH10511368A (ja) 1998-11-04
NO972869L (no) 1997-08-14
ZA9510900B (en) 1996-06-24
WO1996020182A1 (fr) 1996-07-04
BG63203B1 (bg) 2001-06-29
IL116515A (en) 2000-08-31
TR199501628A2 (tr) 1996-07-21
SK281912B6 (sk) 2001-09-11
EP0799212A1 (fr) 1997-10-08
NO307607B1 (no) 2000-05-02
IL116515A0 (en) 1996-03-31
RO116276B1 (ro) 2000-12-29
PL187258B1 (pl) 2004-06-30
NO972869D0 (no) 1997-06-20
RO115874B1 (ro) 2000-07-28
RU2161609C2 (ru) 2001-01-10
CN1171102A (zh) 1998-01-21
SK79297A3 (en) 1997-10-08
MX9704638A (es) 1998-07-31
ATE176228T1 (de) 1999-02-15
KR100374730B1 (ko) 2003-06-02
TW299325B (fr) 1997-03-01
AT402294B (de) 1997-03-25
AR000529A1 (es) 1997-07-10
PL320789A1 (en) 1997-10-27
HRP950607A2 (en) 1997-10-31
EG20979A (en) 2000-08-30
ATA239294A (de) 1996-08-15
EP0799212B1 (fr) 1999-01-27
DE59505010D1 (de) 1999-03-11
BG101594A (en) 1998-02-27
HU217784B (hu) 2000-04-28
CA2207059A1 (fr) 1996-07-04
NZ298387A (en) 1999-04-29
AU4386196A (en) 1996-07-19
HRP950607B1 (en) 2000-04-30
US5721363A (en) 1998-02-24
CN1082951C (zh) 2002-04-17
DK0799212T3 (da) 1999-09-13
BR9510363A (pt) 1997-12-23
MY112743A (en) 2001-08-30
HUT77060A (hu) 1998-03-02
AU692034B2 (en) 1998-05-28

Similar Documents

Publication Publication Date Title
DZ1956A1 (fr) Procédé de fabrication de mélanine de grande purté.
EP0972748A4 (fr) Procede de fabrication de pseudo-bohemite
FR2729159B1 (fr) Procede de fabrication de cellulose micro-dimensionnee
IS4201A (is) Aðferð til framleiðslu á Benzofuran afleiðum
NO985961D0 (no) FremgangsmÕte for produksjon av oksygen
EP0608244A4 (fr) Procede de fabrication de tallols.
EP0637060A3 (fr) Procédé pour fabriquer des structures de silicone intrapolycristallin isolées.
FR2704548B1 (fr) Procédé pour la production de trialcoxysilanes.
NO950487D0 (no) Fremgangsmåte for fremstilling av hydrogen
IT1276693B1 (it) Procedimento per la produzione di isomaltitolo
DZ2637A1 (fr) Procédé de production de thiazolidinediones substituées.
ITMI920134A0 (it) Procedimento migliorato per la produzione di calcourea
NO20011089D0 (no) FremgangsmÕte for produksjon av sialylerte oligosakkarider
IT1289763B1 (it) Processo per la produziond di cefazolina
FR2717458B1 (fr) Procédé de production de dioxyde de chlore.
EP0654486A3 (fr) Procédé de fabrication de copolymères.
FR2686898B1 (fr) Methode de production de la l-phenylalanine.
FR2731701B1 (fr) Procede de fabrication de fluoroalcanes
EP0602937A3 (fr) Procédé pour la fabrication de contacts tranchants.
FI940265L (fi) Jatkuvatoiminen menetelmä dimetoksietanaalin teolliseksi valmistamiseksi
IT1303824B1 (it) Procedimento per la produzione di caprolattame di elevata purezza.
FI973470A7 (fi) Menetelmä metyyliformiaatin valmistamiseksi keskeytymättömästi
FR2694019B1 (fr) Procédé de fabrication de mannitol.
ITRM960874A0 (it) Procedimento migliorato per la produzione di 5-idrossimetiltiazolo
IS4707A (is) Aðferð til framleiðslu á díoxóazabísýklóhexönum