BR9510606A - Processo para purificação de melamina - Google Patents

Processo para purificação de melamina

Info

Publication number: BR9510606A
Authority: BR; Brazil
Prior art keywords: melamine; purification process; ammonia pressure; melamine purification; temperature
Prior art date: 1994-12-23

Application number

BR9510606A

Other languages

English (en)

Inventor

Helmut Dr Fingrhut

Gerhard Dipl-Ing Coufal

Lorenzo Inc Dr Canzi

Silvano Giacomuzzo

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.)

1994-12-23

Filing date

1995-12-13

Publication date

1999-02-23

1995-12-13 Application filed by Agrolinz Melamin Gmbh filed Critical Agrolinz Melamin Gmbh

1999-02-23 Publication of BR9510606A publication Critical patent/BR9510606A/pt

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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Phenolic Resins Or Amino Resins (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Color Printing (AREA)
Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)

BR9510606A 1994-12-23 1995-12-13 Processo para purificação de melamina BR9510606A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT0239394A AT402295B (de)	1994-12-23	1994-12-23	Verfahren zur reinigung von melamin
PCT/EP1995/004921 WO1996020183A1 (de)	1994-12-23	1995-12-13	Verfahren zur reinigung von melamin

Publications (1)

Publication Number	Publication Date
BR9510606A true BR9510606A (pt)	1999-02-23

Family

ID=3533533

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9510606A BR9510606A (pt)	1994-12-23	1995-12-13	Processo para purificação de melamina

Country Status (17)

Country	Link
EP (1)	EP0799213B1 (pt)
JP (1)	JPH10511369A (pt)
KR (1)	KR100374731B1 (pt)
CN (1)	CN1068315C (pt)
AT (2)	AT402295B (pt)
BR (1)	BR9510606A (pt)
DE (1)	DE59504292D1 (pt)
DK (1)	DK0799213T3 (pt)
ES (1)	ES2124034T3 (pt)
HR (1)	HRP950605B1 (pt)
IL (1)	IL116516A (pt)
NZ (1)	NZ298044A (pt)
PL (1)	PL187434B1 (pt)
RO (1)	RO115521B1 (pt)
RU (1)	RU2161610C2 (pt)
TW (1)	TW299324B (pt)
WO (1)	WO1996020183A1 (pt)

Families Citing this family (16)

* 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
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.
NL1006095C2 (nl) *	1997-05-21	1998-11-25	Dsm Nv	Werkwijze voor het bereiden van melamine.
EP0983250B1 (en)	1997-05-21	2003-04-16	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.
ID24348A (id) *	1997-06-02	2000-07-13	Dsm Nv	Metode untuk penyiapan melamin
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.
WO1998055465A1 (en) *	1997-06-02	1998-12-10	Dsm N.V.	Crystalline 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.
BR9916562A (pt) *	1998-12-23	2001-10-09	Agrolinz Melamin Gmbh	Processo para purificação de melamina
WO2001007420A2 (de) *	1999-07-27	2001-02-01	Agrolinz Melamin Gmbh	Verfahren zur herstellung von festem melamin
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 (4)

* 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
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
DE2522233A1 (de) *	1975-05-20	1976-12-02	Bollmann L Kg	Maschine zum stapeln von flaechigen gegenstaenden, insbesondere brettern

1994
- 1994-12-23 AT AT0239394A patent/AT402295B/de not_active IP Right Cessation
1995
- 1995-11-27 TW TW084112620A patent/TW299324B/zh active
- 1995-12-13 WO PCT/EP1995/004921 patent/WO1996020183A1/de not_active Ceased
- 1995-12-13 RU RU97112395/04A patent/RU2161610C2/ru not_active IP Right Cessation
- 1995-12-13 NZ NZ298044A patent/NZ298044A/xx unknown
- 1995-12-13 AT AT95942138T patent/ATE173474T1/de not_active IP Right Cessation
- 1995-12-13 KR KR1019970704111A patent/KR100374731B1/ko not_active Expired - Fee Related
- 1995-12-13 CN CN95197017A patent/CN1068315C/zh not_active Expired - Fee Related
- 1995-12-13 RO RO97-01138A patent/RO115521B1/ro unknown
- 1995-12-13 EP EP95942138A patent/EP0799213B1/de not_active Expired - Lifetime
- 1995-12-13 ES ES95942138T patent/ES2124034T3/es not_active Expired - Lifetime
- 1995-12-13 BR BR9510606A patent/BR9510606A/pt not_active IP Right Cessation
- 1995-12-13 DK DK95942138T patent/DK0799213T3/da active
- 1995-12-13 JP JP8520160A patent/JPH10511369A/ja active Pending
- 1995-12-13 DE DE59504292T patent/DE59504292D1/de not_active Expired - Fee Related
- 1995-12-13 PL PL95320790A patent/PL187434B1/pl not_active IP Right Cessation
- 1995-12-19 HR HRA2393/94A patent/HRP950605B1/xx not_active IP Right Cessation
- 1995-12-22 IL IL11651695A patent/IL116516A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
TW299324B (pt)	1997-03-01
WO1996020183A1 (de)	1996-07-04
AT402295B (de)	1997-03-25
EP0799213B1 (de)	1998-11-18
PL187434B1 (pl)	2004-07-30
ATA239394A (de)	1996-08-15
DE59504292D1 (de)	1998-12-24
NZ298044A (en)	1999-07-29
JPH10511369A (ja)	1998-11-04
RU2161610C2 (ru)	2001-01-10
HRP950605B1 (en)	1999-12-31
IL116516A0 (en)	1996-03-31
ES2124034T3 (es)	1999-01-16
CN1068315C (zh)	2001-07-11
RO115521B1 (ro)	2000-03-30
ATE173474T1 (de)	1998-12-15
IL116516A (en)	2000-07-16
HRP950605A2 (en)	1997-10-31
KR100374731B1 (ko)	2003-06-09
DK0799213T3 (da)	1999-08-02
CN1171103A (zh)	1998-01-21
PL320790A1 (en)	1997-10-27
EP0799213A1 (de)	1997-10-08

Publication	Publication Date	Title
BR9510606A (pt)	1999-02-23	Processo para purificação de melamina
BR9602673A (pt)	1998-11-10	Processos contínuo e não-catalítico a alta press o para produção de melamina a partir de uréia
NO994466L (no)	1999-09-15	Krystallinsk aminsalt av cefdinir
RU97112395A (ru)	1999-06-20	Способ очистки меламина
MX9804435A (es)	1998-09-30	Proceso para la preparacion de melamina pura.
DE69405330D1 (de)	1997-10-09	Selbstkühlendes Verfahren zur kryogenischen Fraktionierung und Reinigung von Gas, sowie Wärmetauscher zu seiner Durchführung
ES2162313T3 (es)	2001-12-16	Metodo para la preparacion de melamina.
BR0113799A (pt)	2003-07-08	Processo para produção de melamina de alta pureza a partir de uréia
NO20012492D0 (no)	2001-05-21	Fremgangsmåte for fremstilling av N-alkyl-N'-nitroguanidin
ATE394367T1 (de)	2008-05-15	Verfahren und vorrichtung zur herstellung von harnstoff
JO1980B1 (en)	1997-12-15	Porous granules of ammonium nitrate
EE200100334A (et)	2002-08-15	Melamiini puhastamismeetod
FR2758475B1 (fr)	1999-02-26	Procede et installation de production d'hydrogene de haute purete
GB9319033D0 (en)	1993-10-27	Improvements in or relating to sulphur production from sulphur-braring gas streams
TH23420A (th)	1997-02-10	กระบวนการสำหรับทำให้เมลามีนบริสุทธิ์
DK0924206T3 (da)	2003-07-28	Fremgangsmåde til fremstilling af (R)-3-hydroxy-4-butyrolacton anvendeligt til fremstilling af (R)-carnitin
TW372966B (en)	1999-11-01	Method for preparation of melamine
RU96112134A (ru)	1998-09-27	Способ повышения чистоты меламина
TW334350B (en)	1998-06-21	The producing method for ultra-filter Alumina tube filters
蔡凤鑫 et al.	1994	Study on the
UA11293C2 (uk)	1996-12-25	Спосіб сиhтезу алмазів
TH29887A (pt)	1998-09-04
TH859A (th)	1983-03-11	กระบวนการสำหรับการผลิตยูเรีย

Legal Events

Date	Code	Title	Description
2002-04-23	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2005-03-15	B09A	Decision: intention to grant [chapter 9.1 patent gazette]
2005-06-21	B16A	Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
2014-04-22	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-01	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2259 DE 22/04/2014 POR TER SIDO INDEVIDA.
2020-12-15	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 15A, 16A, 17A, 18A, 19A E 20A ANUIDADES.
2021-04-06	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.