BR9607332A - Process for purifying melamine - Google Patents

Process for purifying melamine

Info

Publication number: BR9607332A
Authority: BR; Brazil
Prior art keywords: purifying melamine; melamine; purifying
Prior art date: 1995-02-03

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.)

1995-02-03

Filing date

1996-01-08

Publication date

1997-11-25

1996-01-08 Application filed by Agrolinz Melamin Gmbh filed Critical Agrolinz Melamin Gmbh

1997-11-25 Publication of BR9607332A publication Critical patent/BR9607332A/en

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.
NL1006095C2 (en) *	1997-05-21	1998-11-25	Dsm Nv	Preparation of melamine from urea via a high pressure process
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 (en) *	1997-05-28	1998-12-01	Dsm Nv	Pure melamine is formed from urea by spray cooling the melamine melt
NL1006192C2 (en)	1997-06-02	1998-12-03	Dsm Nv	Melamine is prepared from urea in a high pressure process
WO1998055465A1 (en)	1997-06-02	1998-12-10	Dsm N.V.	Crystalline melamine
ID24348A (en) *	1997-06-02	2000-07-13	Dsm Nv	METHODS FOR MELAMIN PREPARATION
NL1008571C2 (en) *	1998-03-12	1999-07-28	Dsm Nv	Crystalline melamine.
HUP0104769A2 (en) *	1998-11-13	2002-03-28	Agrolinz Melamin Gmbh	Method for producing pure melamine
BR9916562A (en) *	1998-12-23	2001-10-09	Agrolinz Melamin Gmbh	Melamine purification process
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
AU2002351684B2 (en)	2001-11-16	2008-02-07	Ami-Agrolinz Melamine International Gmbh	Method for producing melem-free melamine and quenching 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

1995
- 1995-02-03 AT AT0018695A patent/AT402296B/en not_active IP Right Cessation
- 1995-12-13 TW TW084113280A patent/TW305838B/zh active
1996
- 1996-01-08 KR KR1019970705225A patent/KR19980701828A/en not_active Withdrawn
- 1996-01-08 PL PL96321596A patent/PL321596A1/en unknown
- 1996-01-08 BR BR9607332A patent/BR9607332A/en not_active Application Discontinuation
- 1996-01-08 WO PCT/EP1996/000045 patent/WO1996023778A1/en not_active Ceased
- 1996-01-08 JP JP8523198A patent/JPH11506415A/en active Pending
- 1996-01-08 NZ NZ298425A patent/NZ298425A/en unknown
- 1996-01-08 CN CN96191742A patent/CN1172480A/en active Pending
- 1996-01-08 EP EP96900304A patent/EP0807107A1/en not_active Withdrawn
- 1996-01-30 HR HRA186/95A patent/HRP960044A2/en not_active Application Discontinuation
- 1996-02-02 IL IL11701696A patent/IL117016A0/en unknown

Also Published As

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

Publication	Publication Date	Title
BR9607332A (en)	1997-11-25	Process for purifying melamine
PT770615E (en)	2003-10-31	PROCESS FOR THE PREPARATION OF DI HALOAZOLOPYRIMIDINES
BR9604988A (en)	1999-05-25	Process for inhibiting duct clogging
BR9509505A (en)	1997-12-30	Process for forming aluminum-silicate derivatives
BR9606782A (en)	1997-12-30	Process for preparing cyclopylacetylene
BR9708535A (en)	1999-08-03	Process for producing a compound
BR9710099A (en)	1999-08-10	Process for producing compounds
BR9611892A (en)	1999-02-17	Process for preparing pure melamine
BR9602638A (en)	1998-04-22	Melamine purification process
PT839138E (en)	2004-10-29	PROCESS FOR THE PREPARATION OF N-SUBSTITUTED 3-HYDROXYPRAZOES
BR9610807A (en)	1999-07-13	Process for manufacturing a company
BR9402855A (en)	1995-04-04	Process for purifying epsilon-caprolactam
PT824517E (en)	2002-12-31	PROCESS FOR THE PREPARATION OF LERCANIDIPINE CHLORIDRATE
BR9300234A (en)	1993-08-24	PROCESS FOR PURIFICATION OF POLYSULPHETS
BR9808011B1 (en)	2011-10-18	process for the purification of caprolactam.
PT877738E (en)	2003-09-30	PROCESS FOR THE PREPARATION OF PHENYL-IMIDAZOLIDINE DERIVATIVES
BR9600177A (en)	1997-10-07	Process for the preparation of block copolymers
BR9606199A (en)	1998-08-25	Process for producing objects
PT842930E (en)	2002-08-30	PROCESS FOR BENZOYOPHENE SYNTHESIS
BR9603191A (en)	1998-04-22	Process for positioning a part
PT844999E (en)	2003-07-31	PURIFICATION PROCESS
BR9602619A (en)	1998-09-01	Process for preparing a compound
BR9404156A (en)	1995-06-20	Process for purifying indigo
BR9600847A (en)	1997-12-30	2,2,6,6-Tetramethylpiperidin-4-On mentilation process
BR9601278A (en)	1998-01-13	Process for producing acylating agents

Legal Events

Date	Code	Title
2001-10-30	FD1	Appl. lapsed due to non-payment of renewal fee
2001-12-04	HKX	Publication deleted
2002-05-07	FB34	Technical and formal requirements: requirement - article 34 of industrial property law
2002-12-10	FA14	Dismissal: dismissal - article 34 of industrial property law
2020-09-24	B11T	Dismissal of application maintained [chapter 11.20 patent gazette]