ES539126A0 - Procedimiento continuo para producir melamina a partir de urea - Google Patents

Procedimiento continuo para producir melamina a partir de urea

Info

Publication number: ES539126A0
Authority: ES; Spain
Prior art keywords: urea; continuous procedure; producing melamine; melamine; producing
Prior art date: 1984-01-05
Legal status (The legal status 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 status listed.): Granted

Application number

ES539126A

Other languages

English (en)

Other versions

ES8606303A1 (es

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Melamine Chemicals Inc

Original Assignee

Melamine Chemicals Inc

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.)

1984-01-05

Filing date

1984-12-27

Publication date

1986-04-16

1984-12-27 Application filed by Melamine Chemicals Inc filed Critical Melamine Chemicals Inc

1986-04-16 Publication of ES539126A0 publication Critical patent/ES539126A0/es

1986-04-16 Publication of ES8606303A1 publication Critical patent/ES8606303A1/es

Status Expired legal-status Critical Current

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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
- B01J3/042—Pressure vessels, e.g. autoclaves in the form of a tube

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

ES539126A 1984-01-05 1984-12-27 Procedimiento continuo para producir melamina a partir de urea Expired ES8606303A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US56840884A	1984-01-05	1984-01-05

Publications (2)

Publication Number	Publication Date
ES539126A0 true ES539126A0 (es)	1986-04-16
ES8606303A1 ES8606303A1 (es)	1986-04-16

Family

ID=24271166

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES539126A Expired ES8606303A1 (es)	1984-01-05	1984-12-27	Procedimiento continuo para producir melamina a partir de urea

Country Status (16)

Country	Link
JP (2)	JPS60208970A (es)
KR (1)	KR920001740B1 (es)
AT (1)	AT393124B (es)
AU (1)	AU568469B2 (es)
BR (1)	BR8500032A (es)
CA (1)	CA1220476A (es)
EG (1)	EG16900A (es)
ES (1)	ES8606303A1 (es)
FR (1)	FR2557876B1 (es)
GB (1)	GB2152505B (es)
IE (1)	IE57911B1 (es)
IT (1)	IT1188084B (es)
MX (1)	MX164901B (es)
NL (1)	NL193832C (es)
NO (1)	NO176795C (es)
NZ (1)	NZ210678A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5514796A (en) *	1995-06-07	1996-05-07	Melamine Chemicals, Inc.	Melamine of improved purity produced by high-pressure, non-catalytic process
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.
WO1998027071A1 (en) *	1996-12-16	1998-06-25	Dsm N.V.	Method for the preparation of melamine
NL1004814C2 (nl) *	1996-12-18	1998-06-19	Dsm Nv	Werkwijze voor het bereiden van melamine.
NL1008571C2 (nl) *	1998-03-12	1999-07-28	Dsm Nv	Kristallijn melamine.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1670286A1 (de) *	1967-11-11	1971-01-28	Basf Ag	Verfahren zur Aufarbeitung der bei der Melaminsynthese anfallenden Abgase
GB1218522A (en) *	1969-01-24	1971-01-06	Nissan Chemical Ind Ltd	A process for recovering the purified melamine
NL7903473A (nl) *	1979-05-03	1980-11-05	Stamicarbon	Werkwijze voor het bereiden van melamine.
NL8201479A (nl) *	1982-04-07	1983-11-01	Stamicarbon	Werkwijze voor het bereiden van melamine.

1984
- 1984-12-18 CA CA000470380A patent/CA1220476A/en not_active Expired
- 1984-12-18 IE IE3247/84A patent/IE57911B1/en not_active IP Right Cessation
- 1984-12-19 NL NL8403843A patent/NL193832C/nl not_active IP Right Cessation
- 1984-12-20 NZ NZ210678A patent/NZ210678A/en unknown
- 1984-12-26 EG EG817/84A patent/EG16900A/xx active
- 1984-12-27 NO NO845248A patent/NO176795C/no not_active IP Right Cessation
- 1984-12-27 ES ES539126A patent/ES8606303A1/es not_active Expired
- 1984-12-29 JP JP59282026A patent/JPS60208970A/ja active Granted
- 1984-12-31 KR KR1019840008590A patent/KR920001740B1/ko not_active Expired
1985
- 1985-01-04 GB GB08500197A patent/GB2152505B/en not_active Expired
- 1985-01-04 MX MX203965A patent/MX164901B/es unknown
- 1985-01-04 IT IT83302/85A patent/IT1188084B/it active
- 1985-01-04 AU AU37376/85A patent/AU568469B2/en not_active Expired
- 1985-01-04 AT AT21/85A patent/AT393124B/de not_active IP Right Cessation
- 1985-01-04 FR FR858500073A patent/FR2557876B1/fr not_active Expired - Lifetime
- 1985-01-04 BR BR8500032A patent/BR8500032A/pt not_active IP Right Cessation
1996
- 1996-01-24 JP JP8029814A patent/JP2757163B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
NL8403843A (nl)	1985-08-01
ES8606303A1 (es)	1986-04-16
KR920001740B1 (ko)	1992-02-24
NO845248L (no)	1985-07-08
JPH0557984B2 (es)	1993-08-25
FR2557876A1 (fr)	1985-07-12
MX164901B (es)	1992-09-30
NO176795C (no)	1995-05-31
JPS60208970A (ja)	1985-10-21
EG16900A (en)	1990-10-30
JPH0925271A (ja)	1997-01-28
BR8500032A (pt)	1985-08-13
KR850005425A (ko)	1985-08-26
GB2152505A (en)	1985-08-07
AU568469B2 (en)	1987-12-24
NL193832B (nl)	2000-08-01
NL193832C (nl)	2000-12-04
IE843247L (en)	1985-07-05
FR2557876B1 (fr)	1991-04-19
IE57911B1 (en)	1993-05-19
NO176795B (no)	1995-02-20
AU3737685A (en)	1985-07-18
GB8500197D0 (en)	1985-02-13
ATA2185A (de)	1991-01-15
IT8583302A0 (it)	1985-01-04
JP2757163B2 (ja)	1998-05-25
IT1188084B (it)	1987-12-30
NZ210678A (en)	1987-03-06
CA1220476A (en)	1987-04-14
GB2152505B (en)	1987-07-29
AT393124B (de)	1991-08-26

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Legal Events

Date	Code	Title	Description
1998-04-16	PC1A	Transfer granted
2007-12-16	FD1A	Patent lapsed	Effective date: 20060206