GB2152505B - Production of melamine - Google Patents

Production of melamine

Info

Publication number
GB2152505B
GB2152505B GB08500197A GB8500197A GB2152505B GB 2152505 B GB2152505 B GB 2152505B GB 08500197 A GB08500197 A GB 08500197A GB 8500197 A GB8500197 A GB 8500197A GB 2152505 B GB2152505 B GB 2152505B
Authority
GB
United Kingdom
Prior art keywords
melamine
production
Prior art date
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.)
Expired
Application number
GB08500197A
Other versions
GB2152505A (en
GB8500197D0 (en
Inventor
Roger Edward Thomas
David Edward Best
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.)
Filing date
Publication date
Application filed by Melamine Chemicals Inc filed Critical Melamine Chemicals Inc
Publication of GB8500197D0 publication Critical patent/GB8500197D0/en
Publication of GB2152505A publication Critical patent/GB2152505A/en
Application granted granted Critical
Publication of GB2152505B publication Critical patent/GB2152505B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
GB08500197A 1984-01-05 1985-01-04 Production of melamine Expired GB2152505B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8500197D0 GB8500197D0 (en) 1985-02-13
GB2152505A GB2152505A (en) 1985-08-07
GB2152505B true GB2152505B (en) 1987-07-29

Family

ID=24271166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08500197A Expired GB2152505B (en) 1984-01-05 1985-01-04 Production of melamine

Country Status (16)

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

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 (en) * 1996-03-21 1997-09-23 Dsm Nv Process for the preparation of 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.
NL1004814C2 (en) * 1996-12-18 1998-06-19 Dsm Nv High purity, white coloured melamine preparation from urea
AU5346298A (en) * 1996-12-16 1998-07-15 Dsm N.V. Method for the preparation of melamine
NL1008571C2 (en) * 1998-03-12 1999-07-28 Dsm Nv Crystalline melamine.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670286A1 (en) * 1967-11-11 1971-01-28 Basf Ag Process for processing the waste gases produced during melamine synthesis
GB1218522A (en) * 1969-01-24 1971-01-06 Nissan Chemical Ind Ltd A process for recovering the purified melamine
NL7903473A (en) * 1979-05-03 1980-11-05 Stamicarbon METHOD FOR PREPARING MELAMINE.
NL8201479A (en) * 1982-04-07 1983-11-01 Stamicarbon METHOD FOR PREPARING MELAMINE.

Also Published As

Publication number Publication date
ATA2185A (en) 1991-01-15
JPH0925271A (en) 1997-01-28
BR8500032A (en) 1985-08-13
JPH0557984B2 (en) 1993-08-25
MX164901B (en) 1992-09-30
ES539126A0 (en) 1986-04-16
GB2152505A (en) 1985-08-07
JP2757163B2 (en) 1998-05-25
NL8403843A (en) 1985-08-01
IT8583302A0 (en) 1985-01-04
NL193832B (en) 2000-08-01
NO176795C (en) 1995-05-31
IE843247L (en) 1985-07-05
FR2557876A1 (en) 1985-07-12
GB8500197D0 (en) 1985-02-13
IE57911B1 (en) 1993-05-19
ES8606303A1 (en) 1986-04-16
AU568469B2 (en) 1987-12-24
KR850005425A (en) 1985-08-26
FR2557876B1 (en) 1991-04-19
IT1188084B (en) 1987-12-30
JPS60208970A (en) 1985-10-21
AU3737685A (en) 1985-07-18
EG16900A (en) 1990-10-30
CA1220476A (en) 1987-04-14
NO845248L (en) 1985-07-08
NO176795B (en) 1995-02-20
NL193832C (en) 2000-12-04
AT393124B (en) 1991-08-26
NZ210678A (en) 1987-03-06
KR920001740B1 (en) 1992-02-24

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050103