NO845248L - Vannfri syntese av melamin med hoeyt trykk - Google Patents

Vannfri syntese av melamin med hoeyt trykk

Info

Publication number
NO845248L
NO845248L NO84845248A NO845248A NO845248L NO 845248 L NO845248 L NO 845248L NO 84845248 A NO84845248 A NO 84845248A NO 845248 A NO845248 A NO 845248A NO 845248 L NO845248 L NO 845248L
Authority
NO
Norway
Prior art keywords
melamine
water
high pressure
free synthesis
synthesis
Prior art date
Application number
NO84845248A
Other languages
English (en)
Other versions
NO176795C (no
NO176795B (no
Inventor
Roger Edward Thomas
David Edward Best
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 NO845248L publication Critical patent/NO845248L/no
Publication of NO176795B publication Critical patent/NO176795B/no
Publication of NO176795C publication Critical patent/NO176795C/no

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
NO845248A 1984-01-05 1984-12-27 Kontinuerlig prosess og anlegg for fremstilling av melamin fra urea NO176795C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO845248L true NO845248L (no) 1985-07-08
NO176795B NO176795B (no) 1995-02-20
NO176795C NO176795C (no) 1995-05-31

Family

ID=24271166

Family Applications (1)

Application Number Title Priority Date Filing Date
NO845248A NO176795C (no) 1984-01-05 1984-12-27 Kontinuerlig prosess og anlegg for fremstilling av melamin fra urea

Country Status (16)

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

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.
NL1004814C2 (nl) * 1996-12-18 1998-06-19 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
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.

Also Published As

Publication number Publication date
MX164901B (es) 1992-09-30
KR920001740B1 (ko) 1992-02-24
GB2152505B (en) 1987-07-29
NL193832B (nl) 2000-08-01
AT393124B (de) 1991-08-26
IE843247L (en) 1985-07-05
JPH0557984B2 (no) 1993-08-25
ATA2185A (de) 1991-01-15
CA1220476A (en) 1987-04-14
FR2557876B1 (fr) 1991-04-19
EG16900A (en) 1990-10-30
JP2757163B2 (ja) 1998-05-25
KR850005425A (ko) 1985-08-26
JPH0925271A (ja) 1997-01-28
IT8583302A0 (it) 1985-01-04
AU568469B2 (en) 1987-12-24
JPS60208970A (ja) 1985-10-21
IE57911B1 (en) 1993-05-19
NL8403843A (nl) 1985-08-01
GB8500197D0 (en) 1985-02-13
ES8606303A1 (es) 1986-04-16
NO176795C (no) 1995-05-31
IT1188084B (it) 1987-12-30
FR2557876A1 (fr) 1985-07-12
NZ210678A (en) 1987-03-06
ES539126A0 (es) 1986-04-16
BR8500032A (pt) 1985-08-13
AU3737685A (en) 1985-07-18
GB2152505A (en) 1985-08-07
NL193832C (nl) 2000-12-04
NO176795B (no) 1995-02-20

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Legal Events

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MK1K Patent expired