NO20021600L - Fremgangsmåte for fremstilling av melamin - Google Patents

Fremgangsmåte for fremstilling av melamin

Info

Publication number
NO20021600L
NO20021600L NO20021600A NO20021600A NO20021600L NO 20021600 L NO20021600 L NO 20021600L NO 20021600 A NO20021600 A NO 20021600A NO 20021600 A NO20021600 A NO 20021600A NO 20021600 L NO20021600 L NO 20021600L
Authority
NO
Norway
Prior art keywords
pressure
mpa
melamine
cooling step
stripping
Prior art date
Application number
NO20021600A
Other languages
English (en)
Other versions
NO20021600D0 (no
NO321873B1 (no
Inventor
Tjay Tjien Tjioe
Original Assignee
Dsm Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19769995&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO20021600(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dsm Nv filed Critical Dsm Nv
Publication of NO20021600D0 publication Critical patent/NO20021600D0/no
Publication of NO20021600L publication Critical patent/NO20021600L/no
Publication of NO321873B1 publication Critical patent/NO321873B1/no

Links

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
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Treating Waste Gases (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Degasification And Air Bubble Elimination (AREA)
NO20021600A 1999-10-05 2002-04-04 Fremgangsmate for fremstilling av melamin NO321873B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1013217A NL1013217C2 (nl) 1999-10-05 1999-10-05 Werkwijze voor de bereiding van melamine.
PCT/NL2000/000646 WO2001025221A1 (en) 1999-10-05 2000-09-12 Process for the preparation of melamine

Publications (3)

Publication Number Publication Date
NO20021600D0 NO20021600D0 (no) 2002-04-04
NO20021600L true NO20021600L (no) 2002-06-05
NO321873B1 NO321873B1 (no) 2006-07-17

Family

ID=19769995

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20021600A NO321873B1 (no) 1999-10-05 2002-04-04 Fremgangsmate for fremstilling av melamin

Country Status (16)

Country Link
US (1) US6664392B2 (no)
EP (1) EP1224176B1 (no)
JP (1) JP2003511379A (no)
KR (1) KR100679793B1 (no)
CN (1) CN1157385C (no)
AT (1) ATE295840T1 (no)
AU (1) AU780442B2 (no)
CA (1) CA2386219C (no)
DE (1) DE60020258T2 (no)
EA (1) EA004054B1 (no)
ES (1) ES2239616T3 (no)
NL (1) NL1013217C2 (no)
NO (1) NO321873B1 (no)
PL (1) PL355541A1 (no)
TW (1) TW498069B (no)
WO (1) WO2001025221A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410793B (de) * 2000-12-27 2003-07-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
CN108871027B (zh) * 2017-05-10 2020-08-14 尹明大 一种三聚氰胺热气冷却器及热气过滤器的化学再生方法及系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT402296B (de) * 1995-02-03 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
AT403579B (de) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
NL1003105C2 (nl) * 1996-05-14 1997-11-18 Dsm Nv Werkwijze voor de bereiding van melamine.

Also Published As

Publication number Publication date
NO20021600D0 (no) 2002-04-04
US6664392B2 (en) 2003-12-16
EA200200423A1 (ru) 2002-10-31
ES2239616T3 (es) 2005-10-01
CA2386219C (en) 2008-05-06
KR100679793B1 (ko) 2007-02-07
NO321873B1 (no) 2006-07-17
KR20020034210A (ko) 2002-05-08
EP1224176B1 (en) 2005-05-18
TW498069B (en) 2002-08-11
AU7561000A (en) 2001-05-10
DE60020258D1 (de) 2005-06-23
CN1402714A (zh) 2003-03-12
CA2386219A1 (en) 2001-04-12
CN1157385C (zh) 2004-07-14
DE60020258T2 (de) 2006-01-12
NL1013217C2 (nl) 2001-04-06
US20030004343A1 (en) 2003-01-02
WO2001025221A1 (en) 2001-04-12
EP1224176A1 (en) 2002-07-24
EA004054B1 (ru) 2003-12-25
JP2003511379A (ja) 2003-03-25
AU780442B2 (en) 2005-03-24
ATE295840T1 (de) 2005-06-15
PL355541A1 (en) 2004-05-04

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Legal Events

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