NL7305960A - - Google Patents

Info

Publication number
NL7305960A
NL7305960A NL7305960A NL7305960A NL7305960A NL 7305960 A NL7305960 A NL 7305960A NL 7305960 A NL7305960 A NL 7305960A NL 7305960 A NL7305960 A NL 7305960A NL 7305960 A NL7305960 A NL 7305960A
Authority
NL
Netherlands
Application number
NL7305960A
Other versions
NL176778C (nl
NL176778B (nl
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
Priority claimed from DE19722220905 external-priority patent/DE2220905C3/de
Application filed filed Critical
Publication of NL7305960A publication Critical patent/NL7305960A/xx
Publication of NL176778B publication Critical patent/NL176778B/xx
Application granted granted Critical
Publication of NL176778C publication Critical patent/NL176778C/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7305960,A 1972-04-28 1973-04-27 Werkwijze voor de katalytische bereiding van melamine. NL176778C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722220905 DE2220905C3 (de) 1972-04-28 Verfahren zur katalytischer! Herstellung von Melamin

Publications (3)

Publication Number Publication Date
NL7305960A true NL7305960A (xx) 1973-10-30
NL176778B NL176778B (nl) 1985-01-02
NL176778C NL176778C (nl) 1985-06-03

Family

ID=5843556

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7305960,A NL176778C (nl) 1972-04-28 1973-04-27 Werkwijze voor de katalytische bereiding van melamine.

Country Status (7)

Country Link
US (1) US3895007A (xx)
JP (1) JPS5737591B2 (xx)
AT (1) AT322560B (xx)
FR (1) FR2182071B1 (xx)
GB (1) GB1419576A (xx)
IT (1) IT980326B (xx)
NL (1) NL176778C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO74590A (ro) * 1977-01-19 1981-08-30 Stamicarbon Bv,Nl Procedeu de preparare a melaminei din uree
NL7903473A (nl) * 1979-05-03 1980-11-05 Stamicarbon Werkwijze voor het bereiden van melamine.
DE3138419A1 (de) * 1981-09-26 1983-04-14 Basf Ag, 6700 Ludwigshafen Verfahren zur verbesserung der melaminqualitaet durch reaktivierung von bei der melaminsynthese eingesetzten katalysatoren
DE102005023041B4 (de) * 2005-05-06 2007-10-11 Lurgi Ag Verfahren zum Herstellen von Melamin mit Wärmerückgewinnung
DE102009052420C5 (de) * 2009-11-10 2014-05-22 Lurgi Gmbh Verfahren zur kontinuierlichen Herstellung von Melamin

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6715751A (xx) * 1967-11-21 1969-05-23
DE1812120C3 (de) * 1968-12-02 1974-02-28 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Melamin

Also Published As

Publication number Publication date
JPS5737591B2 (xx) 1982-08-10
NL176778C (nl) 1985-06-03
DE2220905B2 (de) 1976-05-13
FR2182071A1 (xx) 1973-12-07
FR2182071B1 (xx) 1978-04-21
AT322560B (de) 1975-05-26
DE2220905A1 (de) 1973-11-08
NL176778B (nl) 1985-01-02
GB1419576A (en) 1975-12-31
JPS4947383A (xx) 1974-05-08
US3895007A (en) 1975-07-15
IT980326B (it) 1974-09-30

Similar Documents

Publication Publication Date Title
JPS4881135A (xx)
JPS4876064A (xx)
JPS5133588B2 (xx)
JPS5147443B2 (xx)
FR2208640A1 (xx)
FR2182071B1 (xx)
JPS4935438U (xx)
JPS5728532Y2 (xx)
JPS4961937A (xx)
JPS492999A (xx)
JPS4932556U (xx)
JPS4961678A (xx)
JPS4893968U (xx)
JPS5340009Y2 (xx)
JPS4842352Y1 (xx)
JPS537942Y1 (xx)
JPS48113720U (xx)
JPS4953247U (xx)
JPS4960952A (xx)
JPS4961775U (xx)
FR2195814A1 (xx)
JPS4882460U (xx)
CH575070A5 (xx)
CH579257A5 (xx)
CH580046A5 (xx)

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee