NL6918571A - - Google Patents

Info

Publication number
NL6918571A
NL6918571A NL6918571A NL6918571A NL6918571A NL 6918571 A NL6918571 A NL 6918571A NL 6918571 A NL6918571 A NL 6918571A NL 6918571 A NL6918571 A NL 6918571A NL 6918571 A NL6918571 A NL 6918571A
Authority
NL
Netherlands
Application number
NL6918571A
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 to BE760072D priority Critical patent/BE760072A/xx
Application filed filed Critical
Priority to NL6918571A priority patent/NL6918571A/xx
Priority to ZA708239A priority patent/ZA708239B/xx
Priority to FR7044094A priority patent/FR2073065A5/fr
Priority to GB58294/70A priority patent/GB1275490A/en
Priority to US96466A priority patent/US3697519A/en
Priority to CH1819270A priority patent/CH543523A/de
Priority to PL1970144904A priority patent/PL73475B1/pl
Priority to NO4768/70A priority patent/NO131642C/no
Priority to ES386315A priority patent/ES386315A1/es
Priority to DE19702060929 priority patent/DE2060929A1/de
Priority to AT1110170A priority patent/AT301561B/de
Priority to SE7016828A priority patent/SE381658B/xx
Priority to JP45110364A priority patent/JPS4917271B1/ja
Publication of NL6918571A publication Critical patent/NL6918571A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • 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
    • 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
    • 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
    • C07D251/62—Purification of melamine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
NL6918571A 1969-12-11 1969-12-11 NL6918571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (14)

Application Number Priority Date Filing Date Title
BE760072D BE760072A (fr) 1969-12-11 Procede pour la separation de melamine a partir d'un melange gazeux de synthese comprenant de la vapeur de melamine
NL6918571A NL6918571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1969-12-11
ZA708239A ZA708239B (en) 1969-12-11 1970-12-07 Process for separating off melamine from a hot synthesis gas mixture which contains melamine vapour
FR7044094A FR2073065A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1970-12-08
GB58294/70A GB1275490A (en) 1969-12-11 1970-12-08 Process for separating off melamine from a hot synthesis gas mixture which contains melamine vapour
US96466A US3697519A (en) 1969-12-11 1970-12-09 Process for separating off melamine from a hot synthesis gas mixture which contains melamine vapor
CH1819270A CH543523A (de) 1969-12-11 1970-12-09 Verfahren zur Abtrennung von Melamin aus einer heissen Synthesegasmischung, die Melamindampf enthält
PL1970144904A PL73475B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1970-12-10
NO4768/70A NO131642C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1970-12-10
ES386315A ES386315A1 (es) 1969-12-11 1970-12-10 Un procedimiento para separar melamina desde una mezcla ga-seosa de sintesis, caliente.
DE19702060929 DE2060929A1 (de) 1969-12-11 1970-12-10 Verfahren zur Abtrennung von Melamin aus einer heissen Synthesemischung,die Melamindampf enthaelt
AT1110170A AT301561B (de) 1969-12-11 1970-12-10 Verfahren zur Abtrennung von Melamin aus einer heißen melaminhaltigen Synthesegasmischung
SE7016828A SE381658B (sv) 1969-12-11 1970-12-11 Forfarande for separering av melamin fran en het syntesgasblandning som innehaller melaminanga, ammoniak och koldioxid
JP45110364A JPS4917271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1970-12-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6918571A NL6918571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1969-12-11

Publications (1)

Publication Number Publication Date
NL6918571A true NL6918571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-06-15

Family

ID=19808596

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6918571A NL6918571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-12-11 1969-12-11

Country Status (14)

Country Link
US (1) US3697519A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4917271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT301561B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE760072A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH543523A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2060929A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES386315A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2073065A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1275490A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6918571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO131642C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PL (1) PL73475B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE381658B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA708239B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146120B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-22 1976-12-07
US4138560A (en) * 1975-06-10 1979-02-06 Basf Aktiengesellschaft Process for cooling melamine synthesis waste gases
DE102005023042B4 (de) * 2005-05-06 2007-10-31 Lurgi Ag Verfahren zur Herstellung von Melamin
EP2050740A1 (de) * 2007-10-15 2009-04-22 Basf Se Verfahren zur Herstellung von Melamin
US9863725B1 (en) 2012-02-29 2018-01-09 The United States Of America As Represented By The Secretary Of The Air Force Systems and methods for thermal management through use of ammonium carbamate
CN108465288A (zh) * 2018-05-07 2018-08-31 河南省中原大化集团有限责任公司 一种物料之间热能交换装置及应用方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239522A (en) * 1963-03-12 1966-03-08 Chemical Construction Corp Synthesis of urea and melamine
US3544628A (en) * 1965-09-20 1970-12-01 Pullman Inc Urea synthesis
NL6809253A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-06-29 1969-12-31

Also Published As

Publication number Publication date
NO131642B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-03-24
JPS4917271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-04-27
CH543523A (de) 1973-10-31
GB1275490A (en) 1972-05-24
DE2060929A1 (de) 1971-06-16
NO131642C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-07-02
SE381658B (sv) 1975-12-15
US3697519A (en) 1972-10-10
FR2073065A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-09-24
ZA708239B (en) 1971-09-29
BE760072A (fr) 1971-06-09
AT301561B (de) 1972-09-11
PL73475B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-10-30
ES386315A1 (es) 1973-03-16

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