FR1560175A - - Google Patents

Info

Publication number
FR1560175A
FR1560175A FR1560175DA FR1560175A FR 1560175 A FR1560175 A FR 1560175A FR 1560175D A FR1560175D A FR 1560175DA FR 1560175 A FR1560175 A FR 1560175A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1560175A publication Critical patent/FR1560175A/fr
Expired legal-status Critical Current

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)
  • Treating Waste Gases (AREA)
FR1560175D 1967-04-26 1968-04-23 Expired FR1560175A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0092250 1967-04-26

Publications (1)

Publication Number Publication Date
FR1560175A true FR1560175A (cs) 1969-03-14

Family

ID=6986285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1560175D Expired FR1560175A (cs) 1967-04-26 1968-04-23

Country Status (6)

Country Link
AT (1) AT273979B (cs)
BE (1) BE714111A (cs)
DE (1) DE1670216C3 (cs)
FR (1) FR1560175A (cs)
GB (1) GB1215836A (cs)
NL (1) NL155313B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000010990A1 (it) * 2020-05-14 2021-11-14 Eurotecnica Melamine Ag Metodo di lavaggio di un separatore per urea fusa e relativo apparato separatore

Also Published As

Publication number Publication date
DE1670216A1 (de) 1971-01-21
NL6805661A (cs) 1968-10-28
NL155313B (nl) 1977-12-15
AT273979B (de) 1969-09-10
DE1670216B2 (de) 1973-05-24
GB1215836A (en) 1970-12-16
BE714111A (cs) 1968-10-24
DE1670216C3 (de) 1973-12-20

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Legal Events

Date Code Title Description
ST Notification of lapse