BE741724A - - Google Patents

Info

Publication number
BE741724A
BE741724A BE741724DA BE741724A BE 741724 A BE741724 A BE 741724A BE 741724D A BE741724D A BE 741724DA BE 741724 A BE741724 A BE 741724A
Authority
BE
Belgium
Application number
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
Publication of BE741724A publication Critical patent/BE741724A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/36—Connections of cable or wire to brush

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE741724D 1968-11-16 1969-11-14 BE741724A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6816385.A NL161750C (nl) 1968-11-16 1968-11-16 Werkwijze voor het afscheiden van melamine uit een gasvormig reactiemengsel van melamine, ammoniak en kooldioxyde.

Publications (1)

Publication Number Publication Date
BE741724A true BE741724A (fr) 1970-05-14

Family

ID=19805172

Family Applications (1)

Application Number Title Priority Date Filing Date
BE741724D BE741724A (fr) 1968-11-16 1969-11-14

Country Status (13)

Country Link
US (1) US3598818A (fr)
AT (1) AT292007B (fr)
BE (1) BE741724A (fr)
BR (1) BR6914208D0 (fr)
CS (1) CS166720B2 (fr)
DE (1) DE1957387C3 (fr)
ES (1) ES373584A1 (fr)
FR (1) FR2023466A1 (fr)
GB (1) GB1225597A (fr)
NL (1) NL161750C (fr)
NO (1) NO126324B (fr)
PL (1) PL80554B1 (fr)
SE (1) SE364278B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8201479A (nl) * 1982-04-07 1983-11-01 Stamicarbon Werkwijze voor het bereiden van melamine.
NL8304381A (nl) * 1983-12-21 1985-07-16 Stamicarbon Werkwijze en inrichting voor het bereiden van melamine.
IT1261841B (it) * 1993-08-23 1996-06-03 Conser Spa Procedimento per la produzione di melammina ad alta purezza.
US5384404A (en) * 1993-11-05 1995-01-24 Lee; Jing M. Process for manufacturing melamine from urea
IT1315255B1 (it) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing Procedimento di purificazione della melammina.
NL1015929C2 (nl) * 2000-08-14 2002-02-18 Dsm Nv Werkwijze voor de bereiding van melamine uit ureum.
ITMI20021026A1 (it) * 2002-05-14 2003-11-14 Eurotecnica Dev & Licensing S Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione

Also Published As

Publication number Publication date
AT292007B (de) 1971-08-10
CS166720B2 (fr) 1976-03-29
NL161750C (nl) 1980-03-17
NL161750B (nl) 1979-10-15
PL80554B1 (fr) 1975-08-30
US3598818A (en) 1971-08-10
NO126324B (fr) 1973-01-22
DE1957387C3 (de) 1978-09-21
DE1957387B2 (de) 1978-01-12
DE1957387A1 (de) 1970-06-04
SE364278B (fr) 1974-02-18
BR6914208D0 (pt) 1973-05-10
GB1225597A (fr) 1971-03-17
NL6816385A (fr) 1970-05-20
ES373584A1 (es) 1972-02-01
FR2023466A1 (fr) 1970-08-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: STAMICARBON N.V.

Effective date: 19871130