BE693668A - - Google Patents

Info

Publication number
BE693668A
BE693668A BE693668DA BE693668A BE 693668 A BE693668 A BE 693668A BE 693668D A BE693668D A BE 693668DA BE 693668 A BE693668 A BE 693668A
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 BE693668A publication Critical patent/BE693668A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE693668D 1966-02-10 1967-02-03 BE693668A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US526491A US3386999A (en) 1966-02-10 1966-02-10 Synthesis of melamine

Publications (1)

Publication Number Publication Date
BE693668A true BE693668A (fr) 1967-08-03

Family

ID=24097577

Family Applications (1)

Application Number Title Priority Date Filing Date
BE693668D BE693668A (fr) 1966-02-10 1967-02-03

Country Status (5)

Country Link
US (1) US3386999A (fr)
BE (1) BE693668A (fr)
DE (1) DE1670422A1 (fr)
GB (1) GB1149301A (fr)
NL (1) NL6701353A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670126A1 (de) * 1966-08-09 1970-10-29 Basf Ag Verfahren zur Kuehlung der bei der Melaminsynthese erhaltenen Abgase
DE1695567A1 (de) * 1966-08-16 1971-05-06 Nissan Chemical Ind Ltd Verfahren zur Herstellung von hochwertigem Melamin
US4138560A (en) * 1975-06-10 1979-02-06 Basf Aktiengesellschaft Process for cooling melamine synthesis waste gases
DE3041324A1 (de) * 1980-11-03 1982-06-16 Basf Ag, 6700 Ludwigshafen Verfahren zum gleichzeitigen abbau von spurenbestandteilen in den reaktionsabgasen der melaminsynthese
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
NL9002606A (nl) * 1990-11-29 1992-06-16 Stamicarbon Proces voor de bereiding van melamine uit ureum.
AT397214B (de) * 1992-03-30 1994-02-25 Chemie Linz Gmbh Vorrichtung zur abscheidung von melamin
DE4211763A1 (de) * 1992-04-08 1993-10-14 Chemie Linz Deutschland Vorrichtung zur Abscheidung von Melamin
US6303781B1 (en) 1998-05-12 2001-10-16 Dsm N.V. Method for preparing melamine
GB2337259B (en) * 1998-05-12 2000-03-29 Dsm Nv Method for preparing melamine
TR200101341T2 (tr) * 1998-11-13 2001-11-21 Agrolinz Melamin Gmbh Saf melamin üretimine yönelik yöntem
RU2304456C2 (ru) * 2001-11-16 2007-08-20 АМИ-Агролинц Меламин Интернейшнл ГмбХ Способ очистки отходящих газов из установки по производству меламина
DE102005023042B4 (de) * 2005-05-06 2007-10-31 Lurgi Ag Verfahren zur Herstellung von Melamin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566225A (en) * 1951-08-28 Process for preparing substituted
US3310558A (en) * 1967-03-21 Melamine recovery
NO73486A (fr) * 1943-07-17

Also Published As

Publication number Publication date
GB1149301A (en) 1969-04-23
US3386999A (en) 1968-06-04
NL6701353A (fr) 1967-08-11
DE1670422A1 (de) 1971-02-11

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