CH317446A - Process for the preparation of a mixture containing cyanamide and its polymers - Google Patents

Process for the preparation of a mixture containing cyanamide and its polymers

Info

Publication number
CH317446A
CH317446A CH317446DA CH317446A CH 317446 A CH317446 A CH 317446A CH 317446D A CH317446D A CH 317446DA CH 317446 A CH317446 A CH 317446A
Authority
CH
Switzerland
Prior art keywords
polymers
preparation
mixture containing
containing cyanamide
cyanamide
Prior art date
Application number
Other languages
German (de)
Inventor
S Mackay Johnstone
Original Assignee
American Cyanamid Co
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 by American Cyanamid Co filed Critical American Cyanamid Co
Priority claimed from US381128A external-priority patent/US2760961A/en
Publication of CH317446A publication Critical patent/CH317446A/en

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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/16—Cyanamide; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
CH317446D 1952-01-17 1953-01-16 Process for the preparation of a mixture containing cyanamide and its polymers CH317446A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US317446XA 1952-01-17 1952-01-17
US381128A US2760961A (en) 1953-09-18 1953-09-18 Preparation of melamine

Publications (1)

Publication Number Publication Date
CH317446A true CH317446A (en) 1956-11-30

Family

ID=31980755

Family Applications (1)

Application Number Title Priority Date Filing Date
CH317446D CH317446A (en) 1952-01-17 1953-01-16 Process for the preparation of a mixture containing cyanamide and its polymers

Country Status (6)

Country Link
BE (2) BE516995A (en)
CH (1) CH317446A (en)
DE (2) DE942991C (en)
FR (1) FR1112418A (en)
GB (2) GB718934A (en)
NL (1) NL87214C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093644A (en) * 1963-06-11 Preparation of melamine
US3152128A (en) * 1964-10-06 Preparation of melamine
US3009914A (en) * 1961-11-21 Melamine process
US3095416A (en) * 1963-06-25 Urea to melamine process
US3179664A (en) * 1965-04-20 Processes for preparing melamine
US3210352A (en) * 1965-10-05 Preparation of melamine
DE1216316B (en) * 1960-07-14 1966-05-12 Stamicarbon Improved process for the continuous production of melamine
US3054796A (en) * 1960-07-18 1962-09-18 Grace W R & Co Melamine process
DE1138785B (en) * 1960-09-27 1962-10-31 Suddeutsche Kalkstickstoff Werke Aktiengesellschaft, Trostberg (Obb ) Process for the production of melamine.
DE1215722B (en) * 1961-02-09 1966-05-05 Stamicarbon Process for the continuous production of melamine
DE1294386B (en) * 1961-09-29 1969-05-08 Lentia Gmbh Chem Und Pharm Erz Process for the production of melamine
DE1209570B (en) * 1964-03-28 1966-01-27 Basf Ag Process for the production of melamine
NL8400717A (en) * 1984-03-06 1985-10-01 Stamicarbon PROCESS FOR PREPARING CYANAMIDE.
FR2852011B1 (en) * 2003-03-07 2006-07-07 PROCESS FOR THE PRODUCTION OF MELAMINE FROM CYANURIC ACID AND APPLICATION FOR THE PURIFICATION OF MELAMINE CONTAINING CYANURIC ACID AS IMPURITY
CN107840811A (en) * 2017-12-15 2018-03-27 黄河三角洲京博化工研究院有限公司 A kind of preparation method of dicyandiamide
CN115944942B (en) * 2022-12-06 2024-04-12 四川金象赛瑞化工股份有限公司 Preparation method of cyanamide substance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566224A (en) * 1951-08-28 Production of melamine
US2566228A (en) * 1951-08-28 Production of melamine
US2649446A (en) * 1953-08-18 Peocess for producing melamine
US2550659A (en) * 1951-04-24 Process for producing melamine
US2615018A (en) * 1952-10-21 Preparation of melamine
GB639962A (en) * 1946-03-27 1950-07-12 Du Pont Process for the production of melamine

Also Published As

Publication number Publication date
GB767344A (en) 1957-01-30
GB718934A (en) 1954-11-24
DE1028126B (en) 1958-04-17
BE516995A (en) 1954-11-26
DE942991C (en) 1956-05-09
NL87214C (en) 1958-01-15
BE531929A (en) 1958-01-03
FR1112418A (en) 1956-03-14

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