FR913384A - Perfectionnements à la préparation de mélamine - Google Patents

Perfectionnements à la préparation de mélamine

Info

Publication number
FR913384A
FR913384A FR913384DA FR913384A FR 913384 A FR913384 A FR 913384A FR 913384D A FR913384D A FR 913384DA FR 913384 A FR913384 A FR 913384A
Authority
FR
France
Prior art keywords
melamine
preparation
Prior art date
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
English (en)
Inventor
Joseph Hayes Paden
Johnstone Sinnott Mackay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
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
Application granted granted Critical
Publication of FR913384A publication Critical patent/FR913384A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic 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
    • C07D251/26Heterocyclic 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
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation 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)
FR913384D 1943-07-17 1945-08-14 Perfectionnements à la préparation de mélamine Expired FR913384A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49521643 US2566231A (en) 1943-07-17 1943-07-17 Preparation of melamine
US166446XA 1947-11-06 1947-11-06

Publications (1)

Publication Number Publication Date
FR913384A true FR913384A (fr) 1946-09-05

Family

ID=91465551

Family Applications (1)

Application Number Title Priority Date Filing Date
FR913384D Expired FR913384A (fr) 1943-07-17 1945-08-14 Perfectionnements à la préparation de mélamine

Country Status (12)

Country Link
US (1) US2566231A (fr)
AT (2) AT164797B (fr)
BE (1) BE460282A (fr)
CH (1) CH266367A (fr)
DE (1) DE883149C (fr)
FR (1) FR913384A (fr)
GB (1) GB598175A (fr)
IT (1) IT417563A (fr)
LU (1) LU28860A1 (fr)
NL (1) NL61113C (fr)
NO (1) NO73486A (fr)
SE (1) SE122183C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975688C (de) * 1953-03-29 1962-05-10 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von Melamin aus Harnstoff

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116294A (en) * 1963-12-31 Process- for preparing high-purity melamine from urea
US2845424A (en) * 1958-07-29 Preparation of melamine
US3179664A (en) * 1965-04-20 Processes for preparing melamine
US3152128A (en) * 1964-10-06 Preparation of melamine
US2557986A (en) * 1951-06-26 Preparation of melamine
US2566228A (en) * 1951-08-28 Production of melamine
US3111519A (en) * 1963-11-19 Process fos the production of
US2999093A (en) * 1961-09-05 Preparation of melamese from
US2684964A (en) * 1954-07-27 Production of melamine
US2658892A (en) * 1953-11-10 Preparation of melamine fkom
US2769005A (en) * 1956-10-30 Process for the preparation of melamine
US2918467A (en) * 1959-12-22 Production of melamine
US2644820A (en) * 1953-07-07 Inlet for
US2527316A (en) * 1950-10-24 Production of cyanuric acid
US2819266A (en) * 1958-01-07 Manufacture of melamine
US3093641A (en) * 1963-06-11 formaini
US2760961A (en) * 1953-09-18 1956-08-28 American Cyanamid Co Preparation of melamine
US2759974A (en) * 1953-09-11 1956-08-21 American Cyanamid Co Preparation of guanidines from cyanates of alkali metals and sulfamates
US2815269A (en) * 1955-06-22 1957-12-03 Monsanto Chemicals Gas releasing device and method
NL252130A (fr) * 1959-06-01
DE1169452B (de) * 1959-06-01 1964-05-06 Azote Office Nat Ind Verfahren zur Herstellung von Melamin
DE1098935B (de) * 1959-07-15 1961-02-09 Colgate Palmolive Co Verfahren zur Herstellung von reinem Biuret
US3386999A (en) * 1966-02-10 1968-06-04 Chemical Construction Corp Synthesis of melamine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2191361A (en) * 1940-02-20 Manufacture of amino-triazine
US2301629A (en) * 1942-11-10 Manufacture of melamine
US1902889A (en) * 1933-03-28 Industbie axtiengesellschaft
US2164705A (en) * 1939-07-04 Manufacture of melamine
DE527237C (de) * 1928-01-01 1931-06-23 Fritz Sander Dr Ing Verfahren zur Darstellung von Guanidin bzw. Guanidinsalzen, insbesondere von Guanidinphoshpat
GB337394A (en) * 1929-07-29 1930-10-29 Ig Farbenindustrie Ag Improvements in the production of urea
US2101807A (en) * 1935-05-13 1937-12-07 Dow Chemical Co Fertilizer
US2142965A (en) * 1936-06-04 1939-01-03 Dow Chemical Co Nitrogenous fertilizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975688C (de) * 1953-03-29 1962-05-10 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von Melamin aus Harnstoff

Also Published As

Publication number Publication date
NO73486A (fr)
BE460282A (fr) 1945-10-31
CH266367A (fr) 1950-01-31
DE883149C (de) 1953-07-16
LU28860A1 (fr) 1948-04-28
SE122183C1 (fr) 1948-07-15
US2566231A (en) 1951-08-28
NL61113C (nl) 1948-05-15
IT417563A (fr)
AT164797B (de) 1949-12-10
GB598175A (en) 1948-02-12
AT166446B (de) 1950-07-25

Similar Documents

Publication Publication Date Title
FR913384A (fr) Perfectionnements à la préparation de mélamine
FR902142A (fr) Détecteur
FR916654A (fr) Perfectionnement à la préparation des 7-déshydrostérols
ES173031A1 (es) Mejoras introducidas en la preparación de compuestos antidetonantes
FR897571A (fr) Perfectionnements apportés à la construction des gazogènes
ES163618A1 (es) Perfeccionamientos en la construcción de cremonas
ES162720A1 (es) Perfeccionamientos en la construcción de poratlámparas
ES162719A1 (es) Perfeccionamientos en la construcción de portalámparas
ES161629A1 (es) Mejoras introducidas en la fabricación de dentífricos
ES164237A1 (es) Perfeccionamientos introducidos en la fabricación de hidroextractores
ES160645A1 (es) Perfeccionamientos en la preparación de sulfazoles con dos hetercátomos
ES163304A1 (es) Perfeccionamientos en la síntesis de vitamina b
ES162212A1 (es) Mejoras en los mecanismos de cieere provistos de bombín
ES160545A1 (es) Perfeccionamientos introducidos en los mecanismos de los armoniums
ES163746A1 (es) Mejoras introducidas en la fabricación de sillas extensibles
FR896198A (fr) Perfectionnements à la fabrication des engins glissants
ES160727A3 (es) Mejoras en la fabricación de muebles de asiento
ES162857A1 (es) Perfeccionamientos en la preparación de mezclas exotérmicas
FR914461A (fr) Perfectionnements à la fabrication des chloroacétonitriles
FR913908A (fr) Perfectionnements à la préparation des sels de guanidine
ES162260A1 (es) Perfeccionamientos en la construcción de radiadores
FI20804A (fi) Gångjärn med borttagbara friktionslameller
FI22199A (fi) Skidbindning med bakstropp
FI23521A (fi) Radiomottagare med bandutspärrning
ES161733A1 (es) Perfeccionamientos en la construcción de bicicletas