BR7100763D0 - Processo para a fabricacao de flavantronas - Google Patents

Processo para a fabricacao de flavantronas

Info

Publication number
BR7100763D0
BR7100763D0 BR763/71A BR76371A BR7100763D0 BR 7100763 D0 BR7100763 D0 BR 7100763D0 BR 763/71 A BR763/71 A BR 763/71A BR 76371 A BR76371 A BR 76371A BR 7100763 D0 BR7100763 D0 BR 7100763D0
Authority
BR
Brazil
Prior art keywords
flavantrones
manufacture
Prior art date
Application number
BR763/71A
Other languages
English (en)
Portuguese (pt)
Inventor
M Grelat
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Publication of BR7100763D0 publication Critical patent/BR7100763D0/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/02—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic ring being only condensed in peri position
    • C09B5/20—Flavanthrones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR763/71A 1970-02-11 1971-03-01 Processo para a fabricacao de flavantronas BR7100763D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH198970A CH541604A (de) 1970-02-11 1970-02-11 Verfahren zur Herstellung von Flavanthronen

Publications (1)

Publication Number Publication Date
BR7100763D0 true BR7100763D0 (pt) 1973-05-03

Family

ID=4223305

Family Applications (1)

Application Number Title Priority Date Filing Date
BR763/71A BR7100763D0 (pt) 1970-02-11 1971-03-01 Processo para a fabricacao de flavantronas

Country Status (9)

Country Link
US (1) US3720678A (OSRAM)
BE (1) BE762731A (OSRAM)
BR (1) BR7100763D0 (OSRAM)
CA (1) CA947284A (OSRAM)
CH (1) CH541604A (OSRAM)
DE (1) DE2105286A1 (OSRAM)
FR (1) FR2074360A5 (OSRAM)
GB (1) GB1278914A (OSRAM)
NL (1) NL7101763A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2748860C2 (de) * 1977-10-31 1979-10-31 Basf Ag, 6700 Ludwigshafen Verfahren zur direkten Überführung von rohem Flavanthron in eine lasierende Pigmentform
DE3663951D1 (en) * 1985-04-01 1989-07-20 Ciba Geigy Ag Process for the preparation of anthraquinone imide compounds

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191202949A (en) * 1911-07-11 1912-08-22 Fritz Ullmann Manufacture of Vat Dyestuffs of the Anthracene Series.
DE512821C (de) * 1926-05-26 1930-11-20 Scottish Dyes Ltd Verfahren zur Herstellung von 1, 1-Dianthrachinonyl-2, 2-diurethan, seinen Derivaten und gegebenenfalls Kondensationsprodukten
US1714249A (en) * 1926-05-26 1929-05-21 Scottish Dyes Ltd Process of preparing flavanthrone
CH159670A (de) * 1930-12-11 1933-01-31 Ig Farbenindustrie Ag Verfahren zur Darstellung von Flavanthren.
US2068312A (en) * 1933-05-24 1937-01-19 Du Pont Halogen-amino-flavanthrones and process of producing the same
US2685582A (en) * 1946-08-23 1954-08-03 Ici Ltd Manufacture of dyestuffs
US3660407A (en) * 1969-06-02 1972-05-02 Pfizer Purification of flavanthrone yellow pigment

Also Published As

Publication number Publication date
DE2105286A1 (de) 1971-08-19
GB1278914A (en) 1972-06-21
US3720678A (en) 1973-03-13
FR2074360A5 (OSRAM) 1971-10-01
CA947284A (en) 1974-05-14
BE762731A (fr) 1971-08-10
NL7101763A (OSRAM) 1971-08-13
CH541604A (de) 1973-09-15

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