Preparation by synthesis of the nucleus

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    Process for the production of pyranthrones or flavanthrones

    • Patent number 4,182,882
    • Issue date Jan 8, 1980
    • Ciba-Geigy Corporation
    • Jurgen Markert
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    3790603

    • Patent number 3,790,603
    • Issue date Feb 5, 1974
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    3673220

    • Patent number 3,673,220
    • Issue date Jun 27, 1972
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3446810

    • Patent number 3,446,810
    • Issue date May 27, 1969
    • C07 - ORGANIC CHEMISTRY
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    2855408

    • Patent number 2,855,408
    • Issue date Oct 7, 1958
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2787622

    • Patent number 2,787,622
    • Issue date Apr 2, 1957
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2655515

    • Patent number 2,655,515
    • Issue date Oct 13, 1953
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2405702

    • Patent number 2,405,702
    • Issue date Aug 13, 1946
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    2023926

    • Patent number 2,023,926
    • Issue date Dec 10, 1935
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    1931021

    • Patent number 1,931,021
    • Issue date Oct 17, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    1906231

    • Patent number 1,906,231
    • Issue date May 2, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    1877972

    • Patent number 1,877,972
    • Issue date Sep 20, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    1581111

    • Patent number 1,581,111
    • Issue date Apr 20, 1926
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    1077115

    • Patent number 1,077,115
    • Issue date Oct 28, 1913
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    856811

    • Patent number 856,811
    • Issue date Jun 11, 1907
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents