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the quinoid structure being part of a condensed ring system containing four or more rings

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  • CPC
  • C07C50/22
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CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C50/00Quinones

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C07C50/22the quinoid structure being part of a condensed ring system containing four or more rings
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing pentacene derivatives
    • Patent number 6,974,877
    • Issue date Dec 13, 2005
    • 3M Innovative Properties Company
    • Dennis E. Vogel
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Triptycene analogs
    • Patent number 6,828,450
    • Issue date Dec 7, 2004
    • Kansas State University Research Foundation
    • Duy Hua
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cyclic compounds
    • Patent number 4,518,784
    • Issue date May 21, 1985
    • Hoffmann-La Roche Inc.
    • Michael J. Broadhurst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cyclic compounds
    • Patent number 4,515,969
    • Issue date May 7, 1985
    • Hoffmann-La Roche Inc.
    • Michael J. Broadhurst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process to produce anthracycline compounds
    • Patent number 4,409,391
    • Issue date Oct 11, 1983
    • Hoffmann-La Roche Inc.
    • Michael J. Broadhurst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process to produce hexahydronaphthacene derivatives
    • Patent number 4,393,221
    • Issue date Jul 12, 1983
    • Hoffmann-La Roche Inc.
    • Michael J. Broadhurst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cyclic compounds
    • Patent number 4,316,985
    • Issue date Feb 23, 1982
    • Hoffmann-La Roche Inc.
    • Michael J. Broadhurst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3390192
    • Patent number 3,390,192
    • Issue date Jun 25, 1968
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1872756
    • Patent number 1,872,756
    • Issue date Aug 23, 1932
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents