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Sandra Weiss

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  • Lorrach-Brombach, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Yellow anionic disazo dyes
    • Patent number 8,101,731
    • Issue date Jan 24, 2012
    • Ciba Specialty Chemicals Corporation
    • Michael Lennartz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Yellow anionic disazo dyes
    • Patent number 7,723,494
    • Issue date May 25, 2010
    • Ciba Specialty Chemicals Corporation
    • Michael Lennartz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Anionic monoazo dyes
    • Patent number 7,351,808
    • Issue date Apr 1, 2008
    • Ciba Specialty Chemicals Corporation
    • Michael Lennartz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Yellow anionic disazo dyes
    • Patent number 7,341,607
    • Issue date Mar 11, 2008
    • Ciba Specialty Chemicals Corp.
    • Michael Lennartz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Dyes incorporating annionic and cationic groups
    • Patent number 7,066,969
    • Issue date Jun 27, 2006
    • Ciba Specialty Chemicals Corporation
    • Michael Lennartz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    YELLO ANIONIC DISAZO DYES
    • Publication number 20100199443
    • Publication date Aug 12, 2010
    • Michael Lennartz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Yellow anionic disazo dyes
    • Publication number 20080114158
    • Publication date May 15, 2008
    • Michael Lennartz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Anionic monoazo dyes
    • Publication number 20050256305
    • Publication date Nov 17, 2005
    • Michael Lennartz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Yellow anionic disazo dyes
    • Publication number 20050172420
    • Publication date Aug 11, 2005
    • Michael Lennartz
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Dyes incorporating annionic and cationic groups
    • Publication number 20040205912
    • Publication date Oct 21, 2004
    • Michaeal Lennartz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...