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Denise Chan

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  • Dusseldorf, DE
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR THE PURIFICATION OF ANILINE
    • Publication number 20250206694
    • Publication date Jun 26, 2025
    • COVESTRO DEUTSCHLAND AG
    • Friedhelm Steffens
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    METHOD FOR THE PURIFICATION OF ANILINE
    • Publication number 20220348533
    • Publication date Nov 3, 2022
    • Covestro Intellectual Property GmbH & Co. KG
    • Friedhelm Steffens
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    METHOD FOR PRODUCING NITROBENZENE
    • Publication number 20200017434
    • Publication date Jan 16, 2020
    • COVESTRO DEUTSCHLAND AG
    • Denise Chan
    • C07 - ORGANIC CHEMISTRY