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Jonathan Campbell

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  • Oldham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat sensitive recording material
    • Patent number 7,517,397
    • Issue date Apr 14, 2009
    • Ciba Specialty Chemicals Corp.
    • Jonathan Campbell
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat sensitive recording material
    • Publication number 20060240981
    • Publication date Oct 26, 2006
    • Jonathan Campbell
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    Production of keto acids
    • Publication number 20040242891
    • Publication date Dec 2, 2004
    • Jonathan Campbell
    • C07 - ORGANIC CHEMISTRY