Patents by Inventor Sean Francis Campbell

Sean Francis Campbell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid crystals with reduced toxicity and applications thereof
    Patent number: 7951577
    Abstract: Liquid crystal compositions that exhibit little or no toxicity with respect to cells include liquid crystals with chemical functional groups such as fluorine atoms, fluorophenyl groups, or difluorophenyl groups. Liquid crystals with little or no toxicity to cell lines may be added to cell culture media or added to components used in cell culture media. Cells may be grown in cell culture media that includes liquid crystals that exhibit little or no toxicity to cells.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: May 31, 2011
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Christopher John Murphy, Nicholas L. Abbott, Yan-Yeung Luk, Sean Francis Campbell, Li-Lin Cheng, Chang-Hyun Jang
  • Liquid crystals with reduced toxicity and applications thereof
    Patent number: 7303694
    Abstract: Liquid crystal compositions that exhibit little or no toxicity with respect to cells include liquid crystals with chemical functional groups such as fluorine atoms, fluorophenyl groups, or difluorophenyl groups. Liquid crystals with little or no toxicity to cell lines may be added to cell culture media or added to components used in cell culture media. Cells may be grown in cell culture media that includes liquid crystals that exhibit little or no toxicity to cells.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: December 4, 2007
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Christopher John Murphy, Nicholas L. Abbott, Yan-Yeung Luk, Sean Francis Campbell, Li-Lin Cheng, Chang-Hyun Jang