Patents by Inventor Kirste J. Mellish

Kirste J. Mellish 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).

  • Biologically active methylene blue derivatives
    Patent number: 7371744
    Abstract: A phenothiazinium compound of Formula (I): wherein: A and B each independently is in which R? and R? each independently is a linear, branched or cyclic hydrocarbon group, or R? and R? together with the N atom to which they are attached form an optionally substituted 5-, 6- or 7-membered ring; and where XP? is a counteranion and P is 1, 2 or 3; except for the compounds in which A and B are both either —N(CH3)2 or —N(CH2CH3)2 for use in a treatment that requires removal, deactivation or killing of unwanted tissues or cells.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: May 13, 2008
    Assignee: Photopharmica Limited
    Inventors: Stanley B. Brown, Cassandra C. O'Grady, John Griffiths, Kirste J. Mellish, David I. Vernon