Patents by Inventor Alfred Werner Widmer

Alfred Werner Widmer 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).

  • Patent number: 7947854
    Abstract: The present invention relates to bis-cationic compounds comprising quaternary ammonium groups and/or quaternary phosphonium groups. The invention also relates to the use of bis-cationic compounds as Phospholipase B inhibitors and the use of bis cationic compounds for the treatment or prevention of microbial infection.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: May 24, 2011
    Assignee: The University of Sydney
    Inventors: Alfred Werner Widmer, Katrina Anne Jolliffe, Lesley Catherine Wright, Tania Christine Sorrell
  • Publication number: 20100016367
    Abstract: A method of treating, inhibiting, or preventing an infection in a subject is described. The method comprises administering to the subject an effective amount of at least one bis-pyridinium compound. The bis-pyridinium compound comprises two aromatic ring structures. Each of the ring structures comprises a pyridine ring, and the ring structures are linked by a linker group of at least 8 atoms in length, said linker group being attached to the nitrogen atoms of the pyridine rings. At least one substituent on at least one of the ring structures is an alkyl group having at least 2 carbon atoms, and no substituent on either of the ring structures is —OH, —SH or an amine group.
    Type: Application
    Filed: May 4, 2007
    Publication date: January 21, 2010
    Applicant: The University of Sydney
    Inventors: Alfred Werner Widmer, Katrina Anne Jolliffe
  • Publication number: 20080275003
    Abstract: The present invention relates to bis-cationic compounds comprising quaternary ammonium groups and/or quaternary phosphonium groups. The invention also relates to the use of bis-cationic compounds as Phospholipase B inhibitors and the use of bis cationic compounds for the treatment or prevention of microbial infection.
    Type: Application
    Filed: November 12, 2004
    Publication date: November 6, 2008
    Applicant: THE UNIVERSITY OF SYDNEY
    Inventors: Alfred Werner Widmer, Katrina Anne Jolliffe, Lesley Catherine Wright, Tania Christine Sorrell