Patents by Inventor Tony Wai-Chiu So

Tony Wai-Chiu So 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).

  • Pharmaceutical composition
    Patent number: 6946120
    Abstract: A pharmaceutical composition for topical administration, including, as the pharmaceutically active component, at least 5% by weight, based on the total weight of the composition of a piperidinopyrimidine derivative or a pharmaceutically acceptable salt thereof; an acid in an amount to completely solubilise the piperidinopyrimidine derivative or a pharmaceutically acceptable salt thereof; a solvent composition including at least two of water, a lower alcohol and a co-solvent selected from one or more of the group consisting of aromatic and polyhydric alcohols; wherein when the co-solvent includes propylene glycol, it is present in an amount of less than approximately 10% by weight.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: September 20, 2005
    Assignee: Connetics Australia Pty. Ltd.
    Inventors: Tony Wai-Chiu So, Peter Paul Deo, Russell John Tait
  • Pharmaceutical composition
    Publication number: 20050037060
    Abstract: A pharmaceutical composition for topical administration, including, as the pharmaceutically active component, at least 5% by weight, based on the total weight of the composition of a piperidinopyrimidine derivative or a pharmaceutically acceptable salt thereof; an acid in an amount to completely solubilise the piperidinopyrimidine derivative or a pharmaceutically acceptable salt thereof; a solvent composition including at least two of water, a lower alcohol and a co-solvent selected from one or more of the group consisting of aromatic and polyhydric alcohols; wherein when the co-solvent includes propylene glycol, it is present in an amount of less than approximately 10% by weight.
    Type: Application
    Filed: September 10, 2004
    Publication date: February 17, 2005
    Applicant: Connetics Corporation
    Inventors: Tony Wai-Chiu So, Peter Deo, Russell Tait
  • Pharmaceutical composition
    Publication number: 20020172649
    Abstract: A pharmaceutical composition for topical administration, including, as the pharmaceutically active component, at least 5% by weight, based on the total weight of the composition of a piperidinopyrimidine derivative or a pharmaceutically acceptable salt thereof; an acid in an amount to completely solubilise the piperidinopyrimidine derivative or a pharmaceutically acceptable salt thereof; a solvent composition including at least two of water, a lower alcohol and a co-solvent selected from one or more of the group consisting of aromatic and polyhydric alcohols; wherein when the co-solvent includes propylene glycol, it is present in an amount of less than approximately 10% by weight.
    Type: Application
    Filed: April 16, 2002
    Publication date: November 21, 2002
    Inventors: Tony Wai-Chiu So, Peter P. Deo, Russell J. Tait