Patents by Inventor Joseph Tak Wong

Joseph Tak Wong 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).

  • Method for preparing submicron particle suspensions
    Publication number: 20050170002
    Abstract: The present invention provides a method for preparing a suspension of a pharmaceutically-active compound, the solubility of which is greater in a water-miscible first organic solvent than in a second solvent which is aqueous. The process includes the steps of: (i) dissolving a first quantity of the pharmaceutically-active compound in the water-miscible first organic solvent to form a first solution; (ii) mixing the first solution with the second solvent to precipitate the pharmaceutically-active compound; and (iii) seeding the first solution or the second solvent or the pre-suspension.
    Type: Application
    Filed: February 7, 2005
    Publication date: August 4, 2005
    Inventors: James Kipp, Joseph Tak Wong, Mark Doty, Jane Werling, Christine Rebbeck, Sean Brynjelsen