Patents by Inventor Sui Yen Eddie Hou

Sui Yen Eddie Hou 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).

  • Concentrated aqueous azalide formulations
    Patent number: 9044508
    Abstract: Provided is concentrated aqueous azithromycin formulation from about from about 2%-20%, and a method of making a concentrated aqueous azithromycin formulation which includes preparing and sterilizing a first solution comprising a strong base to form a sterilized solution, dissolving the azithromycin in an aqueous solution comprising an acid consisting essentially of a strong acid, and adding the aqueous solution comprising the strong acid to the sterilized solution comprising the strong base. The strong acid has a pKa less than about ?1.74 and the method is carried out without addition or use of a weak acid.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 2, 2015
    Assignee: INSITE VISION CORPORATION
    Inventors: Lyle M. Bowman, Sui Yen Eddie Hou, Tang Nguyen
  • CONCENTRATED AQUEOUS AZALIDE FORMULATIONS
    Publication number: 20140274924
    Abstract: Provided is concentrated aqueous azithromycin formulation from about from about 2%-20%, and a method of making a concentrated aqueous azithromycin formulation which includes preparing and sterilizing a first solution comprising a strong base to form a sterilized solution, dissolving the azithromycin in an aqueous solution comprising an acid consisting essentially of a strong acid, and adding the aqueous solution comprising the strong acid to the sterilized solution comprising the strong base. The strong acid has a pKa less than about ?1.74 and the method is carried out without addition or use of a weak acid.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: INSITE VISION INCORPORATED
    Inventors: Lyle M. Bowman, Sui Yen Eddie Hou, Tang Nguyen