Patents by Inventor Pui-Ho Yuen

Pui-Ho Yuen 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).

  • Stable solutions containing thimerosal
    Patent number: 4579960
    Abstract: Buffered aqueous solution of thimerosal wherein the buffer is citric acid and sodium citrate having a pH between 3.5 and 7.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: April 1, 1986
    Assignee: Schering Corporation
    Inventors: Pui-Ho Yuen, Shreeram Agharkar
  • Interferon kit
    Patent number: 4469228
    Abstract: Disclosed is a kit for preparing a lyophilized alpha interferon gel formulation suitable for topical administration.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: September 4, 1984
    Assignee: Schering Corporation
    Inventors: Michael A. Zupon, Joel A. Sequeira, Alan S. Kirschner, Pui-Ho Yuen