Patents by Inventor Ying T. R. Ho

Ying T. R. Ho 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).

  • Spray dried ibuprofen compositions
    Patent number: 4904477
    Abstract: A spray dried ibuprofen composition suitable for direct compression into tablets comprising a spray dried dispersion in water of ibuprofen, pregalatinized starch, a disintegrant and a wetting agent for the ibuprofen.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: February 27, 1990
    Assignee: American Home Products Corporation
    Inventors: Ying T. R. Ho, Robert G. Blank
  • Spray dried ibuprofen
    Patent number: 4835188
    Abstract: A therapeutic taste-neutral powder form of ibuprofen obtained by spray-drying a dispersion of ibuprofen and ethyl cellulose in water having a plasticizer dissolved or suspended therein.
    Type: Grant
    Filed: December 8, 1987
    Date of Patent: May 30, 1989
    Assignee: American Home Products Corporation
    Inventors: Ying T. R. Ho, Robert G. Blank