Patents by Inventor Stella Yi Zhang

Stella Yi Zhang 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).

  • Ultrathin fluid management article
    Publication number: 20020165510
    Abstract: The present invention relates to a fluid management article to be worn adjacent a user's perineum for collecting and/or absorbing low volumes of bodily fluids encountered both menstrually and intermenstrually. The article is particularly useful for everyday use, that is, for managing daily perspiration, vaginal discharge, post intercourse drainage, and other bodily fluids due to various conditions, such as infection.
    Type: Application
    Filed: June 24, 2002
    Publication date: November 7, 2002
    Inventors: Maria Luisa Berba, Robert J. Graeme, Andrew J. Hagerty, Barbara A. Ludwig, Stella Yi Zhang
  • Ultrathin fluid management article
    Patent number: 6440111
    Abstract: The present invention relates to a fluid management article to be worn adjacent a user's perineum for collecting and/or absorbing low volumes of bodily fluids encountered both menstrually and intermenstrually. The article is particularly useful for everyday use, that is, for managing daily perspiration, vaginal discharge, post intercourse drainage, and other bodily fluids due to various conditions, such as infection.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: August 27, 2002
    Assignee: McNeil-PPC, Inc.
    Inventors: Maria Luisa Berba, Robert J. Graeme, Andrew J. Hagerty, Barbara A. Ludwig, Stella Yi Zhang