Patents by Inventor Sammuel Yuk

Sammuel Yuk 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).

  • Publication number: 20050008701
    Abstract: The present invention relates to a controlled release pellet of metoprolol and its pharmaceutically acceptable salts that uses a water soluble or a water swellable inert starting seed or core.
    Type: Application
    Filed: July 11, 2003
    Publication date: January 13, 2005
    Inventors: Mongkol Sriwongjanva, Sammuel Yuk, Avinash Nangia