Patents by Inventor Lee-Julian Lin

Lee-Julian Lin 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).

  • Patent number: 5057224
    Abstract: The present invention provides a composition for evaluating the performance of reverse phase high performance liquid chromatographic columns, especially in the aspect of separating a mixture having stereo- and positional isomers, which comprises oxygenated triterpenoids obtained from the cultured mycelia of Ganoderma lucidum (Fr.) Karat.
    Type: Grant
    Filed: April 11, 1990
    Date of Patent: October 15, 1991
    Assignee: National Science Council
    Inventors: Ming-Shi Shiao, Lee-Julian Lin