Patents by Inventor Tsung K. Liao

Tsung K. Liao 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).

  • Composite reverse osmosis membrane comprising crosslinked poly(amine-epihalohydrin adduct)
    Patent number: 4659475
    Abstract: A composite reverse osmosis membrane which can be used to separate a solvent, generally water, from solutes dissolved therein, can comprise a flexible microporous support with a thin film membrane comprising the condensation polymerization product of a polyfunctional crosslinking compound and a polymerized amine-epihalohydrin adduct.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: April 21, 1987
    Assignee: Midwest Research Institute
    Inventors: Tsung K. Liao, Cecil B. Chappelow