Patents by Inventor Lian X. Tang

Lian X. Tang 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: 4919767
    Abstract: A sensor of the enzyme-electrode type comprising an electrode and a membrane permeable to liquids and solutes which is positioned between the electrode and a specimen containing the analyte to be determined, is characterized by the fact that a layer of a porous material, positioned in the membrane between the enzyme-containing layer and the specimen, has been treated to at least partially fill the pores with a liquid of limited volatility which is not significantly soluble in water and is to some degree a solvent for the analyte.
    Type: Grant
    Filed: August 4, 1988
    Date of Patent: April 24, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Pankaj M. Vadgama, Lian X. Tang