Patents by Inventor Ray Jia Lo

Ray Jia Lo 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: 5639710
    Abstract: Microspheres containing an agriculturally active material are produced by mixing a liquid phase containing the agriculturally active material and optionally an emulsifying agent and an aqueous phase containing polyvinyl alcohol and adding a material selected from clays, silicas, starch, and starch derivatives, followed by spray drying.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: June 17, 1997
    Assignee: Zeneca Limited
    Inventors: Ray Jia Lo, Ernesto Noe Villafranca