Patents by Inventor Tsuong R. Shieh

Tsuong R. Shieh 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).

  • Bacillus-containing pesticide granules
    Patent number: 5283060
    Abstract: Pesticide granules especially for delivering a biological pesticide in aquatic applications have a wax core and the pesticide secured to the core in a water dispersible or water soluble matrix. More specifically the pesticide composition is free flowing and water floatable with the biological pesticide being of the genus Bacillus and the coating matrix being proteinaceous.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: February 1, 1994
    Inventor: Tsuong R. Shieh
  • Virus insecticide compositions
    Patent number: 4716039
    Abstract: Virus insecticide compositions having good stability and wettability are free-flowing particles prepared by spray-drying techniques and having the virus insecticide encapsulated in a matrix comprising an intimate mixture of a protein and clay.
    Type: Grant
    Filed: May 16, 1985
    Date of Patent: December 29, 1987
    Assignee: Sandoz Pharm. Corp.
    Inventors: Martin H. Rogoff, Tsuong R. Shieh
  • Liquid compositions of Bacillus thuringiensis
    Patent number: 4000258
    Abstract: Stable suspensions of Bacillus thuringiensis insecticide in a liquid selected from the group consisting of (a) alcohols having at least about 7 carbon atoms; (b) polyethylene glycols having a molecular weight of at least about 300; (c) polypropylene glycols having a molecular weight of at least about 180; (d) polyethylenepropylene glycols having a molecular weight of at least about 250; (e) ethoxylated alcohols having a molecular weight greater than about 120; and (f) propoxylated alcohols having a molecular weight greater than about 120.
    Type: Grant
    Filed: January 19, 1972
    Date of Patent: December 28, 1976
    Assignee: Sandoz, Inc.
    Inventors: Tsuong R. Shieh, Martin H. Rogoff