Patents by Inventor Jin L. Chen

Jin L. Chen 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).

  • Dry water-dispersible compositions of microencapsulated pesticides
    Patent number: 6358520
    Abstract: Solid water-dispersible compositions containing microencapsulated pesticides are produced by spray-drying an aqueous suspension of said pesticides in the presence of a water-soluble polymer, preferably polyvinyl alcohol.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: March 19, 2002
    Assignee: Syngenta Limited
    Inventors: Ray J. Lo, Jin L. Chen, Herbert B. Scher
  • Controlled release composition of biocide in an aqueous dispersion of viscous oil
    Patent number: 5403813
    Abstract: A controlled release agricultural composition comprising an aqueous dispersion of: 1) a water insoluble matrix comprising a viscous oil (i.e., a hydrocarbon crude oil or post-refining residual oil) selected from the group consisting of bitumen, abietic acid, ester derivatives of abietic acid, carboxylic acid containing materials, and carboxylic acid ester containing materials, and 2) at least one active ingredient, which has a melting point of less than 140.degree. C. and is soluble in the viscous oil matrix, selected from the group consisting of herbicides, insecticides, fungicides, and nematicides.
    Type: Grant
    Filed: January 18, 1993
    Date of Patent: April 4, 1995
    Assignee: Daratech Proprietary Limited
    Inventors: Gottfried Lichti, Anthony G. Flynn, Alexander Serban, Darren J. Park, William R. Jackson, Janine J. Kibblewhite, Paul A. Horne, Daryl K. Wood, Jin L. Chen