Patents by Inventor David A. Styles

David A. Styles 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: 5558228
    Abstract: Packaging of water-soluble polymer film is provided wherein crop protection chemical is dispersed within the thickness of the film, and the resultant film is either formed into a container to hold an incompatible crop protection chemical or laminated to another film within which is dispersed an incompatible crop protection chemical.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: September 24, 1996
    Assignee: E.I. Du Pont de Nemours and Company
    Inventors: David A. Jackisch, David A. Styles