Patents by Inventor David A. Jackisch

David A. Jackisch 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).

  • Water-soluble polymer packaging for delivery of incompatible crop protection chemicals
    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
  • Tablet vial with desiccant in bottom
    Patent number: 5114003
    Abstract: A vial for housing hygroscopic materials such as tableted chemicals contains a desiccant canister secured to the inside at its base. The desiccant canister is punctured immediataly prior to use. The vial containing hygroscopic materials is sealed with a lid that resists the entrance of water vapor into the vial.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: May 19, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: David A. Jackisch, Ralph F. May, Kevin D. Berl