Patents by Inventor David J. Shantz

David J. Shantz 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).

  • Multiple layer container for storage of high purity chemicals
    Patent number: 4948641
    Abstract: This invention relates generally to multiple-layered thermoplastic structures. More specifically, it is concerned with a hollow multiple-layered container, preferably formed by co-extruding or co-injecting a first chemically resistant and non-contaminating inner layer and a second structurally reinforcing outer layer into a blow mold, together with a third layer comprising a copolymer blend and functioning as a tie-layer to bond said first layer and said second layer. The hollow multiple-layered container is used for the storage of high purity and highly reactive chemicals.
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: August 14, 1990
    Assignee: Olin Corporation
    Inventors: David J. Shantz, Thomas A. Armer, David V. Olson
  • Multiple layer container for storage of high purity chemicals
    Patent number: 4948642
    Abstract: This invention relates generally to multiple-layered thermoplastic structures. More specifically, it is concerned with a hollow multiple-layered container, preferably formed by co-extruding or co-injecting a first chemically resistant and non-contaminating inner layer and a second structurally reinforcing outer layer into a blow mold, together with a third layer comprising a copolymer blend and functioning as a tie-layer to bond said first layer and said second layer. The hollow multiple-layered container is used for the storage of high purity and highly reactive chemicals.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: August 14, 1990
    Assignee: Olin Corporation
    Inventors: David J. Shantz, Thomas A. Armer, David V. Olson