Patents by Inventor Jenny Upton

Jenny Upton 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-swellable composite sheet of microfibers of PTFE and hydrophilic absorptive particles
    Patent number: 4460642
    Abstract: A composite sheet material is highly absorbent toward aqueous fluids including blood and exudate and comprises a polytetrafluoroethylene fibril matrix and hydrophilic absorptive particles enmeshed in the matrix. The composite sheet material is useful as a wound dressing, as a drying material for non-aqueous solvents, and as a chromatographic material.
    Type: Grant
    Filed: November 23, 1982
    Date of Patent: July 17, 1984
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Louis A. Errede, James D. Stoesz, Jenny Upton