Patents by Inventor Joseph T. Rivers

Joseph T. Rivers 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: 4518650
    Abstract: A protective garment fabricated at least in part from a composite fabric which contains a layer of a highly fluorinated ion exchange polymer having sulfonic acid functional groups, all the components of said composite fabric being hydrophilic.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: May 21, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Walther G. Grot, Joseph T. Rivers, Raimund H. Silva
  • Patent number: 4469744
    Abstract: A protective garment fabricated at least in part from a fabric which contains a layer of a highly fluorinated ion exchange polymer having functionality of the sulfonic and/or carboxylic type in the form of an alkali metal, ammonium or amine salt.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: September 4, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Walther G. Grot, Joseph T. Rivers, Raimund H. Silva