Patents by Inventor Jack H. Propp

Jack H. Propp 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).

  • Wet wiper natural acid preservation system
    Patent number: 4772501
    Abstract: A wet wiper product of the type having a fibrous wipe, a liquid preservative composition, and an enclosure for the fibrous wipe and the liquid preservative composition. The liquid preservative composition consists essentially of: (a) a mixture of citric acid and sorbic acid as the preservative component; (b) water; and (c) optional ingredients selected from the group consisting of skin moisturizers and fragrance compounds.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: September 20, 1988
    Assignee: James River Corporation
    Inventors: Dale H. Johnson, Joseph H. Miller, Jack H. Propp, Victor Turoski
  • Wet wiper natural acid preservation system
    Patent number: 4732797
    Abstract: A wet wiper product of the type having a fibrous wipe, a liquid preservative composition, and an enclosure for the fibrous wipe and the liquid preservative composition. The liquid preservative composition consists essentially of: (a) a mixture of citric acid and sorbic acid as the preservative component; (b) water; and (c) optional ingredients selected from the group consisting of skin moisturizers and fragrance compounds.
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: March 22, 1988
    Assignee: James River Corporation
    Inventors: Dale H. Johnson, Joseph H. Miller, Jack H. Propp, Victor Turoski