Patents by Inventor Raymond J. Dirk

Raymond J. Dirk 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).

  • Process for producing a liquid impermeable and flushable web
    Patent number: 5578344
    Abstract: A process for impregnating a resin into a substrate to form a web. The resin is impregnated into one side of the web, so that the other side remains exposed. This arrangement allows the exposed side of the web to be dispersible in water, while the impregnated side is water resistant. The impregnation may occur in zones and comprise one material or two or more materials. The resulting web is useful as a backsheet in disposable absorbent articles wherein it is desired to have a barrier that is impermeable to body fluids, yet flushable for disposal.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: November 26, 1996
    Assignee: The Procter & Gable Company
    Inventors: Nichholas A. Ahr, Raymond J. Dirk
  • Absorbent article having flaps and zones of differential extensibility
    Patent number: 5389094
    Abstract: An absorbent article, such as a sanitary napkin, having flaps and zones of differential extensibility for relieving the stresses that develop in the flaps when the flaps are folded down along the edges of crotch of the wearer's undergarments is provided.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: February 14, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Bruce W. Lavash, Thomas Henrich, Carl L. Bergman, Raymond J. Dirk, Thomas W. Osborn, III, Jeffrey V. Bamber, Kaoru Niihara
  • Method of making absorbent article having flaps and zones of differential extensibility
    Patent number: 5354400
    Abstract: A method is disclosed for making an absorbent article, such as a sanitary napkin, having flaps and zones of differential extensibility for relieving the stresses that develop in the flaps when the flaps are folded down along the edges of crotch of the wearer's undergarments.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: October 11, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Bruce W. Lavash, Thomas Henrich, Carl L. Bergman, Raymond J. Dirk, Thomas W. Osborn, III, Jeffrey V. Bamber, Kaoru Niihara