Patents by Inventor Mark J. Steinhardt

Mark J. Steinhardt 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).

  • Convenience kit for dispensing different personal hygiene components
    Patent number: 5242057
    Abstract: A personal care convenience kit is disclosed which dispenses different personal hygiene components in a sequential, one at a time fashion through a single dispensing opening. The convenience kit includes a compliant package having a first dispensing opening, and at least two different personal hygiene components ordered with respect to the first dispensing opening. The compliant package can include an auxiliary dispensing opening for dispensing at least one of the different components out of sequence.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: September 7, 1993
    Assignee: The Procter & Gamble Company
    Inventors: Charles D. Cook, Mark J. Steinhardt
  • Bicomponent material
    Patent number: 5019062
    Abstract: A bicomponent material which allows liquids to pass in a first direction, but substantially prevents the liquids from passing in the opposite direction, is disclosed. The material also exposes any gases attempting to pass in the direction opposite to that of the liquid transmission to an odor control lamina. The material is especially suitable for use with articles which deal with bodily fluids and the gases generated therefrom.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: May 28, 1991
    Assignee: The Procter & Gamble Company
    Inventors: Leslie D. Ryan, Mark J. Steinhardt, Milton D. Spahni, James C. Baird
  • Disposable diaper having density and basis weight profiled absorbent core
    Patent number: 4685915
    Abstract: A disposable diaper wherein a central portion of its absorbent core has a higher density and higher basis weight per unit area than longitudinally spaced end portions of the absorbent core. Such absorbent cores may comprise a mixture of hydrophilic fibers and discrete particles of a highly absorbent material such as, for example, hydrogel material.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: August 11, 1987
    Assignee: The Procter & Gamble Company
    Inventors: Margaret H. Hasse, Mark J. Steinhardt