Patents by Inventor Rainer Walter Max Schone

Rainer Walter Max Schone 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).

  • Absorbent article
    Patent number: 6103952
    Abstract: An absorbent article especially adapted for users ranging from walking infants to adults in a predominantly laying-down position includes a layer of absorbent material, wherein the average basis capacity of absorbent material located in a back half section of the layer is higher than the average basis capacity of absorbent material located in the front half section of the layer. A liquid barrier means is located between a transverse centerline of the layer and the waist edge of a back sheet to prevent liquids from leaking to the back waist edge.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: August 15, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Peter Coles, Christopher Bewick-Sonntag, Michael Divo, Helene Karin Costea, Rainer Walter Max Schone
  • Sanitary articles with multi aperture size film topsheets
    Patent number: 5998696
    Abstract: The present invention relates to absorbent articles particularly sanitary napkins having film topsheets. In particular a film topsheet receiving the liquids to be absorbed comprises apertures of at least 4 different sizes. This range of aperture sizes provides exceptionally good liquid intake performance for the range of liquid viscosities commonly found for liquids which are absorbed in sanitary napkins.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: December 7, 1999
    Assignee: The Procter & Gamble Company
    Inventor: Rainer Walter Max Schone
  • Absorbent with half section of gelling material
    Patent number: 5873867
    Abstract: An absorbent structure is described having an absorbent material layer of fibrous or foamed material, a front half section, a back half section, and absorbent gelling material, wherein more than half the weight of the absorbent gelling material is disposed in the back half section of the absorbent structure. The absorbent structure may include an acquisition/distribution layer having a surface overlying said absorbent material layer, wherein more than half of the surface is disposed in the back half section of the absorbent structure. The absorbent material layer of the absorbent structure may also have a back half section with a higher caliper than the caliper of the front half section of the absorbent material layer.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: February 23, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Peter Coles, Rainer Walter Max Schone, Michael Divo, Helene Karin Costea, Christopher Philipp Bewick-Sonntag
  • Absorbent article having a cushioning member and a barrier
    Patent number: 5868725
    Abstract: An absorbent article especially adapted for users ranging from walking infants to adults in a pre-dominantly lying-down position, comprises cushioning means in at least the back waist region of the article. A liquid barrier is located between the cushioning means and the absorbent core to prevent liquids from migrating into the cushioning means. In one embodiment, the average basis capacity of the absorbent core is highest in the back half section of the core.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: February 9, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Peter Coles, Rainer Walter Max Schone, Michael Divo, Helene Karin Costea