Patents by Inventor Norbert Matthias Stelzer

Norbert Matthias Stelzer 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: 11471340
    Abstract: A unitary storage layer for an absorbent article, being formed by at least two sub-layers in which a first outermost sub-layer forms said first surface and includes cellulose pulp fibers and cross linked cellulose fibers and includes less than 5% of SAP by weight of the sub-layer, and a second sub layer which includes cellulose pulp fibers and SAP and is immediately adjacent to said first sub-layer.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 18, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Martin Schnabel, Carola Elke Beatrice Krippner, Norbert Matthias Stelzer, Michele Mazzeo, Dirk Saevecke
  • Publication number: 20180140480
    Abstract: The present invention relates to a unitary storage layer for an absorbent article, being formed by at least two sub-layers wherein a first outermost sub-layer forming said first surface and comprises cellulose pulp fibers and cross linked cellulose fibers and comprises less than 5% of SAP by weight of the sub-layer, and a second sub layer which comprises cellulose pulp fibers and SAP and is immediately adjacent to said first sub-layer.
    Type: Application
    Filed: October 13, 2017
    Publication date: May 24, 2018
    Inventors: Martin SCHNABEL, Carola Elke Beatrice KRIPPNER, Norbert Matthias STELZER, Michele MAZZEO, Dirk SAEVECKE
  • Patent number: 8771471
    Abstract: A process for making an absorbent component comprising the steps of providing individual sheets of pulp; attaching a first individual pulp sheet to one or more second individual pulp sheets to form a strip of pulp; feeding the strip of pulp into a defiberizer; defiberizing the strip of pulp to form defiberized fibers; and depositing the defiberized fibers onto a forming surface to form the absorbent component.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: July 8, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Anirudh Singh, Christopher Michael Young, Timothy Duane Smith, Steven Lee Barnholtz, Dirk Saevecke, Gina Isoldi, Florian Philip Rousselange, Norbert Matthias Stelzer
  • Publication number: 20130228948
    Abstract: A process for making an absorbent component comprising the steps of providing individual sheets of pulp; attaching a first individual pulp sheet to one or more second individual pulp sheets to form a strip of pulp; feeding the strip of pulp into a defiberizer; defiberizing the strip of pulp to form defiberized fibers; and depositing the defiberized fibers onto a forming surface to form the absorbent component.
    Type: Application
    Filed: January 24, 2013
    Publication date: September 5, 2013
    Applicant: THE PROCTER & GAMBLE COMPANY
    Inventors: Anirudh Singh, Christopher Michael Young, Timothy Duane Smith, Steven Lee Barnholtz, Dirk Saevecke, Gina Isoldi, Florian Philip Rousselange, Norbert Matthias Stelzer
  • Patent number: 8491560
    Abstract: A diaper comprising a garment facing side and a wearer facing side, the diaper further comprising closure elements, at least one closure element comprising: a carrier layer (1) comprising a nonwoven or woven material, and comprising a first surface and a second surface opposite the first surface, a first side edge and a second side edge opposite the first side edge, and a first end edge and a second end edge opposite the first end edge, the first surface of the carrier layer (1) comprising a bonding layer (2), the bonding layer (2) not extending over the entire first surface of the carrier layer (1) and the first surface of the carrier layer (1) further comprising an anchoring layer (3) suitable for the attachment of a hook patch (5), the second surface of the carrier layer (1) comprising a separation layer (4). A closure element and a method of manufacture are further aspects of the invention.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: July 23, 2013
    Assignee: The Procter & Gamble Company
    Inventors: Julia Katharina Schuerfeld, Norbert Matthias Stelzer