Patents by Inventor Brigit Wirtz

Brigit Wirtz 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 core having varied basis weight of absorbent material and adhesive
    Patent number: 9168186
    Abstract: An absorbent core comprising a substrate layer and an absorbent layer, the absorbent layer comprising an absorbent material and a thermoplastic adhesive material; the absorbent core has longitudinal and transverse dimensions and consists of nine transverse segments in its longitudinal dimension and six longitudinal segments in its transverse dimension; in each of the transverse segments and longitudinal segments, the absorbent layer has average basis weights of absorbent material of thermoplastic adhesive material; the basis weights of the absorbent layer in at least one of the transverse segments are lower than the basis weights of the absorbent layer in at least one other of the transverse segments; and the basis weights of the absorbent layer in at least one of the longitudinal segments are lower than the basis weights of the absorbent layer in at least one other of the longitudinal segments.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: October 27, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Peter Armstrong-Ostle, Harald Hundorf, Brigit Wirtz, Torsten Frings, Bruno Johannes Ehrnsperger, Maike Thomann
  • Absorbent Core for Disposable Absorbent Article
    Publication number: 20120316530
    Abstract: An absorbent core for disposable absorbent articles comprising absorbent material having a basis weight that varies across the absorbent core is provided.
    Type: Application
    Filed: June 8, 2012
    Publication date: December 13, 2012
    Applicant: The Procter & Gamble Company
    Inventors: Peter Armstrong-Ostle, Harald Hundorf, Brigit Wirtz, Torsten Frings, Bruno Johannes Ehrnsperger, Maike Thomann