Patents by Inventor Johanna Pålsson

Johanna Pålsson 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 structure, and production of absorbent structure by mat formation on high-loft material
    Patent number: 6235966
    Abstract: Absorbent structure (1) consisting of an absorbent material layer (2) of cellulose fibers (4) and a high-loft material layer (3) of synthetic fibers (5), and a method for producing an absorbent structure (1) which is intended for use in an absorbent article. The two layers are held together by being integrated in each other by the fibers (4) of the absorption material (2) extending into cavities in the high-loft material (3). In this method, the absorbent material (2) is mat-formed directly on a high-loft material (3), which is placed on a wire (26). Arranged under the wire (26) there is a suction box (22) which sucks air downwards, the fibers (4) being sucked downwards and penetrating down into the high-loft material (3).
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: May 22, 2001
    Assignee: SCA Hygiene Products AB
    Inventors: Ing-Britt Magnusson, Johanna Pålsson