Patents by Inventor Kersti Strandqvist

Kersti Strandqvist 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 having improved absorption properties
    Patent number: 6930221
    Abstract: An absorbent structure in an absorbent article such as a diaper, a pant diaper, an incontinence guard, a sanitary napkin or the like, includes a combination of a porous material such as fibers and/or foam, and at least 50% by weight of a superabsorbent material in at least one area thereof in which the superabsorbent material is distributed. The superabsorbent material is cross-linked by ionic bonds, preferably a polyvalent metal ion. The superabsorbent may further be covalently cross-linked.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: August 16, 2005
    Assignee: SCA Hygiene Products AB
    Inventor: Kersti Strandqvist