Patents by Inventor Lars WÅgberg

Lars WÅgberg 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: 6465710
    Abstract: The invention pertains to an absorbent structure (3) in an absorbent article such as a diaper (100), an incontinence protector, a sanitary napkin or the like, which structure exhibits two end portions (8, 9) and a crotch portion (6) located therebetween, wherein the absorbent structure (3) comprises superabsorbent material having a thermo-reversible liquid absorption capacity. The superabsorbent material having a thermo-reversible liquid absorption capacity is located in one or several delimited regions in the absorbent structure (3).
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: October 15, 2002
    Assignee: SCA Hygiene Products AB
    Inventors: Jeanette Annergren, Lars WÅgberg