Patents by Inventor Nils Ljungqvist

Nils Ljungqvist 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: 6524289
    Abstract: An absorbent article, such as a sanitary towel, an incontinence protector, a diaper, a seat protector or a bed protector, includes an absorption body enclosed between a liquid-permeable cover layer and a liquid-tight cover layer, which liquid-tight cover layer includes a carrier layer having a first surface and a second surface, the first surface being intended to function as a securing arrangement for securing on a textile surface or textile-like surface. The securing arrangement has a multiplicity of individual fibers, which are free from one another and each have two fiber ends, are secured via one fiber end to the first surface of the carrier layer, and moreover by the fact that the first surface, in order to serve as a securing surface against a textile material surface or textile-like material surface, is at least partially coated with an adhesive.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: February 25, 2003
    Assignee: SCA Hygiene Products AB
    Inventors: Björn Larsson, Nils Ljungqvist
  • Patent number: 6258997
    Abstract: A liquid-pervious cover layer for an absorbent article, such as a sanitary napkin, a panty-liner, a diaper, or the like, which comprises a liquid-pervious carrier layer against which individual hydrophobic fibers, detached from each other and each exhibiting two fiber ends, are attached with one fiber end against the carrier layer, with an attachment angle &agr; between the carrier layer and each individual fiber. The cover layer exhibits fiber-free regions for facilitating liquid transfer through the cover layer. The invention further includes an absorbent article provided with the cover layer, and a method of manufacturing the cover layer.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: July 10, 2001
    Assignee: SCA Hygiene Products AB
    Inventors: Anette Johansson, Nils Ljungqvist