Patents by Inventor Sofia Roxendal

Sofia Roxendal 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: 6685686
    Abstract: Absorbent article such as a diaper, an incontinence guard, a pantyliner or a sanitary napkin, including a liquid-pervious topsheet (3), a liquid-impermeable backsheet (2), and an absorbent body (4) enclosed therebetween, wherein the topsheet (3) and absorbent body (4) either directly or via at least one intermediate layer are joined partly by a first adhesive (5) and partly by a second adhesive (6) The surface which is constituted of the topsheet (3) and which is adhesively joined with the first adhesive (5) and the second adhesive (6) is formed into a three-dimensional structure having alternating raised (8) and recessed regions (7), wherein the first adhesive (5) is arranged in the recessed regions (7) and the second adhesive (6) is arranged in the raised regions (8).
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: February 3, 2004
    Assignee: SCA Hygiene Products AB
    Inventors: Kent Hermansson, Sofia Roxendal
  • Patent number: 6660902
    Abstract: Absorbent article such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing or the like comprising a layer of continuous fibers (9), so called tow, which is bonded in points, spots or lines in a bonding pattern (10), but where the fibers otherwise are substantially unbonded to each other. The layer can either be used as a liquid acquisition layer (5) in the article under the topsheet (2), as a topsheet (12) or as a combined topsheet and liquid acquisition layer (22).
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: December 9, 2003
    Assignee: SCA Hygine Products AB
    Inventors: Urban Widlund, Christina Steger, Roy Hansson, Sofia Roxendal, Peter Wessel
  • Publication number: 20020115974
    Abstract: Absorbent article such as a diaper, an incontinence guard, a pantyliner or a sanitary napkin, including a liquid-pervious topsheet (3), a liquid-impermeable backsheet (2), and an absorbent body (4) enclosed therebetween, wherein said topsheet (3) and absorbent body (4) either directly or via at least one intermediate layer are joined by means of partly a first adhesive (5) and partly by means of a second adhesive (6). The surface which is constituted of said topsheet (3) and which is adhesively joined with said first adhesive (5) and said second adhesive (6) is formed into a three-dimensional structure having alternating raised (8) and recessed regions (7), wherein said first adhesive (5) is arranged in the recessed regions (7) and said second adhesive (6) is arranged in said raised regions (8).
    Type: Application
    Filed: February 14, 2002
    Publication date: August 22, 2002
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Kent Hermansson, Sofia Roxendal
  • Patent number: 6417427
    Abstract: Absorbent article, such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing and the like, comprising a layer of continuous fibres, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern (10), but otherwise are substantially unbonded to each other, wherein the bonding pattern (10) is different in different portions of said layer (5). The layer can either be utilized as a liquid acquisition layer (5) in the article underneath a topsheet (2), as a topsheet (12), or as a combined topsheet and liquid acquisition layer (22).
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: July 9, 2002
    Assignee: SCA Hygiene Products AB
    Inventors: Sofia Roxendal, Peter Rönnberg, Roy Hansson
  • Patent number: 6245961
    Abstract: An absorbent article, such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing and the like, comprising a layer of continuous fibers, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern (10), but otherwise are substantially unbonded to each other, and which layer comprises at least two zones (5a-e), as seen in the cross-sectional direction of the layer, which zones are different with respect to one or several properties such as basis weight, density, pore size, hydrophilicity/hydrophobicity and/or other absorption properties and/or properties affecting skin condition. Said layer can either be used as a liquid acquisition layer (5) in the article underneath a topsheet (2), as a topsheet (12), or as a combined topsheet and liquid acquisition layer (22).
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: June 12, 2001
    Assignee: SCA Hygiene Products AB
    Inventors: Sofia Roxendal, Peter Rönnberg, Roy Hansson