Patents by Inventor Christina Ragnarson

Christina Ragnarson 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 article with improved leakage protection
    Patent number: 7598427
    Abstract: The invention relates to an absorbent article for taking up body fluids, with a longitudinal direction, a transverse direction, a crotch portion (8) and two end portions (6, 7), and having side edges (9, 10) extending in the longitudinal direction and end edges (11, 12) extending in the transverse direction, and comprising a liquid-permeable cover sheet (2) and a liquid-tight cover sheet (3), and an absorbent body (4) arranged between the cover sheets (2, 3), and further comprising barriers which are arranged along the side edges (9, 10) of the article and which are raised up from the liquid-permeable cover sheet (2). The liquid-permeable cover sheet (2) has a central zone (30) which is arranged essentially in the crotch portion (8) of the article, and two end zones (31, 32) which are arranged at the end portions (6, 7) of the article, the liquid-permeable cover sheet (2) being more hydrophilic in the central zone (30) than in the end zones (31, 32).
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: October 6, 2009
    Assignee: SCA Hygiene Products AB
    Inventors: Christina Ragnarson, Kent Hermansson, Åsa Lindström
  • Absorbent article with improved leakage protection
    Publication number: 20030139724
    Abstract: The invention relates to an absorbent article for taking up body fluids, with a longitudinal direction, a transverse direction, a crotch portion (8) and two end portions (6, 7), and having side edges (9, 10) extending in the longitudinal direction and end edges (11, 12) extending in the transverse direction, and comprising a liquid-permeable cover sheet (2) and a liquid-tight cover sheet (3), and an absorbent body (4) arranged between the cover sheets (2, 3), and further comprising barriers which are arranged along the side edges (9, 10) of the article and which are raised up from the liquid-permeable cover sheet (2). The liquid-permeable cover sheet (2) has a central zone (30) which is arranged essentially in the crotch portion (8) of the article, and two end zones (31, 32) which are arranged at the end portions (6, 7) of the article, the liquid-permeable cover sheet (2) being more hydrophilic in the central zone (30) than in the end zones (31, 32).
    Type: Application
    Filed: December 4, 2002
    Publication date: July 24, 2003
    Inventors: Christina Ragnarson, Kent Hermasson, Asa Lindstrom