Patents by Inventor Ingrid Wesselkamp

Ingrid Wesselkamp 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).

  • Dressing
    Patent number: 6822132
    Abstract: A dressing especially for covering wounds or preventing or treating blisters, comprising a water vapor pervious carrier film uniformly covered with an adhesive layer, wherein there is centrally disposed on the adhesive layer a water vapor pervious polyurethane matrix which is beveled from an especially central point to the edge of the adhesive layer, although the periphery of the adhesive layer is at least partially not covered by the polyurethane matrix.
    Type: Grant
    Filed: September 13, 2001
    Date of Patent: November 23, 2004
    Assignee: Beiersdorf AG
    Inventors: Helge Ahrens, Carsten Hartkopf, Jochen Kenndoff, Ulrich Köhler, Dirk Lenz, Robert Mayan, Günther Sachau, Ingrid Wesselkamp
  • Dressing
    Publication number: 20020156411
    Abstract: A dressing especially for covering wounds or preventing or treating blisters, comprising a water vapor pervious carrier film uniformly covered with an adhesive layer, wherein there is centrally disposed on the adhesive layer a water vapor pervious polyurethane matrix which is beveled from an especially central point to the edge of the adhesive layer, although the periphery of the adhesive layer is at least partially not covered by the polyurethane matrix.
    Type: Application
    Filed: September 13, 2001
    Publication date: October 24, 2002
    Applicant: Beiersdorf Aktiengesellschaft
    Inventors: Helge Ahrens, Carsten Hartkopf, Jochen Kenndoff, Ulrich Kohler, Dirk Lenz, Robert Mayan, Gunther Sachau, Ingrid Wesselkamp
  • Surgical material
    Patent number: 4902728
    Abstract: In a surgical composition comprising a liquid monomeric and powdered polymeric acrylate or methacrylate, a catalyst and an accelerator, the composition upon mixing of the liquid and powdered constituents passing through a plastic state to a solid state, the improvement which comprises including in the composition about 1 to 15% by weight of dimethyl sulfoxide. The product exhibits reduced cytotoxicity.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: February 20, 1990
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Hanns Pietsch, Karl G. Doppler, Barbara Krug, Wolfgang Meyer-Ingold, Ingrid Wesselkamp, Volker Hohmann, Ernst-Joachim Henssge, Andre Ljutow
  • Water-soluble, pressure sensitive, self-adhesive compositions and articles made therewith
    Patent number: 4413082
    Abstract: A water-soluble, pressure-sensitive, self-adhesive composition comprising a limited class of copolymers and a specific plasticizer which is completely neutralized with potassium hydroxide. The composition comprises 30 to 80 parts of a copolymer of 70 to 88% by weight acrylic acid butyl ester and 12 to 30% by weight vinyl carboxylic acid. The ester may be substituted in an amount of 3 to 12% by weight by acrylic acid-2-ethylhexyl ester and/or 5 to 25% by weight by a mixture of vinyl acetate and fumaric acid dialkyl ester. The composition also includes 20 to 70 parts by weight of a water soluble plasticizer which is ethoxylated phenol (or alkylphenol), ethoxylated alkyl mono- or diamine, or an ethoxylated alkyl ammonium compound. The composition is particularly useful for the production of adhesive tapes and similar articles useful in the papermaking industry for maintaining paper webs in continuous form.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: November 1, 1983
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Peter Gleichenhagen, Ingrid Wesselkamp