Patents by Inventor Lars Sch.o slashed.nfeldt

Lars Sch.o slashed.nfeldt 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: 5913849
    Abstract: A heat dressing for treatment of skin areas and comprising a heat generating unit and a liquid-absorbing adhesive layer which prior to use is coated with a strippable release layer. The adhesive layer is preferably of a hydrocolloidal material and may optionally contain one or more medicaments or be coated with alginate fibre mats. The heat generating unit generates heat preferably by means of galvanic or chemical energy, and the heat dressing may further comprise elements for controlling the heat development and/or the surface temperature.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: June 22, 1999
    Assignee: Coloplast A/S
    Inventors: Staffan Sundstrom, Lars Sch.o slashed.nfeldt, Peter Boman Samuelsen
  • Patent number: 5738860
    Abstract: The invention concerns a porous material essentially consisting of one or more hydrophilic polymers and/or pharmaceutical water-soluble medicaments as well as optionally reinforcing elements and/or additives. The material has a structure essentially in the form of elongate leaf-like formations, which essentially extend in the same vertical direction, and which are united in longitudinal areas to provide vertically elongate pores located therebetween. The invention additionally concerns a wound dressing comprising such a material, and a method of making the material.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: April 14, 1998
    Assignee: Coloplast A/S
    Inventors: Lars Sch.o slashed.nfeldt, Peter Sylvest Nielsen, Peter Boman Samuelsen
  • Patent number: 5662624
    Abstract: A heat dressing for treatment of skin areas and comprising a heat generating unit and a liquid-absorbing adhesive layer which prior to use is coated with a strippable release layer. The adhesive layer is preferably of a hydrocolloidal material and may optionally contain one or more medicaments or be coated with alginate fibre mats. The heat generating unit generates heat preferably by means of galvanic or chemical energy, and the heat dressing may further comprise elements for controlling the heat development and/or the surface temperature.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: September 2, 1997
    Assignee: Coloplast A/S
    Inventors: Staffan Sundstrom, Lars Sch.o slashed.nfeldt, Peter Boman Samuelsen