Patents by Inventor Lars Schoenfeldt

Lars Schoenfeldt 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).

  • Publication number: 20140271351
    Abstract: Medical device comprising a hydrophilic coating, sterilised while in contact with a swelling medium comprising a low molecular polyol; and a separate buffer selected from the group consisting of carboxylic acids, amino acids, aminosulphonic acids and inorganic acids. The swelling media provides a stable pH after sterilisation and maintain the low friction of the coating.
    Type: Application
    Filed: December 21, 2010
    Publication date: September 18, 2014
    Applicant: Coloplast A/S
    Inventors: Bo Rud Nielsen, Niels Joergen Madsen, Lars Schoenfeldt
  • Publication number: 20090012208
    Abstract: The present invention relates to a medical device having a wetted hydrophilic coating comprising: a coating composition containing a hydrophilic polymer and a wetting agent comprising water and one or more lubricant(s).
    Type: Application
    Filed: April 6, 2005
    Publication date: January 8, 2009
    Inventors: Niels Joergen Madsen, Lars Schoenfeldt
  • Patent number: 6565878
    Abstract: A method for preparing a non-fibrous porous material essentially consisting of one or more hydrophilic polymeric components(s) or one or more hydrophilic polymeric component(s) and one or more pharmaceutical medicaments, the method comprising forming an aqueous solution, sol or gel comprising one or more hydrophilic polymers and/or pharmaceutical medicaments, freezing or foaming the solution, dehydrating the frozen or foamed solution leaving a non-fibrous porous material in a solid, porous form, and optionally subjecting the resulting porous material to a dry heat treatment.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: May 20, 2003
    Assignee: Coloplast A/S
    Inventors: Lars Schoenfeldt, Brian Nielsen, Josef Ayzma
  • Patent number: 6326030
    Abstract: A method for preparing a non-fibrous porous material essentially consisting of one or more hydrophilic polymers and/or pharmaceutical medicaments comprising forming an aqueous solution, sol or gel comprising one or more hydrophilic polymers and/or pharmaceutical medicaments, freezing the solution, sol or gel and extracting the frozen water selectively using a hydrophilic organic solvent being miscible with water at a temperature below 5° C. at which temperature the solvent is not able to dissolve the frozen solutes, leaving the non-fibrous material in a solid, porous form.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: December 4, 2001
    Assignee: Colorplast A/S
    Inventors: Lars Schoenfeldt, Peter Sylvest Nielsen
  • Patent number: 6297423
    Abstract: A dressing for covering a portion of the anatomical surface of a living being, said dressing being able to adhere to the skin, the mucosa and/or a wound on any portion of a living being without exposing the skin to a significant stress after application and said dressing showing a permanent deformation created before, during or after application of the dressing and wherein the dressing is optionally covered in part or fully by one or more release liners or cover films to be removed before or during application.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: October 2, 2001
    Assignee: Colorlast A/S
    Inventors: Lars Schoenfeldt, Lars Bo Madsen, Jan Marcussen