Patents by Inventor Gerhard RITZDORF

Gerhard RITZDORF 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).

  • Over-patch having improved compatibility and a long adhesion duration and method for producing said over-patch
    Patent number: 11583505
    Abstract: The invention relates to a medical product for a fastening duration of at least 7 days having good skin compatibility. The medical product includes a central adhesive compartment (3) and an over-patch. The over-patch is free of active ingredients and is formed from a water-vapor-permeable back layer (1) and an adhesive polymer layer (2) that is free of active ingredients. The invention further relates to a method for the production of the foregoing medical product, and to kits of parts containing laminates of layers 1 and 2.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 21, 2023
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Gerhard Ritzdorf, Thomas Hille, Petra Botzem, Gabriel Wauer, Marlene Fuhrmann
  • OVER-PATCH HAVING IMPROVED COMPATIBILITY AND A LONG ADHESION DURATION AND METHOD FOR PRODUCING SAID OVER-PATCH
    Publication number: 20190262278
    Abstract: The invention relates to a medical product for a fastening duration of at least 7 days having good skin compatibility. The medical product includes a central adhesive compartment (3) and an over-patch. The over-patch is free of active ingredients and is formed from a water-vapor-permeable back layer (1) and an adhesive polymer layer (2) that is free of active ingredients. The invention further relates to a method for the production of the foregoing medical product, and to kits of parts containing laminates of layers 1 and 2.
    Type: Application
    Filed: May 8, 2019
    Publication date: August 29, 2019
    Inventors: Gerhard RITZDORF, Thomas HILLE, Petra BOTZEM, Gabriel WAUER, Marlene FUHRMANN
  • Over-patch having improved compatibility and a long adhesion duration and method for producing said over-patch
    Patent number: 10335377
    Abstract: The invention relates to a medical product for a fastening duration of at least 7 days having good skin compatibility. The medical product includes a central adhesive compartment (3) and an over-patch. The over-patch is free of active ingredients and is formed from a water-vapor-permeable back layer (1) and an adhesive polymer layer (2) that is free of active ingredients. The invention further relates to a method for the production of the foregoing medical product, and to kits of parts containing laminates of layers 1 and 2.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: July 2, 2019
    Assignee: LTS Lohmann Therapie-Systeme AG
    Inventors: Gerhard Ritzdorf, Thomas Hille, Petra Botzem, Gabriel Wauer, Marlene Fuhrmann
  • OVER-PATCH HAVING IMPROVED COMPATIBILITY AND A LONG ADHESION DURATION AND METHOD FOR PRODUCING SAID OVER-PATCH
    Publication number: 20170087098
    Abstract: The invention relates to a medical product for a fastening duration of at least 7 days having good skin compatibility. The medical product includes a central adhesive compartment (3) and an over-patch. The over-patch is free of active ingredients and is formed from a water-vapor-permeable back layer (1) and an adhesive polymer layer (2) that is free of active ingredients. The invention further relates to a method for the production of the foregoing medical product, and to kits of parts containing laminates of layers 1 and 2.
    Type: Application
    Filed: March 16, 2015
    Publication date: March 30, 2017
    Inventors: Gerhard RITZDORF, Thomas HILLE, Petra BOTZEM, Gabriel WAUER, Marlene FUHRMANN