Patents by Inventor Hartmut Weise

Hartmut Weise 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: 4987075
    Abstract: The inventive membrane of high selectivity comprises a laminated enzyme membrane, which is enclosed by two cellulose membranes. The laminated enzyme membrane is an enzyme-containing polyurethane layer; the cellulose membranes are coated with cellulose nitrate.The inventive process is characterized in that ferricyanide or hydrogen peroxide is added in the presence of peroxidase to the measurement sample, the measurement portion or the enzyme membrane.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: January 22, 1991
    Assignee: Akademie der Wissenschaften
    Inventors: Jurgen Nentwig, Frieder Scheller, Gunter Hanke, Wolfgang Breitmoser, Hartmut Weise, Dorothea Pfeiffer, Anette Nunchert, Florian Schubert, Christoph Meiske, Siegfried Kuhnel
  • Patent number: D794646
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: August 15, 2017
    Assignee: viveroo GmbH
    Inventors: Michael Pelster, Hartmut Weise
  • Patent number: D806508
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: January 2, 2018
    Assignee: Franz Schneider Brakel GMBH & Co KG
    Inventor: Hartmut Weise
  • Patent number: D806509
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: January 2, 2018
    Assignee: Franz Schneider Brakel GMBH & Co KG
    Inventor: Hartmut Weise
  • Patent number: D986250
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: May 16, 2023
    Assignee: Viveroo GmbH
    Inventor: Hartmut Weise