Patents by Inventor Helmut Colfen

Helmut Colfen 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).

  • Remineralizing dental material
    Patent number: 12678378
    Abstract: A subject of the invention is a remineralizing dental material, having at least one cation and at least one anion, which are configured as partner ions for forming a remineralization substance. In accordance with the invention at least one of the partner ions is multivalent and is included as counterion in a coacervate. A further subject of the invention is a kit for producing such a dental material, and also the use thereof.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: July 14, 2026
    Assignee: Muhlbauer Technology GmbH
    Inventors: Dominik Gruber, Stephan Neffgen, Olav-Sven Becker, Holger Muller, Helmut Colfen, Elena Sturm
  • Calcium coacervates for remineralization and for demineralization inhibition
    Patent number: 12478560
    Abstract: The invention relates to calcium coacervate for use in a method for caries prevention and/or caries treatment, comprising a step during which dental enamel is infiltrated with calcium coacervate; and to kits that comprise: a) a phosphate ion-containing solution; and b1) a calcium coacervate-containing emulsion and/or b2) a second solution comprising polyanions and/or their salts, and a calcium ion-containing third solution.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: November 25, 2025
    Assignee: Muhlbauer Technology GmbH
    Inventors: Sebastian Paris, Dominik Gruber, Helmut Colfen, Neziha Bulgun, Elisabeth Prause
  • REMINERALIZING DENTAL MATERIAL
    Publication number: 20220202655
    Abstract: A subject of the invention is a remineralizing dental material, having at least one cation and at least one anion, which are configured as partner ions for forming a remineralization substance. In accordance with the invention at least one of the partner ions is multivalent and is included as counterion in a coacervate. A further subject of the invention is a kit for producing such a dental material, and also the use thereof.
    Type: Application
    Filed: April 8, 2020
    Publication date: June 30, 2022
    Inventors: Dominik Gruber, Stephan Neffgen, Olav-Sven Becker, Holger Muller, Helmut Colfen, Elena Sturm
  • CALCIUM COACERVATES FOR REMINERALIZATION AND FOR DEMINERALIZATION INHIBITION
    Publication number: 20220202657
    Abstract: The invention relates to calcium coacervate for use in a method for caries prevention and/or caries treatment, comprising a step during which dental enamel is infiltrated with calcium coacervate; and to kits that comprise: a) a phosphate ion-containing solution; and b1) a calcium coacervate-containing emulsion and/or b2) a second solution comprising polyanions and/or their salts, and a calcium ion-containing third solution.
    Type: Application
    Filed: April 14, 2020
    Publication date: June 30, 2022
    Inventors: Sebastian Paris, Dominik Gruber, Helmut Colfen, Neziha Bulgun, Elisabeth Prause