Patents by Inventor Marcus Hoffmann

Marcus Hoffmann 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: 20070142496
    Abstract: A self-curing or dual-curing, low viscosity composite is used for the fabrication of a dental liner capable of polymerization in 2 stages with 2 curing times and delayed polymerization characteristics that is designed for use at the cavity wall in the form of a thin layer.
    Type: Application
    Filed: November 7, 2006
    Publication date: June 21, 2007
    Applicant: Heraeus Kulzer GmbH
    Inventors: Andreas Grundler, Marcus Hoffmann
  • Publication number: 20070117879
    Abstract: Light-curing, self-etching one-component dental adhesives containing at least one acrylate or methacrylate monomer, at least one acidic component, at least one photoinitiator, at least one solvent that is miscible with water, water, and non-agglomerated SiO2 having a particle size of 5-100 nm, are suitable, for example, for the adhesive attachment of direct filling materials, or in combination with an additional neutralizing layer and a fastening cement, for the attachment of indirect, laboratory-produced filling materials.
    Type: Application
    Filed: August 17, 2006
    Publication date: May 24, 2007
    Applicant: Heraeus Holding GmbH
    Inventors: Marcus Hoffmann, Albert Erdrich
  • Publication number: 20060160920
    Abstract: Compounds of the formula I R113 O—CO—C(?CHR)-Y—O-Q(AH)n ??(I) where A stands for a —CO2— or —SO3— group which together with H+ yields AH, Q represents C1-12alkylene, C4-12alkylene interrupted by —O—, >N—, or —S—, or, in given cases, C6-15arylene substituted with C1-4alkyl, C1-4alkoxy or halogen, where in the case of arylene the aryl groups can carry additional acid groups A, Y stands for C1-12alkylene or C4-12alkylene interrupted by —O—, >N—, or —S—, R represents methyl or H, R1 is C1-6alkyl, and n assumes the values 1, 2, or 3 are particularly suitable for the production of self-etching dental adhesives.
    Type: Application
    Filed: January 10, 2006
    Publication date: July 20, 2006
    Applicant: Heraeus Kulzer GmbH
    Inventors: Marcus Hoffmann, Albert Erdrich