Patents by Inventor Erik Asmussen

Erik Asmussen 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).

  • Coating agent for collagen-containing materials
    Patent number: 5183832
    Abstract: Coating agent for collagen-containing materials, comprising an aldehyde, unsaturated monomers with and without active hydrogen, solubilizers and/or dispersants, activators and conventional additives.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: February 2, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erik Asmussen, Erik C. Munksgaard, Michael Muller, Wolfgang Podszun, Jens Winkel
  • Conditioning liquids for tooth or bone matter
    Patent number: 4810195
    Abstract: A solution for conditioning tooth or bone matter for filling, containing an acid and an amphoteric amino compound, the solution having a pH from 0.1 to 3.5.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: March 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erik Asmussen, Erik C. Munksgaard
  • Coating material for collagen-containing materials
    Patent number: 4698376
    Abstract: The present invention relates to formulations which are useful as coating materials for example as an undercoating material or lacquer to improve the bonding between collagen-containing materials and hardening polymeric materials. The formulations contain an active ketone and an olefinically unsaturated monomer which has an active hydrogen.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: October 6, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erik Asmussen, Christian Munksgaard
  • Adhesion promoting agent, process for its preparation and use thereof on collageneous material
    Patent number: 4593054
    Abstract: A primer composition for providing bonding between collagen containing materials, including dentin, bones and leather, and acrylate resins is disclosed comprising a monomer of the acrylate type containing reactive hydrogen and an aldehyde group containing compound. The combination may be made as a physical mixture or a chemical reaction product.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: June 3, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erik Asmussen, Christian Munksgaard