Patents by Inventor Bernd Leusner

Bernd Leusner 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).

  • Medicaments for the region of the oral cavity
    Patent number: 4981875
    Abstract: Etofenamate is used for the preparation of compositions useful in the treatment of bacterial, viral or fungicidal inflammations in the region of the oral cavity.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: January 1, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Leusner, Rudiger Heiss, Bernd Pelster, Wolfgang Fischer, Ulrich Ohm
  • Contact lenses of methyl methacrylate copolymers
    Patent number: 4384097
    Abstract: Contact lenses and contact shells of light-refracting material consisting essentially of a copolymer of(I) from 40 to 90% by weight of methyl methacrylate and(II) from 10 to 60% by weight of methyl acrylate and/or esters corresponding to formula (1): ##STR1## in which R represents H or CH.sub.3,R' represents H, CH.sub.3 or C.sub.2 H.sub.5 andn=1 or 2,the sum of I and II amounting to 100% by weight.
    Type: Grant
    Filed: October 9, 1980
    Date of Patent: May 17, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Frank Wingler, Bernd Leusner, Peter Schwabe, Otto-Christian Geyer
  • Shaped dental articles
    Patent number: 4300886
    Abstract: The invention relates to bead polymers, useful in the provision of dental articles and made by bead polymerizing a diamine-lengthened polyurethane and a methacrylate. Also included in the invention are the dental articles made using said bead polymers.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: November 17, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Carlhans Suling, Gerhard Balle, Bernd Leusner, Hans-Hermann Schulz, Michael Walkowiak