Patents by Inventor Hans-Rudolf Muhlemann

Hans-Rudolf Muhlemann 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).

  • Mutanase
    Patent number: 4353891
    Abstract: This invention relates to a class of .alpha.1,3 glucan 3-glucanohydrolase named mutanase. The .alpha.1,3 glucosidic bonded polysaccharides hydrolyzed by these enzymes, herein termed mutan, forms part of the matrix material of dental plaque.Mutanase may be produced by culturing microorganisms such as, Trichoderma, Penicillium, or Streptococcus on a glucan characterized by at least 50% alpha -1, 3 glucosidic bonds.Mutanase containing compositions are adapted for disintegrating in vivo essential structural components of dental plaque.
    Type: Grant
    Filed: October 19, 1971
    Date of Patent: October 12, 1982
    Inventors: Bernhard Guggenheim, Hans-Rudolf Muhlemann