Patents by Inventor Hans Boessler

Hans Boessler 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).

  • Plastisols comprising copolymers of methyl methacrylate
    Patent number: 4199486
    Abstract: A storage-stable plastisol is disclosed comprising an organic plasticizer and particles of a methyl methacrylate copolymer, said particles comprising a core portion of a polymer compatible with said plasticizer and a surrounding shell portion of a polymer incompatible with the plasticizer.
    Type: Grant
    Filed: May 11, 1978
    Date of Patent: April 22, 1980
    Assignee: Rohm GmbH
    Inventors: Hans Boessler, Peter Quis, Joachim Buechse, Hubert Rauch
  • Method of making aqueous emulsions of acrylate copolymers in the presence of a degraded starch protective colloid
    Patent number: 4171407
    Abstract: Non-blocking coatings are disclosed, which coatings comprise an acrylate ester emulsion polymer prepared by polymerization in the presence of a degraded starch which, in a 10 percent solution in 1 N NaOH, has a viscosity not greater than 15 mPa . s at a velocity gradient D=532.1 s.sup.-1.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: October 16, 1979
    Assignee: Rohm GmbH
    Inventors: Wilhelm Elser, Klaus Huebner, Hans Ottofrickenstein, Hans Boessler