Patents by Inventor Karl E. Ott

Karl E. Ott 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).

  • Process for the improvement of the homogeneity of highly reactive of highly reactive polycondensates
    Patent number: 4788017
    Abstract: The homogeneity of highly reactive polycondensates is improved in a process involving batch operations in a reactor, followed by extrusion and then cooling by a coolant to the point of solidification after which the polycondensates are milled and removed. The cooling is carried out with a low-boiling liquified gas.
    Type: Grant
    Filed: August 27, 1987
    Date of Patent: November 29, 1988
    Assignee: Messer. Griesheim GmbH
    Inventors: Franz-Robert Schlomer, Wolfgang Volker, Hartwig Hupfer, Karl E. Ott, Bodo Muller