Patents by Inventor Reiner Ollenik

Reiner Ollenik 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 production of free-flowing rubber powders with silicic acid as filler
    Patent number: 4771092
    Abstract: A process for the production of free-flowing rubber powders with silicic acid as filler comprises combining a rubber latex with silicic acid filler while stirring in the presence of specific auxiliary agents, adjusting the pH range of the mixture to cause coagulation, and separating and drying the resultant solids wherein the specific auxiliary agents comprise organic surfactants together with colloidal silicic acid.
    Type: Grant
    Filed: August 18, 1987
    Date of Patent: September 13, 1988
    Assignee: Huels Aktiengesellschaft
    Inventors: Reiner Ollenik, Walter Kleinert, Michael F. Mueller