Patents by Inventor Rudolf Nowack

Rudolf Nowack 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 improving the processing properties of powdery polyolefins
    Patent number: 4248819
    Abstract: The invention relates to a process for improving the processing properties of powdery polyolefins. It is endeavored by this process to obtain a polyolefin powder which can be processed on screw extruders to an almost bubble-free product.The polyolefin powder is heated to a temperature of between 40.degree. C. and its melting point and introduced into a gap between two gap-forming elements. In this gap, the powder is compressed with a pressure of from 0.1 to 10 t per cm of gap length, and the powder so compressed is then comminuted.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: February 3, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Mayer, Gerhard Noltner, Rudolf Nowack, Wolfgang Strobel