Patents by Inventor Dieter Stoehr

Dieter Stoehr 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).

  • Manufacture of fibrids from polymers
    Patent number: 4219512
    Abstract: Manufacture of fibrids from polymers or copolymers containing fluorine in a fluid precipitation medium under the action of shearing forces.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: August 26, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Sinn, Otto Nagel, Bruno Sander, Eckhard Bonitz, Kurt Scherling, Hans D. Zettler, Dieter Stoehr, Heinz Berbner
  • Manufacture of thermoplastics fibrids
    Patent number: 4210615
    Abstract: A process for the manufacture of thermoplastics fibrids, in which a solution of the thermoplastics material is fed to an impulse exchange chamber, where it is cooled so as to cause precipitation of the thermoplastics material, while it is subjected to a field of turbulent shear forces caused by the introduction of a gaseous or liquid medium into the said impulse exchange chamber.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: July 1, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Engler, Otto Nagel, Leo Unterstenhofer, deceased, Hans Frielingsdorf, Heinz Berbner, Heinz Mueller-Tamm, Dieter Stoehr