Patents by Inventor Axel Dieckmann

Axel Dieckmann 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 and apparatus for the microsuspension polymerization of vinyl chloride
    Patent number: 5981671
    Abstract: The invention relates to a process and an apparatus for the microsuspension polymerization of vinyl chloride in vessels whose contents are agitated predominantly by natural convection where, in a reactor having a ratio of height H to diameter D of H/D 2, which is equipped externally or internally with a heat exchanger provided with water and connected to a pumped circulation system provided with water, the introduction of the cooling water takes place in the upper third of the heat exchanger and the cooling water is conducted downward and is conducted away in the lower third of the heat exchanger.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: November 9, 1999
    Assignee: Vinnolit Kunststoff GmbH
    Inventors: Hardo Wiemer, Axel Dieckmann, Steffen Kunze, Oliver Mieden