Patents by Inventor Gernot Loehnert

Gernot Loehnert 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).

  • Wood preserving impregnating oil and use thereof
    Patent number: 4718943
    Abstract: A wood preserving impregnating oil with improved leaching, evaporation, and exudation characteristics comprised of:10-100 weight % of coal conversion oil,0-90 weight % of coal tar impregnating oil,0-75 weight % of mineral oil fraction in the boiling range of 200.degree.-400.degree. C.,0-60 weight % of alkyl- or cycloalkyl-substituted aromatics with 2 to 4 rings.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: January 12, 1988
    Assignee: Verkaufsgesellschaft fuer Teererzeugnisse (VfT)
    Inventors: Arnold Alscher, Gernot Loehnert