Patents by Inventor Markus Kupetz

Markus Kupetz 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).

  • Mixtures of copolymers having an improved lubricating action
    Patent number: 6281292
    Abstract: The invention relates to mixtures comprising A) from 10 to 90% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from olefinically unsaturated, hydroxyl-containing compounds, and B) from 90 to 10% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from vinyl esters, olefinically unsaturated ethers and/or acrylates.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: August 28, 2001
    Assignee: Clariant GmbH
    Inventors: Matthias Krull, Werner Reimann, Markus Kupetz