Patents by Inventor Zdenek Krulis

Zdenek Krulis 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).

  • Method of recycling of commingled plastics waste to tough thermoplastic materials
    Publication number: 20060058461
    Abstract: The application concerns the method of recycling commingled plastics waste containing min. 30 wt. % of polyolefins to a tough thermoplastic material. The method is based on the compatibilization of the polymer components of commingled plastics waste with an admixture of 2-15 wt. % of an ethylene—propylene copolymer or a styrene—butadiene block copolymer or a combination of an ethylene—propylene copolymer and a styrene—butadiene copolymer in any weight ratio, together with 0.1-2.5 wt. % of a secondary aromatic amine and by subsequent blend processing in the melt.
    Type: Application
    Filed: October 27, 2003
    Publication date: March 16, 2006
    Inventors: Zdenek Krulis, Danuse Michalkova, Ivan Fortelny, Zdenek Horak