Patents by Inventor Vyacheslav Zheleznyakov

Vyacheslav Zheleznyakov 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 FOR RECOVERING BITUMEN FROM ROOFING WASTE
    Publication number: 20130313344
    Abstract: Collected roofing waste, derived on-stream of old roof renovation process, exposure cold grinding with sequential separation to extract layers of bitumen from old roofing membrane. Extracted bitumen layers in crumbs are subjected to thermo dehydration and recovering by injection of volatile and modifier compounds.
    Type: Application
    Filed: April 17, 2013
    Publication date: November 28, 2013
    Inventors: Yuriy Nykulin, Yulia Gordeeva, Vyacheslav Zheleznyakov