Patents by Inventor László Lajos OPRA

László Lajos OPRA 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).

  • RECYCLING OF VULCANIZED RUBBER PRODUCTS
    Publication number: 20210054166
    Abstract: The invention relates to a process for recycling used rubber product, such as tires and/or other rubber products, containing the step of treating the rubber grind obtained by grinding the used rubber products, in the presence of a weak base and butadiene/styrene copolymer as well one or more additives to a shear stress of at least 15 to 25 MPa. The invention relates furthermore to re-vulcanizable re-rubber blend obtained by the process according to the invention and also to the tires and other rubber products obtained by vulcanizing thereof.
    Type: Application
    Filed: June 6, 2018
    Publication date: February 25, 2021
    Inventors: László Lajos OPRA, József SZABÓ, László KOVÁCS