Patents by Inventor Keishla R. Rivera Dones

Keishla R. Rivera Dones 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).

  • Propylene-Rich Thermoplastic Vulcanizate Compositions and Articles
    Publication number: 20220325086
    Abstract: Thermoplastic vulcanizate compositions and articles exhibiting superior elastomeric performance and adhesive properties, and methods of making same are characterized by comprising a thermoplastic phase and a rubber phase. The thermoplastic phase comprises a thermoplastic polyolefin, and the rubber phase comprises an amorphous propylene-ethylene copolymer having: a Mn of from 20 kg/mol to 3,000 kg/mol, a Mw/Mn of 10.0 or lower, an ethylene percentage by weight of from about 2 wt. % to about 50 wt. %, a diene percentage by weight of from about 0 wt. % to about 21 wt. % and a heat of fusion of less than 5 J/g.
    Type: Application
    Filed: August 26, 2020
    Publication date: October 13, 2022
    Inventors: Antonios K. Doufas, Krishnan Anantha Narayana Iyer, Edward J. Blok, Narayanaswami Dharmarajan, Zhifeng Bai, Keishla R. Rivera Dones, Ron Walker, Sudhin Datta