Patents by Inventor Krassimir Iordanov Doynov

Krassimir Iordanov Doynov 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).

  • Thermoplastic vulcanizate conduits for transporting hydrocarbon fluids
    Patent number: 11725098
    Abstract: A conduit, particularly flexible conduit comprises an inner tubular housing, at least one reinforcing layer at least partially disposed around the inner housing, an outer protective sheath at least partially disposed around the at least one reinforcing layer, and optionally a thermally insulating layer disposed between the at least one reinforcing layer and the outer protective sheath. At least one of the outer protective sheath and the thermally insulating layer comprises a thermoplastic vulcanizate composition.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: August 15, 2023
    Assignee: Celanese International Corporation
    Inventors: Andrew Takacs, Declan Noel Whelan, Antonios K. Doufas, Deborah Jean Davis, Robert Leslie Chidlow, Wanli Wang, Krishnan Anantha Narayana Iyer, Krassimir Iordanov Doynov, Xin Chen, Yuan-Ju Chen
  • Thermoplastic Vulcanizate Conduits for Transporting Hydrocarbon Fluids
    Publication number: 20200347209
    Abstract: A conduit, particularly flexible conduit comprises an inner tubular housing, at least one reinforcing layer at least partially disposed around the inner housing, an outer protective sheath at least partially disposed around the at least one reinforcing layer, and optionally a thermally insulating layer disposed between the at least one reinforcing layer and the outer protective sheath. At least one of the outer protective sheath and the thermally insulating layer comprises a thermoplastic vulcanizate composition.
    Type: Application
    Filed: September 14, 2018
    Publication date: November 5, 2020
    Inventors: Andrew Takacs, Declan Noel Whelan, Antonios K. Doufas, Deborah Jean Davis, Robert Leslie Chidlow, Wanli Wang, Krishnan Anantha Narayana Iyer, Krassimir Iordanov Doynov, Xin Chen, Yuan-Ju Chen