Patents by Inventor Omar Al-Sayari

Omar Al-Sayari 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).

  • Gas phase polymerisation of ethylene
    Patent number: 10745495
    Abstract: The invention relates to a process for the production of polyethylene by gas phase polymerisation of ethylene in the presence of a supported chromium oxide based catalyst which is modified with an amino alcohol wherein the molar ratio of amino alcohol:chromium ranges between 0.5:1 and 1.5:1 wherein the support is silica having a surface area (SA) between 250 m2/g and 400 m2/g and a pore volume (PV) between 1.1 cm3/g and less than 2.0 cm3/g.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: August 18, 2020
    Assignee: SABIC Global Technologies B.V.
    Inventors: Orass Hamed, Vugar Aliyev, Omar Al-Sayari
  • GAS PHASE POLYMERISATION OF ETHYLENE
    Publication number: 20190016831
    Abstract: The invention relates to a process for the production of polyethylene by gas phase polymerisation of ethylene in the presence of a supported chromium oxide based catalyst which is modified with an amino alcohol wherein the molar ratio of amino alcohol:chromium ranges between 0.5:1 and 1.5:1 wherein the support is silica having a surface area (SA) between 250 m2/g and 400 m2/g and a pore volume (PV) between 1.1 cm3/g and less than 2.0 cm3/g.
    Type: Application
    Filed: January 19, 2017
    Publication date: January 17, 2019
    Inventors: Orass Hamed, Vugar Aliyev, Omar Al-Sayari