Patents by Inventor Seungyeol Han

Seungyeol Han 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).

  • Supported metallocene catalyst composition and a process for the preparation of polyolefin using the same
    Patent number: 8399375
    Abstract: The invention relates to a supported metallocene catalyst composition and a process for the preparation of polyolefin using the same. A supported metallocene catalyst composition according to the invention is prepared by bringing a compound of a group IV transition metal into contact with an inorganic or organic porous carrier treated with an ionic compound. Advantages of a supported metallocene catalyst composition of the invention include an increase in the catalyst activity during polymerization of slurry and an olefin compound in the vapor phase even at a low content of metallocene metal components within the carrier, and an improvement in solving process problems such as fouling, sheeting, plugging or the like.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: March 19, 2013
    Assignees: SK Global Chemical Co., Ltd., SK Innovation Co., Ltd.
    Inventors: Seungyeol Han, Myungahn Ok, Young-Soo Ko, Chang-il Lee
  • Metallocene Supported Catalyst Composition and a Process for the Preparation of Polyolefin Using the Same
    Publication number: 20110105705
    Abstract: The invention relates to a metallocene supported catalyst composition and a process for the preparation of polyolefin using the same. A metallocene supported catalyst composition according to the invention is prepared by bringing a compound of a group IV transition metal into contact with an inorganic or organic porous carrier treated with an ionic compound. Advantages of a metallocene supported catalyst composition of the invention include an increase in the catalyst activity during polymerization of slurry and an olefin compound in the vapor phase even at a low content of metallocene metal components within the carrier, and an improvement in solving process problems such as fouling, sheeting, plugging or the like.
    Type: Application
    Filed: March 26, 2009
    Publication date: May 5, 2011
    Applicant: SK ENERGY CO., LTD.
    Inventors: Seungyeol Han, Myungahn Ok, Young-Soo Ko, Chang-il Lee