Patents by Inventor Chi L. Kuo

Chi L. Kuo 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).

  • Publication number: 20240092947
    Abstract: The present disclosure relates to supported catalyst systems for olefin polymerization, catalyst system precursors, methods of producing the precursors and catalyst systems and polyolefins formed from the catalyst systems.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 21, 2024
    Inventors: Lubin LUO, Francis C. RIX, Kevin A. Stevens, Chi-l KUO, Xiaodan ZHANG, Jacqueline A. LOVELL, Charles J. HARLAN, Xuan YE, Brian R. BERG
  • Publication number: 20240066514
    Abstract: Processes for making and using slurry catalyst mixtures. In some embodiments, the process for making the slurry catalyst mixture can include introducing a mineral oil into a vessel. The mineral oil can be heated to a temperature of about 60° C. to about 80° C. to produce a heated mineral oil. A moisture concentration of the heated mineral oil can be reduced to produce a dried mineral oil. Catalyst particles can be introduced into the dried mineral oil to produce a mixture. The mixture can be agitated for at least 2 hours to remove at least a portion of any gas present within pores of the catalyst particles to produce the slurry catalyst mixture. The slurry catalyst mixture can be free of or include ?1 wt % of any wax having a melting point, at atmospheric pressure, of ?25° C., based on a total weight of the slurry catalyst mixture.
    Type: Application
    Filed: March 1, 2022
    Publication date: February 29, 2024
    Inventors: Valentin P. MUNOZ, Ryan W. IMPELMAN, Christian T. LUND, Chi-l KUO
  • Publication number: 20220056168
    Abstract: The present disclosure provides processes for polymerizing olefin(s). Methods can include combining a catalyst component slurry with a catalyst component solution to form a third catalyst composition and introducing the third composition into a polymerization reactor. The present disclosure further provides methods for preparing catalyst component slurries, catalyst component solutions, and the third catalyst compositions. In at least one embodiment, a method includes contacting a first composition and a second composition in a line to form a third composition, the first composition including a contact product of a first catalyst, a second catalyst, a support, an activator, a mineral oil, and a wax, and the second composition comprising a contact product of an activator, a diluent, and the first catalyst or second catalyst.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 24, 2022
    Inventors: Joshua P. Olson, Chi-l Kuo, Charles J. Harlan, Kevin A. Stevens, Justin A. Federici
  • Publication number: 20030027956
    Abstract: The present invention relates to a composition of carboxylate metal salt and a flow improver useful in combination with a polymerization catalyst to improve the flowability and bulk density of the catalyst. The invention also relates to a polymerization process using the catalyst.
    Type: Application
    Filed: September 24, 2002
    Publication date: February 6, 2003
    Inventors: Agapios K. Agapiou, Chi-l Kuo
  • Patent number: 5591242
    Abstract: A smoke processor including a housing having a recess, an exhaust fan arranged with the housing, a filter mounted within the housing and located above the exhaust fan, a smoke processing container fitted in the recess of the housing, a flexible pipe connecting the smoke processing container with the filter, a cigarette lighter mounted in the smoke processing container, a linking rod having an upper end pivotally connected with the smoke processing container, a rotating disc rotatably connected with a lower end of the linking rod, and a fixed disc engaged with the rotating disc and mounted within the housing, whereby the smoke exhaled by the smoker can be effectively purified thus preventing air pollution,
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: January 7, 1997
    Inventor: Chi L. Kuo