Patents by Inventor Jihean Lee

Jihean Lee 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).

  • Patent number: 11236241
    Abstract: A composition comprising the following: A) coated polymer particles, and wherein the polymer particles are formed from a first composition comprising an ethylene-based polymer that comprises the following properties: a density from 0.854 to 0.860 g/cc, and a melt index (I2) from 4.0 to 15.0 g/10 min; and wherein the polymer particles comprise a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate and/or a polymer powder, and wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0; B) optionally, a propylene-based polymer.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: February 1, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Jeffrey C. Munro, Jihean Lee, Morgan M. Hughes
  • Publication number: 20210062018
    Abstract: A composition comprising the following: A) coated polymer particles, and wherein the polymer particles are formed from a first composition comprising an ethylene-based polymer that comprises the following properties: a density from 0.854 to 0.860 g/cc, and a melt index (I2) from 4.0 to 15.0 g/10 min; and wherein the polymer particles comprise a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate and/or a polymer powder, and wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0; B) optionally, a propylene-based polymer.
    Type: Application
    Filed: September 7, 2018
    Publication date: March 4, 2021
    Inventors: Jeffrey Munro, Jihean Lee, Morgan M. Hughes
  • Patent number: 10927243
    Abstract: A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt % to 50 wt % of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt % to 90 wt % of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm3 to 0.910 g/cm3, and (c) optionally, from 30 wt % to 70 wt % of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm3 to 0.900 g/cm3.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 23, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Colin Li Pi Shan, Jihean Lee, Raymond L. Laakso, Jr., Yushan Hu, Eddy I. Garcia-Meitin
  • Patent number: 10870746
    Abstract: Embodiments relate to compositions comprising: (a) from 60 wt % to 90 wt % of a propylene polymer base that has a melt flow rate from 2 g/10 min to 100 g/10 min according to ASTM D1238 (230° C./2.16 kg); (b) from 2 wt % to 39.5 wt % of an olefin block copolymer; and (c) from 0.5 wt % to 20 wt % of a composite component comprising a crystalline block composite or a block composite. In certain embodiments, the composition may further comprise: (d) from 1 wt % to 30 wt % a polyolefin copolymer, the polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min according to ASTM D1238 (190° C./2.16 kg), and having a density from 0.860 g/cc to 0.900 g/cc. In further embodiments, the composition may further comprise: (e) from 0.1 wt % to 5 wt % of an antioxidant.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: December 22, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Colin Li Pi Shan, Jihean Lee, Raymond L. Laakso, Jr., Eddy I. Garcia-Meitin, Yushan Hu
  • Publication number: 20190218383
    Abstract: Embodiments relate to compositions comprising: (a) from 60 wt % to 90 wt % of a propylene polymer base that has a melt flow rate from 2 g/10 min to 100 g/10 min according to ASTM D1238 (230° C./2.16 kg); (b) from 2 wt % to 39.5 wt % of an olefin block copolymer; and (c) from 0.5 wt % to 20 wt % of a composite component comprising a crystalline block composite or a block composite. In certain embodiments, the composition may further comprise: (d) from 1 wt % to 30 wt % a polyolefin copolymer, the polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min according to ASTM D1238 (190° C./2.16 kg), and having a density from 0.860 g/cc to 0.900 g/cc. In further embodiments, the composition may further comprise: (e) from 0.1 wt % to 5 wt % of an antioxidant.
    Type: Application
    Filed: September 11, 2017
    Publication date: July 18, 2019
    Inventors: Colin Li Pi Shan, Jihean Lee, Raymond L. Laakso, Jr., Eddy I. Garcia-Meitin, Yushan Hu
  • Publication number: 20190055386
    Abstract: A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt % to 50 wt % of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt % to 90 wt % of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm3 to 0.910 g/cm3, and (c) optionally, from 30 wt % to 70 wt % of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm3 to 0.900 g/cm3.
    Type: Application
    Filed: March 31, 2017
    Publication date: February 21, 2019
    Inventors: Colin Li Pi Shan, Jihean Lee, Raymond L. Laakso, Jr., Yushan Hu, Eddy I. Garcia-Meitin