Patents by Inventor Joon-Ryeo Park

Joon-Ryeo Park 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: 20180169642
    Abstract: The present disclosure relates to a catalyst system for ethylene oligomerization and a method for producing ethylene oligomerization using the same and more particularly, to a catalyst system for ethylene oligomerization including a transition metal or transition metal precursor with a new structure, a ligand with a backbone structure expressed by the following Chemical Formula 1 or Chemical Formula 2, and a co-catalyst for providing an ethylene oligomer and a method for producing ethylene oligomerization using the same. [Chemical Formula 1] R1—OC(?O)—Y1—C(?O)OR2 Herein, R1, R2 are each independently hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, or substituted heterohydrocarbyl, and Y1 represents a group connecting CO(?O).
    Type: Application
    Filed: December 8, 2017
    Publication date: June 21, 2018
    Inventors: Chun Byung YANG, Joon Ryeo PARK
  • Publication number: 20180155461
    Abstract: The present disclosure relates to a solid catalyst for propylene polymerization and a process for manufacture of a propylene polymer or copolymer using the solid catalyst, and provides a solid catalyst including carriers produced via a reaction between dialkoxy magnesium and metal halide, titanium halide, an organic electron donor, etc. and a process of manufacture of a propylene-based block copolymer via copolymerization of propylene-?-olefin using the solid catalyst. Particularly, internal electron donors including an ester group and an alkoxy group are used as two kinds of organic electron donors used in the present disclosure, and, thus, a block copolymer having high activity and excellent stereoregularity and a high rubber content via copolymerization with ?-olefin can be produced using a solid catalyst system suggested in the present disclosure.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 7, 2018
    Inventors: Young Joo LEE, Su Min KO, Joon Ryeo PARK, EUN-IL KIM
  • Publication number: 20170114199
    Abstract: The provided is an olefin (co)polymerization catalyst with an excellent catalyst activity, wherein the catalyst component is prepared by using a metallocene compound and titanocene compound or a half-titanocene compound so as to provide polyolefins having a high molecular weight and a low melt index, and also a method for olefin (co)polymerization using said catalyst.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Inventors: Chun Byung YANG, Joon Ryeo PARK
  • Publication number: 20170015770
    Abstract: The provided is an olefin (co)polymerization catalyst with an excellent catalyst activity, wherein the catalyst component is prepared by using a metallocene compound and titanocene compound or a half-titanocene compound so as to provide polyolefins having a high molecular weight and a low melt index, and also a method for olefin (co)polymerization using said catalyst.
    Type: Application
    Filed: September 29, 2016
    Publication date: January 19, 2017
    Inventors: Chun Byung YANG, Joon Ryeo PARK
  • Patent number: 9109056
    Abstract: Provided is a method of preparation of a spherical support for an olefin polymerization catalyst. Specifically, provided is a method of preparation of a support which can be used in preparation of an olefin polymerization catalyst, wherein, MgX(I) (X=halogen atom) is prepared by reacting a reaction initiator, nitrogen halide, and magnesium metal, and then magnesium metal and alcohol are reacted in the presence of the MgX, thereby resulting a smooth-surfaced spherical dialkoxy magnesium support having a uniform particle size distribution.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Eun-Il Kim, Young-Joo Lee, Hoe-Chul Jung, Joon-Ryeo Park
  • Patent number: 9062135
    Abstract: Disclosed is a method for preparing a solid catalyst for propylene polymerization, specifically to a method for preparing a solid catalyst for propylene polymerization which can produce a polypropylene having high melt flow rate, a wide molecular distribution and excellent stereoregularity with a high production yield.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: June 23, 2015
    Assignee: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull Kim, Joon Ryeo Park, Eun Il Kim, Jin Woo Lee
  • Patent number: 9045572
    Abstract: Disclosed are a method for preparing a solid catalyst for propylene polymerization and a catalyst prepared thereby. Specifically, disclosed are a method for preparing a solid catalyst for propylene polymerization which can prepare polypropylene having excellent stereoregularity with a high production yield by using silane compounds and bicycloalkanedicarboxylate or bicycloalkenedicarboxylate as an internal electron donor, and a catalyst prepared thereby method for preparing polypropylene using the same.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: June 2, 2015
    Assignee: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull Kim, Jin Woo Lee, Eun Il Kim, Joon Ryeo Park
  • Patent number: 9034781
    Abstract: Provided are a solid catalyst for propylene polymerization and a method for preparing the same, specifically a solid catalyst for propylene polymerization which does not contain any environmentally harmful material and can produce a polypropylene having excellent stereoregularity with a high production yield, and a method for preparing the catalyst.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: May 19, 2015
    Assignee: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull Kim, Jin Woo Lee, Eun Il Kim, Joon Ryeo Park
  • Publication number: 20140303332
    Abstract: The provided is an olefin (co)polymerization catalyst with an excellent catalyst activity, wherein the catalyst component is prepared by using a metallocene compound and titanocene compound or a half-titanocene compound so as to provide polyolefins having a high molecular weight and a low melt index, and also a method for olefin (co)polymerization using said catalyst.
    Type: Application
    Filed: June 21, 2012
    Publication date: October 9, 2014
    Inventors: Chun Byung Yang, Joon Ryeo Park
  • Patent number: 8664142
    Abstract: Disclosed is a method for preparing a solid catalyst for propylene polymerization, specifically to a method for preparing a solid catalyst for propylene polymerization which can produce a polypropylene having high melt flow rate, a wide molecular distribution and excellent stereoregularity with a high production yield.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: March 4, 2014
    Assignee: Samsung Total Petrochemicals Co., Ltd.
    Inventors: Sang Yull Kim, Joon Ryeo Park, Eun Il Kim, Jin Woo Lee
  • Publication number: 20140005345
    Abstract: Provided are a solid catalyst which includes an internal electron donor mixture including at least one selected from bicycloalkane dicarboxylates and bicycloalkene dicarboxylates, and benzene 1,2-dicarboxylic acid ester, and can produce a polypropylene having excellent stereoregularity and melt flowability with a high catalytic activity, and a method for preparing polypropylene using the catalyst.
    Type: Application
    Filed: June 18, 2013
    Publication date: January 2, 2014
    Inventors: Sang Yull KIM, Eun Il KIM, Joon Ryeo PARK
  • Publication number: 20140005038
    Abstract: Disclosed is a method for preparing a solid catalyst for propylene polymerization, specifically to a method for preparing a solid catalyst for propylene polymerization which can produce a polypropylene having high melt flow rate, a wide molecular distribution and excellent stereoregularity with a high production yield.
    Type: Application
    Filed: September 3, 2013
    Publication date: January 2, 2014
    Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull KIM, Joon Ryeo PARK, Eun Il KIM, Jin Woo LEE
  • Publication number: 20130237406
    Abstract: Provided are a solid catalyst for propylene polymerization and a method for preparing the same, specifically a solid catalyst for propylene polymerization which does not contain any environmentally harmful material and can produce a polypropylene having excellent stereoregularity with a high production yield, and a method for preparing the catalyst.
    Type: Application
    Filed: September 2, 2011
    Publication date: September 12, 2013
    Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull Kim, Jin Woo Lee, Eun Il Kim, Joon Ryeo Park
  • Publication number: 20130150538
    Abstract: The provided are a method for preparing a spherical support for a catalyst for olefin polymerization and a solid catalyst prepared using the support, and a propylene polymer obtained by using the solid catalyst. Specifically, a method for preparing a spherical support which can be used for preparation of a propylene polymerization catalyst, particularly a dialkoxy magnesium support, comprising reacting metal magnesium and an alcohol in the presence of a halogenated nitrogen compound as a reaction initiator and adjusting the initial reaction temperature to the range of 20-25° C. and the aging temperature to the range of 55-65° C.; a solid catalyst for olefin polymerization prepared by using the above-obtained support; and a propylene polymer having a high bulk density prepared by using the above-obtained catalyst are provided.
    Type: Application
    Filed: October 1, 2010
    Publication date: June 13, 2013
    Inventors: Eun Il Kim, Jong Sik Kim, Young Joo Lee, Joon Ryeo Park
  • Patent number: 8435913
    Abstract: Provided are a catalyst for polymerization of propylene and a method for polymerization of propylene using the same. Specifically, provided are a catalyst for propylene polymerization which comprises titanium tetrachloride, an internal electron donor, and dialkoxy magnesium particles, as a carrier, obtained from the reaction of a halogen compound or nitrogen-halogen compound as a reaction initiator, metal magnesium and an alcohol, and a method for propylene polymerization using the same.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 7, 2013
    Assignee: Samsung Total Petrochemicals Co., Ltd.
    Inventors: Eun-Il Kim, Young-Joo Lee, Hoe-Chul Jung, Joon-Ryeo Park
  • Patent number: 8394734
    Abstract: Provided are a solid catalyst for propylene polymerization which includes titanium, magnesium, halogen and an internal electron donor mixture of two or more compounds wherein the internal electron donor mixture includes at least one selected from the bicycloalkanes or bicycloalkenes and at least one selected from diethers and succinates, and a method for preparing propylene using the same. As disclosed, it is possible to prepare polypropylene having an excellent stereoregularity with a high production yield.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: March 12, 2013
    Assignee: Samsung Total Petrochemicals Co., Ltd.
    Inventors: Sang Yull Kim, Jin Woo Lee, Eun Il Kim, Joon Ryeo Park
  • Publication number: 20130017946
    Abstract: Disclosed are a method for preparing a solid catalyst for propylene polymerization and a catalyst prepared thereby. Specifically, disclosed are a method for preparing a solid catalyst for propylene polymerization which can prepare polypropylene having excellent stereoregularity with a high production yield by using silane compounds and bicycloalkanedicarboxylate or bicycloalkenedicarboxylate as an internal electron donor, and a catalyst prepared thereby method for preparing polypropylene using the same.
    Type: Application
    Filed: December 30, 2010
    Publication date: January 17, 2013
    Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull Kim, Jin Woo Lee, Eun Il Kim, Joon Ryeo Park
  • Publication number: 20120277389
    Abstract: Provided are a solid catalyst for propylene polymerization which includes titanium, magnesium, halogen and an internal electron donor mixture of two or more compounds wherein the internal electron donor mixture includes at least one selected from the bicycloalkanes or bicycloalkenes and at least one selected from diethers and succinates, and a method for preparing propylene using the same. As disclosed, it is possible to prepare polypropylene having an excellent stereoregularity with a high production yield.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull KIM, Jin Woo LEE, Eun Il KIM, Joon Ryeo PARK
  • Publication number: 20120264593
    Abstract: Disclosed is a method for preparing a solid catalyst for propylene polymerization, specifically to a method for preparing a solid catalyst for propylene polymerization which can produce a polypropylene having high melt flow rate, a wide molecular distribution and excellent stereoregularity with a high production yield.
    Type: Application
    Filed: October 1, 2010
    Publication date: October 18, 2012
    Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull Kim, Joon Ryeo Park, Eun Il Kim, Jin Woo Lee
  • Publication number: 20120172551
    Abstract: A solid catalyst for propylene polymerization includes titanium, magnesium, halogen and a maleate compound as an internal electron donor. A method for preparing propylene using the catalyst is also described. According to the present invention, it is possible to prepare polypropylene having a wide molecular weight distribution.
    Type: Application
    Filed: November 15, 2011
    Publication date: July 5, 2012
    Applicant: SAMSUNG TOTAL PETROCHEMICALS CO., LTD.
    Inventors: Sang Yull KIM, Jin Woo LEE, Eun Il KIM, Joon Ryeo PARK