Patents by Inventor Kyung Moo Shin

Kyung Moo Shin 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: 20220372215
    Abstract: The present invention relates to a polyester resin including a diester compound and anhydrosugar alcohol, and a method for preparing same. The polyester resin has excellent heat resistance and mechanical properties and also has excellent biodegradability, as specific amounts of diester components including a succinic acid diester compound and diol components including anhydrosugar alcohol are copolymerized.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 24, 2022
    Applicant: SAMYANG CORPORATION
    Inventors: Kyung Moo SHIN, Jun Seop IM, Hoon RYU
  • Patent number: 11453737
    Abstract: Polycarbonate block copolymers are provided, which have: (A) a polyester block of chemical formula 1; and (B) a polycarbonate block derived from a dihydric phenol of chemical formula 3 compound and phosgene. The copolymers may be prepared by (1) polymerizing ester oligomers to form a compound of chemical formula 1; and (2) copolymerizing the ester oligomer obtained in (1) with a polycarbonate oligomer prepared from a dihydric phenol compound of chemical formula 3 and phosgene, in the presence of a polymerization catalyst. The block copolymer may have a viscosity average molecular weight (Mv) of 10,000 to 200,000.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: September 27, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: Kyung Moo Shin, Jin Sik Choi, Young Do Kwon
  • Patent number: 10934431
    Abstract: Disclosed is a polycarbonate resin composition including (1) a polyester compound having a structure of chemical formula 1 as defined herein or a phenyl-arylene ether sulfone compound having a structure of chemical formula 2 as defined herein; (2) a polycarbonate block copolymer; and (3) a thermoplastic aromatic polycarbonate resin or a polysiloxane-polycarbonate resin; and a molded product including the same. The polycarbonate resin composition exhibits remarkably excellent heat resistance compared to existing high heat resistance polycarbonate resins, and has an excellent balance of physical properties such as fluidity.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: March 2, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Seung Pil Jung, Jung Up Park, Jin Sik Choi, Seong Hyen Heo, Kyung Moo Shin
  • Publication number: 20200291162
    Abstract: The present invention relates to a thermoplastic copolymer resin having excellent heat resistance and transparency and a process for producing the same. More specifically, the present invention relates to a thermoplastic copolymer resin which is obtained by copolymerizing an ester oligomer having a specific structure with a polycarbonate oligomer, exhibits remarkably excellent heat resistance, and has excellent physical property balance such as transparency, impact strength, fluidity, etc.; a method for producing the same; and a molded article comprising the same.
    Type: Application
    Filed: January 19, 2017
    Publication date: September 17, 2020
    Applicant: SAMYANG CORPORATION
    Inventors: Kyung Moo SHIN, Jin Sik CHOI, Young Do KWON
  • Patent number: 10696796
    Abstract: The present invention relates to a polysiloxane-polycarbonate copolymer having improved transparency and flame retardancy, and a method for producing the same. More specifically, the present invention relates to a polysiloxane having a specific structure having a side chain containing a randomly substituted hydroxyphenyl group, a polysiloxane-polycarbonate copolymer having the polysiloxane and a polycarbonate block as repeating units, exhibiting excellent flame retardancy and also excellent transparency, and a method for producing the same.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 30, 2020
    Assignees: SAMYANG CORPORATION, DAMIPOLYCHEM CO., LTD.
    Inventors: Kyung Moo Shin, Young Do Kwon
  • Publication number: 20200087509
    Abstract: The present invention relates to a polycarbonate resin composition having excellent heat resistance and fluidity, and a molded product including the same. More specifically, the present invention relates to a polycarbonate resin composition, and a molded product including the same, wherein the polycarbonate resin composition, by including a polycarbonate copolymer together with a compound having a specific structure and a specific resin, exhibits remarkably excellent heat resistance compared to existing high heat resistance polycarbonate resins, and has an excellent balance of physical properties such as fluidity.
    Type: Application
    Filed: November 10, 2017
    Publication date: March 19, 2020
    Applicant: SAMYANG CORPORATION
    Inventors: Seung Pil JUNG, Jung Up PARK, Jin Sik CHOI, Seong Hyen HEO, Kyung Moo SHIN
  • Publication number: 20180305499
    Abstract: The present invention relates to a polysiloxane-polycarbonate copolymer having improved transparency and flame retardancy, and a method for producing the same. More specifically, the present invention relates to a polysiloxane having a specific structure having a side chain containing a randomly substituted hydroxyphenyl group, a polysiloxane-polycarbonate copolymer having the polysiloxane and a polycarbonate block as repeating units, exhibiting excellent flame retardancy and also excellent transparency, and a method for producing the same.
    Type: Application
    Filed: October 14, 2016
    Publication date: October 25, 2018
    Applicants: SAMYANG CORPORATION, DAMIPOLYCHEM CO., LTD.
    Inventors: Kyung Moo SHIN, Young Do KWON
  • Patent number: 10081708
    Abstract: The present invention relates to a polycarbonate copolymer and a preparation method therefor and, more specifically, to a polycarbonate copolymer comprising a fluorene ester oligomer and a polycarbonate as polymerization units, and a preparation method therefor.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: September 25, 2018
    Assignee: SAMYANG CORPORATION
    Inventors: Kyung Moo Shin, So Ri Son, Mi Ran Kim, Ji Eun Kim
  • Publication number: 20180162994
    Abstract: The present invention relates to a polycarbonate copolymer and a preparation method therefor and, more specifically, to a polycarbonate copolymer comprising a fluorene ester oligomer and a polycarbonate as polymerization units, and a preparation method therefor.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 14, 2018
    Applicant: SAMYANG CORPORATION
    Inventors: Kyung Moo SHIN, So Ri SON, Mi Ran KIM, Ji Eun KIM
  • Patent number: 9062164
    Abstract: The present invention relates to a polysiloxane-polycarbonate copolymer and a method of manufacturing the same. More specifically, the present invention relates to a polysiloxane-polycarbonate copolymer in which the molecular weight of the siloxane monomer constituting the copolymer is maintained in a specifically high level and thus excellent low-temperature impact resistance can be achieved even with low siloxane content, and the viscosity of the copolymer is maintained in a low level and thus flowability and moldability can be improved; and a method of manufacturing the same.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: June 23, 2015
    Assignee: SAMYANG CORPORATION
    Inventors: Jae Hyun Kim, Kyung Moo Shin, Hong Chol Rhee, Yun Ju Chang, Sun Chul Jin
  • Publication number: 20140249280
    Abstract: The present invention relates to a polysiloxane-polycarbonate copolymer and a method of manufacturing the same. More specifically, the present invention relates to a polysiloxane-polycarbonate copolymer in which the molecular weight of the siloxane monomer constituting the copolymer is maintained in a specifically high level and thus excellent low-temperature impact resistance can be achieved even with low siloxane content, and the viscosity of the copolymer is maintained in a low level and thus flowability and moldability can be improved; and a method of manufacturing the same.
    Type: Application
    Filed: October 26, 2012
    Publication date: September 4, 2014
    Applicant: SAMYANG CORPORATION
    Inventors: Jae Hyun Kim, Kyung Moo Shin, Hong Chol Rhee, Yun Ju Chang, Sun Chul Jin
  • Patent number: 8802804
    Abstract: Provided are a hydroxy-terminated siloxane, a polysiloxane-polycarbonate copolymer including same as a repeating unit, and a preparation method thereof. The hydroxyl-terminated siloxane has the structure of chemical formula 1.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: August 12, 2014
    Assignee: Samyang Corporation
    Inventors: Sun Mi Kim, Jae Hyun Kim, Kyung Moo Shin, Sung Hwan Cho, Whan Gi Kim, Dong Wan Seo
  • Publication number: 20120309922
    Abstract: Provided are a hydroxy-terminated siloxane, a polysiloxane-polycarbonate copolymer including same as a repeating unit, and a preparation method thereof. The hydroxyl-terminated siloxane has the structure of chemical formula 1.
    Type: Application
    Filed: February 23, 2011
    Publication date: December 6, 2012
    Inventors: Sun Mi Kim, Jae Hyun Kim, Kyung Moo Shin, Sung Hwan Cho, Whan Gi Kim, Dong Wan Seo