Patents by Inventor Eun-Jung Choi

Eun-Jung Choi 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: 11332770
    Abstract: The present disclosure relates to a method for preparing a transfructosylated steviol glycoside using Arthrobacter-derived microorganisms, a culture thereof, a supernatant of the culture, an extract of the culture, and a lysate of the microorganisms.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 17, 2022
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Tae Joo Yang, In Sung Kang, Min Hoe Kim, Sunghee Park, Sun Chu, Seong Bo Kim, Young Mi Lee, Young Su Lee, Eun Jung Choi
  • Publication number: 20220095656
    Abstract: The present invention relates to a sweetening material composition and a method for preparing the same. Specifically, the present invention relates to a sweetening material composition including transglycosylation steviol glycosides and a method for preparing the same. The sweetening material composition of the present invention includes transglycosylated stevia and saccharides, and the saccharides include 5 to 90 parts by weight of an oligosaccharide having a degree of polymerization (DP) of 3 or more with respect to 100 parts by weight.
    Type: Application
    Filed: May 22, 2020
    Publication date: March 31, 2022
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Jung Eun KIM, Sun CHU, Sung Hee PARK, Seong Bo KIM, Eun Jung CHOI
  • Publication number: 20220040171
    Abstract: A composition for preventing and/or treating cytokine release syndrome and a method of prevention and/or treatment of cytokine release syndrome are disclosed. The composition includes an aryl ethene compound, a pharmaceutically acceptable salt thereof, or a solvate thereof, as an active ingredient. The method includes administering the aryl ethene compound, an isomer, a pharmaceutically acceptable salt thereof, or a solvate thereof, in an effective amount to a subject in need thereof. The cytokine release syndrome may be caused by virulent infection. The administration of the compound reduces the pre-inflammatory cytokine levels in the subject.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 10, 2022
    Applicant: NovMetaHealth Co., Ltd
    Inventors: In-Kyu LEE, Jae-Han JEON, Dipanjan CHANDA, Eun Jung CHOI, Hoe-Yune JUNG, Heon Jong LEE
  • Publication number: 20220002770
    Abstract: Provided are a novel fructose-C4-epimerase and a method of producing tagatose using the same.
    Type: Application
    Filed: August 23, 2019
    Publication date: January 6, 2022
    Inventors: Young Mi LEE, II Hyang PARK, Seong Bo KIM, Seung Won PARK, Eun Jung CHOI
  • Publication number: 20210363532
    Abstract: Provided are a tagatose-bisphosphate aldolase variant having tagatose conversion activity, and a method of preparing tagatose using the same.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 25, 2021
    Inventors: Young Mi LEE, Eul-Soo PARK, II Hyang PARK, Sun Mi SHIN, Sung Jae YANG, Ran Young YOON, Eun Jung CHOI, Seong Bo KIM, Seung Won PARK
  • Publication number: 20210363533
    Abstract: Provided are a fructose-4-epimerase variant having tagatose conversion activity, and a method of preparing tagatose using the same.
    Type: Application
    Filed: September 27, 2019
    Publication date: November 25, 2021
    Inventors: Young Mi LEE, Eul-Soo PARK, II Hyang PARK, Sun Mi SHIN, Sung Jae YANG, Ran Young YOON, Eun Jung CHOI, Seong Bo KIM, Seung Won PARK
  • Patent number: 11180785
    Abstract: Provided are a composition for producing tagatose, comprising fructose-4-epimerase, and a method of producing tagatose using the same.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: November 23, 2021
    Assignee: CJ CheilJedang Corporation
    Inventors: Sungjae Yang, Young Mi Lee, Il Hyang Park, Hyun Kug Cho, Seong Bo Kim, Chan Hyoung Lee, Eun Jung Choi
  • Publication number: 20210356275
    Abstract: A method of determining a precise orbit of a satellite through estimation of a parallactic refraction scale factor is proposed, the method including inputting an initial estimate including initial orbit information of a satellite with respect to an observation epoch and the parallactic refraction scale factor; performing orbit propagation using a high-precision orbit propagator by applying a dynamics model; performing observer-centered satellite optical observation modeling including the parallactic refraction scale factor; calculating an observation residual between actual optical observation data and observation data calculated via the observation modeling reflecting the parallactic refraction; and precisely determining the orbit of the satellite by estimating the parallactic refraction scale factor and a satellite state vector using a batch least square estimation algorithm.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 18, 2021
    Inventor: Eun Jung Choi
  • Patent number: 11104785
    Abstract: Provided is a thermoplastic resin composition that includes: a first copolymer including an unit derived from an aromatic vinyl-based monomer and an unit derived from a vinyl cyan-based monomer; a second copolymer having a refractive index of 1.51 to 1.53 and including an unit derived from an alkyl (meth)acrylate-based monomer, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer; and a third copolymer including a conjugated diene-based polymer with an average particle diameter of 0.05 to 0.15 ?m, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer, and can be used for producing a molded article capable of realizing selective transmittance.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: August 31, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Byoung Il Kang, Eun Jung Choi
  • Publication number: 20210261939
    Abstract: The present disclosure relates to novel D-psicose 3-epimerase and a method for producing psicose using the same.
    Type: Application
    Filed: November 15, 2018
    Publication date: August 26, 2021
    Applicant: CJ CheilJedang Corporation
    Inventors: Su Jin Kim, Young Mi Lee, Yang Hee Kim, Seong Bo Kim, Seung Won Park, Eun Jung Choi
  • Patent number: 11084805
    Abstract: Provided is a novel compound derived from allulose and a composition comprising the same and having acid resistance.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: August 10, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Min Hoe Kim, Young Mi Lee, In Sung Kang, Seong Bo Kim, Taek Beom Kim, Sung Bae Byun, Eun Jung Choi, Jong Min Choi
  • Publication number: 20210238407
    Abstract: The present invention provides a thermoplastic resin composition which includes: a first copolymer including a core including a conjugated diene-based polymer and a shell including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit; and a second copolymer including an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit, wherein the first copolymer has a degree of grafting of 32 to 50%, the second copolymer has a weight-average molecular weight of 85,000 to 115,000 g/mol, and the thermoplastic resin composition includes the first copolymer at 30 wt % or less and an oligomer residue at 1.1 wt % or less. Specifically, the thermoplastic resin composition can shorten an injection molding time.
    Type: Application
    Filed: September 11, 2019
    Publication date: August 5, 2021
    Inventors: Seo Hwa KIM, Byoung Il KANG, Eun Jung CHOI, Taek Jun JUNG, Jeong In CHO, Dong Kun SHIN
  • Patent number: 11028420
    Abstract: The present application relates to a method for producing D-psicose, the method comprising the steps of: putting a composition containing a D-psicose borate complex into a chromatography comprising divalent cations; and separating the composition containing the D-psicose borate complex into a D-psicose-containing fraction (i) and a borate-containing fraction (ii).
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: June 8, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Min Hoe Kim, Joo Hang Lee, Hye Jin Jo, Seong Bo Kim, Yang Hee Kim, Jung Eun Kim, Seung Won Park, Eun Jung Choi
  • Publication number: 20200383364
    Abstract: The present disclosure relates to a method for preparing a transglucosylated steviol glycoside using a crude enzyme liquid of a Lactobacillus mali strain.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 10, 2020
    Inventors: Tae Joo YANG, Young Mi LEE, In Sung KANG, Sunghee PARK, Young Su LEE, Sun CHU, Seong Bo KIM, Eun Jung CHOI
  • Publication number: 20200377488
    Abstract: Provided is a novel compound derived from allulose and a composition comprising the same and having acid resistance.
    Type: Application
    Filed: August 2, 2019
    Publication date: December 3, 2020
    Inventors: Min Hoe KIM, Young Mi LEE, In Sung KANG, Seong Bo KIM, Taek Beom KIM, Sung Bae BYUN, Eun Jung CHOI, Jong Min CHOI
  • Publication number: 20200291443
    Abstract: The present disclosure relates to a method for preparing a transfructosylated steviol glycoside using Arthrobacter-derived microorganisms, a culture thereof, a supernatant of the culture, an extract of the culture, and a lysate of the microorganisms.
    Type: Application
    Filed: October 25, 2018
    Publication date: September 17, 2020
    Applicant: CJ Cheiljedang Corporation
    Inventors: Tae Joo Yang, In Sung Kang, Min Hoe Kim, Sunghee Park, Sun Chu, Seong Bo Kim, Young Mi Lee, Young Su Lee, Eun Jung Choi
  • Publication number: 20200291213
    Abstract: Provided is a thermoplastic resin composition that includes: a first copolymer including an unit derived from an aromatic vinyl-based monomer and an unit derived from a vinyl cyan-based monomer; a second copolymer including an unit derived from an alkyl (meth)acrylate-based monomer, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer; a third copolymer including a conjugated diene-based polymer with an average particle diameter of 0.25 to 0.35 ?m, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer; and a fourth copolymer including a conjugated diene-based polymer with an average particle diameter of 0.05 to 0.15 ?m, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer, and can be used for producing a molded article exhibiting excellent basic properties while being capable of realizing selective transmittance.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 17, 2020
    Inventors: Byoung Il KANG, Eun Jung CHOI, Da Eun SUNG
  • Publication number: 20200263217
    Abstract: The present disclosure relates to a composition for producing tagatose comprising a protein having fructose-4-epimerase activity and a method for producing tagatose using the same.
    Type: Application
    Filed: August 31, 2018
    Publication date: August 20, 2020
    Inventors: Young Mi LEE, II Hyang PARK, Sun Mi SHIN, Sungjae YANG, Hyun Kug CHO, Seong Bo KIM, Eun Jung CHOI
  • Patent number: 10717859
    Abstract: The present invention relates to a composition for preparing a SAN copolymer, a SAN copolymer, a preparation method therefor, a heat-resistant ABS resin blend comprising the same, and heat-resistant ABS pellets. Specifically, the present invention provides a composition for preparing a SAN copolymer, the composition comprising a monomer mixture, and ethylene glycol dimethacrylate as a chain extender, wherein the monomer mixture comprises 60 to 75 wt % of an ?-methylstyrene monomer and 25 to 40 wt % of an acrylonitrile-based monomer based on the total weight of the monomer mixture; and the ethylene glycol dimethacrylate is contained in an amount of 0.001 to 0.15 parts by weight based on 100 parts by weight of the monomer mixture.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 21, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Gyu Sun Kim, Chang Hun Han, Dae Woo Lee, Jae Bum Seo, Jung Tae Park, Eun Jung Choi, Byoung Il Kang, Da Eun Sung
  • Publication number: 20200216653
    Abstract: Provided is a thermoplastic resin composition that includes: a first copolymer including an unit derived from an aromatic vinyl-based monomer and an unit derived from a vinyl cyan-based monomer; a second copolymer having a refractive index of 1.51 to 1.53 and including an unit derived from an alkyl (meth)acrylate-based monomer, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer; and a third copolymer including a conjugated diene-based polymer with an average particle diameter of 0.05 to 0.15 ?m, an unit derived from an aromatic vinyl-based monomer, and an unit derived from a vinyl cyan-based monomer, and can be used for producing a molded article capable of realizing selective transmittance.
    Type: Application
    Filed: March 19, 2019
    Publication date: July 9, 2020
    Inventors: Byoung Il KANG, Eun Jung CHOI