Patents Assigned to Samyang Corporation
  • Patent number: 11358980
    Abstract: The present invention relates to a method for effectively utilizing fructose raffinate obtained in the process for separating psicose conversion product with a high purity chromatography in the process for preparing psicose, and more specifically, it is utilized for preparation of fructose-containing raw material solution for preparation of psicose by putting fructose raffinate obtained in the process for preparing psicose into the process for preparing fructose.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: June 14, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: Ji Won Park, Sung Won Park, Chong Jin Park
  • Publication number: 20220177636
    Abstract: The present invention relates to a polyol composition comprising anhydrosugar alcohols and an anhydrosugar alcohol polymer and, more specifically, to a polyol composition comprising a monoanhydrosugar alcohol, a dianhydrosugar alcohol, and a polymer of a monoanhydrosugar alcohol and/or a dianhydrosugar alcohol, the polyol composition being usable in various fields since the physical property conditions of the composition, such as number average molecular weight (Mn), polydispersity index (PDI) and hydroxyl value, satisfy specific levels, and, particularly, being capable of remarkably improving the physical properties of a polyurethane, such as tensile strength and elongation, when used as a polyurethane chain extender.
    Type: Application
    Filed: June 3, 2020
    Publication date: June 9, 2022
    Applicant: SAMYANG CORPORATION
    Inventors: Jae Hoon LEE, Hoon RYU, Gwang Seok SONG, Jae Guk NOH, Seung Hyun YOO, Jun Seop IM, Won Hyun JEON
  • Publication number: 20220162179
    Abstract: The present invention relates to a method for the synthesis of 2,5-furandicarboxylic acid, and more specifically, the present invention relates to a more efficient and economical method capable of preparing 2,5-furandicarboxylic acid having various functions with high purity and high yield, even without using a transition metal catalyst.
    Type: Application
    Filed: March 20, 2020
    Publication date: May 26, 2022
    Applicants: SAMYANG CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Chun Rim OH, Deuk Rak LEE, Won Jung LEE, Chi Wan LEE, Ji Eun CHOI, Young Sug KIM, Jung Woon YANG, Tae Woo LEE
  • Patent number: 11325881
    Abstract: The present invention relates to a plasticizer composition and a preparation method therefor and, more specifically, to a plasticizer composition, which contains an anhydrosugar alcohol monoester, an anhydrosugar alcohol diester, and a sugar alcohol ester at a specific content ratio and has improved plasticity and excellent storage stability, and to a preparation method therefor.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: May 10, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: Jae Hoon Lee, Hoon Ryu, Won Hyun Jeon
  • Patent number: 11260066
    Abstract: The present invention relates to a composition for inhibiting liver fat accumulation comprising allulose as an active ingredient and a pharmaceutical composition and a food composition using thereof.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: March 1, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: Hye Jung Kim, Chong Jin Park, Kang Pyo Lee
  • Patent number: 11248015
    Abstract: The present invention relates to a method for preparing psicose by effectively utilizing a psicose crystallization mother liquor obtained in a psicose crystallization process, and specifically, relates to a method of preparation of psicose by putting a psicose crystallization mother liquor obtained in a psicose crystallization process into one or more kinds of processes selected from the group consisting of activated carbon treatment, ion purification process, simulated moving bed chromatography separation process and concentration process of psicose fraction to recycle.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: February 15, 2022
    Assignee: SAMYANG CORPORATION
    Inventors: Ji Won Park, Sung Won Park, Chong Jin Park
  • Patent number: 11202460
    Abstract: The present invention relates to a mixed saccharide composition containing psicose, glucose and fructose with improved sweetness quality and crystallization, and a method for preventing crystallization of a mixed saccharide composition containing a psicose.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: December 21, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Ji Won Park, Go-Eun Kim, Sung Won Park, Hye Jung Kim, Chong Jin Park, Kang Pyo Lee
  • Patent number: 11191292
    Abstract: The present invention relates to a saccharide syrup composition comprising an organic acid or its salt and an oligosaccharide, and more specifically, the saccharide syrup composition comprises allulose.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 7, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Kyung Ho Joo, Kwang Soo Kim
  • Patent number: 11168317
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: November 9, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Jin Sol Heo, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Publication number: 20210309670
    Abstract: The present invention relates to a diisocynate compound having anhydrosugar alcohol core and a preparation method therefor and, more specifically, to a diisocynate compound having anhydrosugar alcohol core and a preparation method therefor, wherein the diisocynate compound is prepared through a reaction with a nitrile compound, a hydrogenation reaction, and an end-group substitution reaction while a recyclable, plant-based anhydrosugar alcohol or anhydrosugar alcohol-alkylene glycol is used as a raw material, and the diisocynate compound can be utilized in various fields, such as soft or hard polyurethane expanded foams, molded foams, coating, adhesives or glues, fibers, and polymer synthesis.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 7, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Seung Hyun YOO, Hoon RYU, Jun Seop IM, Gwang Seok SONG, Won Hyun JEON
  • Patent number: 11111485
    Abstract: A gene expression cassette capable of producing psicose at high yield with high stability, a GRAS (Generally recognized as safe) microorganism, a method of producing the enzyme by using the GRAS microorganism, and a method of producing the psicose by using the GRAS microorganism and enzyme are provided.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: September 7, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Jin Sol Heo, Hye Jung Kim, Min Jeong Kim, Jeong Yoon Choi, Chong Jin Park, Kang Pyo Lee
  • Patent number: 11084840
    Abstract: The present invention relates to a method of purifying allulose and a method of preparing allulose using the method of purifying, and more specifically the purification method includes mixing allulose conversion product with powdered activated carbon and applying the solid-liquid separation to efficiently remove impurities.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: August 10, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Kyung-Hun Ryu, Hye Jung Kim, Sung Won Park, Chong Jin Park
  • Publication number: 20210238413
    Abstract: The present invention relates to a solid dispersion, a preparation method therefor, a chain-extended polyurethane using same, and an epoxy resin composition comprising same and, more particularly, to a solid dispersion in which an inorganic or organic material-derived isotropic or anisotropic substance is used as a dispersoid and dispersed at room temperature in a solid-phase dispersion medium such as polyols and sugars, whereby the dispersion can be easily stored and used, reduce transportation cost, prevent or alleviate the aggregation or precipitation caused during the storage of products, with the results of working efficiency improvement and processing cost reduction, and, when applied to polyurethane, can increase strength and provide an improved strength, compared to conventional curing agent, a preparation method therefor, a chain-extended polyurethane using same, and an epoxy resin composition comprising same.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 5, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Gwang Seok SONG, Hoon RYU, Jun Seop IM, Seung Hyun YOO, Won Hyun JEON
  • Patent number: 11066640
    Abstract: The present invention relates to a newly isolated bacterium belonging to the genus Microbacterium, a composition for producing psicose comprising the strain, and a method for producing psicose using the same.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: July 20, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Eun Jin Han, Sang-Hee Lee, Soun Gyu Kwon, Bu-Soo Park, Sin Hye Ahn, Chong Jin Park, Kang Pyo Lee
  • Publication number: 20210163735
    Abstract: The present invention relates to a polycarbonate resin composition for 3D printing and a 3D printing filament comprising same and, more specifically, to a polycarbonate resin composition for 3D printing and a 3D printing filament comprising same, the polycarbonate resin composition comprising a specific combination of a polycarbonate (PC) resin, a polybutylene terephthalate (PBT) resin, a superplasticizer, and an impact modifier, wherein the polycarbonate resin retains superior mechanical properties while particular properties, such as an output performance, a winding property, and an anti-shrinkage property, required for 3D printing filaments, are excellently balanced.
    Type: Application
    Filed: July 25, 2019
    Publication date: June 3, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Sun Chul JIN, Ki Yong KIM, Hyung Jin ROH, Jong Seong YIM
  • Patent number: 11019831
    Abstract: The present invention relates to a coffee drink composition comprising allulose, oligosaccharide and coffee extract, and a method of preparation thereof, and it provides a coffee drink composition having a high sugar content and a low calorie and can give more excellent sensory properties to coffee drinks such as Americano.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: June 1, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Tae-Chul Han, Bong Chan Kim, Yong-In Kim, Il Seo, Seung Mi Lee, Hye Jin Lim
  • Publication number: 20210147609
    Abstract: The present invention relates to a composition for forming an environmentally friendly polyurethane foam, the composition having improved storage stability, air permeability, and anti-oxidation characteristics and to a method for manufacturing a polyurethane foam and, more specifically, to an isocyanate pre-polymer prepared by reaction of a polyisocyanate and a polyol component comprising a bio-polyol, to a composition for forming an environmentally friendly polyurethane foam, the composition having improved storage stability, air permeability, and anti-oxidative characteristics by comprising the pre-polymer as one component, to a method for manufacturing a polyurethane foam using the same, and to an environmentally friendly polyurethane foam manufactured thereby.
    Type: Application
    Filed: June 22, 2018
    Publication date: May 20, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Gwang Seok SONG, Seung Hyun YOO, Hoon RYU, Hyuk Min PARK, Jun Seop IM
  • Patent number: 10995212
    Abstract: The present invention relates to a thermoplastic polyether ester elastomer (TPEE) having a hard segment and a soft segment and a method for preparing the same and, more specifically, to a thermoplastic polyether ester elastomer and a method for preparing the same, wherein a unit derived from an anhydrosugar alcohol derivative with improved reactivity derived from biomass is contained in the soft segment, and thus through the adjustment of the content of the anhydrosugar alcohol derivative, elastic characteristics and physical characteristics (for example, hardness, etc.), which are important characteristics of an elastomer, can be favorably maintained, the melting point variously required in the molding process of a final product can be easily controlled, a problem of depletion of, especially, petroleum resources as finite resources, can be solved, and environmental friendliness can be improved.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 4, 2021
    Assignee: SAMYANG CORPORATION
    Inventors: Min Sun Lee, Mi Ran Kim, Yun Ju Chang, Jae Kwan Kwon, Cheol Han Lee, Young Do Kwon
  • Patent number: 10982091
    Abstract: The present invention relates to a thermoplastic resin composition having excellent thermal stability and birefringence properties and to a molded article formed therefrom. In one embodiment, the thermoplastic resin composition includes: 100 parts by weight of a polycarbonate resin including a repeating unit represented by formula 1; about 0.2 parts by weight to about 15 parts by weight of an epoxy resin represented by formula 2; and about 1 part by weight to about 15 parts by weight of a phosphate-based compound, wherein formula 1 and formula 2 are as defined in the detailed description.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: April 20, 2021
    Assignees: HYUNDAI MOBIS CO., LTD., SAMYANG CORPORATION
    Inventors: Jae Joon Chang, Joung Hoon Lee, Hyun Jee Lee, Keun Hyung Lee, Jung Kyu Han, Tae Jin An, Nung Hyun Kim, Hyung Jin Roh
  • Publication number: 20210061991
    Abstract: Disclosed are: a thermoplastic elastomer resin composition comprising a thermoplastic elastomer resin and, as a reactive additive, a compound containing one or more isocyanurate functional groups; a molded product comprising the same.
    Type: Application
    Filed: December 27, 2018
    Publication date: March 4, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Jae-Kwan KWON, Jin YOO, Cheol-Han LEE, Yong-Chan LIM, Sang-Hyun PARK