Patents Assigned to SAMYANG HOLDINGS CORPORATION
  • Patent number: 11980610
    Abstract: Disclosed are an oral solid dosage form composition comprising an active ingredient and a solubilizing carrier wherein a foaming ingredient is used to improve disintegration, dispersion or dissolution, and a preparation method therefor.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 14, 2024
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Sang Yeob Park, Hye Jung Lim, Jae Young Lee, Min Hyo Seo, Sa Won Lee
  • Patent number: 11839684
    Abstract: Disclosed is a mucoadhesive pharmaceutical composition comprising a poly-ionic complex of chitosan and a polyacrylic acid polymer. As an oral formulation, the composition has the extended retention time in the gastrointestinal tract by its mucoadhesive and swelling properties, which is useful as sustained release formulations, retentive formulations of active ingredients with limited absorption regions, and active ingredients with pH dependent solubility.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: December 12, 2023
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Sang Yeob Park, Jong Won Yoon
  • Publication number: 20230295424
    Abstract: The present invention relates to a composition for hydrogel formation, a hydrogel formed by photo-crosslinking same, and a method for preparing the hydrogel and, more specifically, to a composition which comprises a photo-initiator and a polyglutamic acid polymer having a photo-crosslinkable functional group introduced thereto and is capable of forming a hydrogel in real time through photo-crosslinking, to a hydrogel which is formed by photo-crosslinking the composition and can be utilized as a tissue adhesive, a surgical sealant, anti-adhesive agent, or the like due to excellent biocompatibility, superior adhesive strength in wet environments, flexibility, and ease of use, and to a method for preparing the hydrogel.
    Type: Application
    Filed: August 5, 2021
    Publication date: September 21, 2023
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Ji Hyun CHANG, Hyung Hwan KIM, Hye Sung YOON
  • Publication number: 20230190266
    Abstract: The present invention relates to a medical thread which has on one end thereof a stopper that has a polygonal cross-section, and which exhibits excellent end adhesive force and penetration resistance, and to a manufacturing method for same.
    Type: Application
    Filed: March 24, 2021
    Publication date: June 22, 2023
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Ho Sung LEE, Dae Hui RYU, Hye Sung YOON
  • Patent number: 11638782
    Abstract: A sealant syringe assembly includes a first syringe including a plurality of chambers and discharging a first solution which is a mixture of a buffer solution and compound powder; a reaction solution syringe including at least one chamber and discharging a reaction solution capable of reacting with the first solution; and a connector for connecting the first syringe and the reaction solution syringe to mix and discharge the first solution and the reaction solution. The first syringe includes three packing members provided inside the first syringe; a passage provided in the inner circumferential surface of the first syringe; and a plunger for providing a pressure to one of the packing members.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: May 2, 2023
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Young Joo Koh, Hyung Hwan Kim, Jung Ha Park
  • Publication number: 20230039124
    Abstract: The present invention relates to a kit for preparing a nanoparticle composition for drug delivery and, more specifically, to a kit for preparing a nanoparticle composition for drug delivery, which is designed to easily form a nanoparticle in which a drug is encapsulated by simply mixing an amphiphilic block copolymer, a cationic compound, a polylactic acid salt, and the drug that are the components of the kit.
    Type: Application
    Filed: December 16, 2020
    Publication date: February 9, 2023
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: So Jin LEE, Sang Hoon KIM, Joon Young PARK, Hye Yeong NAM, Ji Yeon SON
  • Publication number: 20230017360
    Abstract: The present invention relates to a kit for preparing a nanoparticle composition for drug delivery and, more specifically, to a kit for preparing a nanoparticle composition for drug wherein the kit is designed such that the kit does not comprise a polylactic acid salt and nanoparticles containing a drug encapsulated therein can be easily formed just by simply mixing an amphiphilic block copolymer, a cationic compound, and a drug as components of the kit.
    Type: Application
    Filed: November 19, 2020
    Publication date: January 19, 2023
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: So Jin LEE, Sang Hoon KIM, Joon Young PARK, Hye Yeong NAM, Ji Yeon SON
  • Publication number: 20220409710
    Abstract: Disclosed are a composition for inducing immunity against an active ingredient and a method for preparing same, the composition comprising: a nucleic acid, a polypeptide, or a combination thereof as the active ingredient; a cationic compound; an amphiphilic block copolymer; and a polylactate, wherein the active ingredient is encapsulated in a nanoparticle structure formed by the amphiphilic block copolymer and the polylactate.
    Type: Application
    Filed: November 5, 2020
    Publication date: December 29, 2022
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: So Jin LEE, Joon Young PARK, Hye Yeong NAM, He Len CHO, Goo Young KIM
  • Patent number: 11534447
    Abstract: The present invention relates to an emulsion composition for chemoembolization comprising a nanoparticle comprising a drug and a biocompatible polymer, a water-soluble contrast agent and a water-insoluble contrast agent, and a water-insoluble drug as well as an aqueous drug can be administered in a form of stable emulsion, and drugs are slowly released, thereby enhancing the effect of chemoembolization.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: December 27, 2022
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Hye-Jeong Yoon, Hye Jin Jang
  • Patent number: 11464861
    Abstract: A pharmaceutical composition containing a specific related compound within a specified limit and a method for preparing the same are provided.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Bong Oh Kim, Bum Chan Min, Ji Yeong Kim, Hye Rim Kim, Min Hyo Seo, Sa Won Lee, Yil Woong Yi, Joong Woong Cho, In Ja Choi
  • Publication number: 20220257679
    Abstract: The present invention relates to: a virus-containing pharmaceutical composition, which comprises, as an active ingredient, a virus for treating or preventing disease; and a preparation method therefor.
    Type: Application
    Filed: August 7, 2019
    Publication date: August 18, 2022
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Joung Woo CHOI, Sang Hoon KIM, Hye Yeong NAM, Helen CHO, Min Hyuk YUN, Goo Young KIM, So Jin LEE
  • Publication number: 20220257237
    Abstract: In order to provide a means for fixing an end of a medical suture to skin tissue in a short time and thereby reduce an operation time, the present invention provides: a medical suture comprising a main body, which extends in the length direction, and a stopper, which is at one end of the main body and has a larger cross section than the main body; and a method for producing same.
    Type: Application
    Filed: March 27, 2020
    Publication date: August 18, 2022
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Ho Sung LEE, Dae Hui RYU, Hye Sung YOON
  • Patent number: 11406733
    Abstract: The present invention relates to porous microparticles of a biodegradable polymer, and a polymer filler comprising the same.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: August 9, 2022
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Jin Su Kim, Wang Soo Shin, Na Jeong Park, Young Joo Koh, Jun Bae Kim
  • Publication number: 20220243373
    Abstract: The present invention relates to an apparatus for manufacturing a fibrous web, a fibrilla fiber aggregate, or a nonwoven fabric by using a woven fabric, a method for manufacturing a fibrous web, a fibrilla fiber aggregate, or a nonwoven fabric by using the apparatus, and a fibrous web, a fibrilla fiber aggregate, or a nonwoven fabric manufactured by the method, especially, a fibrous web, a fibrilla fiber aggregate, or a nonwoven fabric for use in a hemostatic agent or an anti-adhesive agent.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 4, 2022
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Hye Sung YOON, Jin Su KIM
  • Publication number: 20220125929
    Abstract: Disclosed are a pharmaceutical composition for anionic drug delivery, and a preparation method therefor, the pharmaceutical composition for anionic drug delivery containing: an anionic drug as an active ingredient; a cationic compound; an amphiphilic block copolymer; and a polylactate, wherein the anionic drug formed a complex with the cationic lipid, and the complex is encapsulated within a micelle structure formed by the amphiphilic block copolymer and the polylactate.
    Type: Application
    Filed: January 10, 2022
    Publication date: April 28, 2022
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Hye Yeong NAM, Bong-Oh KIM, Min-Hyo SEO, Ji-Yeon SON, Ji-Hye CHOI, Sang Hoon KIM
  • Publication number: 20210369909
    Abstract: The present invention relates to a powder type hemostatic composition and method for preparing the same, and more specifically, to powder aggregate having porosity obtained by combining powder of biocompatible hemostatic material with a binder and a method for preparing the same, and a powder type hemostatic composition which comprises the powder aggregate and shows improved hemostatic performance as compared with simple powder hemostatic agents, and can be used to a large surface area for hemostasis, or to narrow, thin or other sites to which approach for hemostasis is difficult.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 2, 2021
    Applicant: SAMYANG HOLDINGS CORPORATION
    Inventors: Hyun Kyoon KIM, Beom Kang HUH, Hye Sung YOON, Suk Yen KO
  • Patent number: 11179466
    Abstract: The present invention relates to an amphiphilic block copolymer composition which provides enhanced stability to a micelle formed by an amphiphilic block copolymer in an aqueous phase.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 23, 2021
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Bong Oh Kim, Kyu Jin Kyung, Sa Won Lee
  • Patent number: D936829
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: November 23, 2021
    Assignee: Samyang Holdings Corporation
    Inventors: Daehui Ryu, Ianina Lapko, Hosung Lee
  • Patent number: D936830
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: November 23, 2021
    Assignee: Samyang Holdings Corporation
    Inventors: Hosung Lee, Hwanseok Choi
  • Patent number: D1018847
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: March 19, 2024
    Assignee: SAMYANG HOLDINGS CORPORATION
    Inventors: Geonwoo Kim, Daehui Ryu