Patents Assigned to SK Chemicals Co., Ltd.
  • Patent number: 9662868
    Abstract: A thermoplastic molded product including a decorative material having superior heat resistance, impact strength and flexural strength is disclosed. The thermoplastic molded product is useful for a window glass substitute, a partition, a decorative panel, a decorative film, and so on. The thermoplastic molded product comprises a copolymerized polyester resin sheet made of a copolymerized polyester resin; and at least one decorative material laminated on the copolymerized polyester resin sheet, the lamination being performed by applying heat and pressure to the copolymerized polyester resin sheet and the decorative material. The copolymerized polyester resin has an alternating structure of acid moieties which are derived from acid components and diol moieties which are derived from diol components, and the acid components comprise terephthalic acid, and the diol components comprise (i) 5˜99 mol % of 1,4-cyclohexanedimethanol and (ii) 1˜60 mol % of isosorbide with respect to the total diol components.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: May 30, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Yoo-Jin Lee, Jong-Ryang Kim
  • Patent number: 9650515
    Abstract: The present invention relates to a polyarylene sulfide resin composition having excellent impact resistance in which a polyarylene sulfide resin having a specific end group, an epoxy-containing olefin-based elastomer, and/or an organic or inorganic filler are included, and a preparation method thereof.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: May 16, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Byoung Gook Kang, Il-Hoon Cha, Sung-Gi Kim, Se-Ho Lee
  • Patent number: 9644197
    Abstract: A fusion protein comprising factor VII (FVII) and transferrin according to the present invention has an improved specific activity of FVII compared to existing FVII fusion proteins comprising other fusion partners than transferrin, and thus can be effectively used in a therapy using FVII.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: May 9, 2017
    Assignee: SK Chemicals Co., Ltd.
    Inventors: In-Young Song, Hun-Taek Kim, Bong-Yong Lee, Mahn-Hoon Park, Ho-Soon Lee, Yun Jung Lim, Ji-Hye Lee, Seo Yeon Son, Min-Sun Kim
  • Patent number: 9643946
    Abstract: The present invention relates to: a compound selected from the group consisting of a tricyclic compound having the structure of formula I, a pharmaceutically acceptable salt, an isomer, a solvate and a precursor thereof; and a use thereof. The compound effectively controls GPR40, and thus, can be effectively used for the prophylaxis or treatment of diseases associated with GPR40, for example, diabetes and many other diseases.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 9, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Ju Young Lee, Jeong A Lee, Jaeseung Ahn, Je Ho Ryu, Min-Young Han, Taekyung Yoo, Joon Ho Sa, Jae-Sun Kim, Jeongmin Seo
  • Patent number: 9636392
    Abstract: The present invention provides an improved method of producing a capsular polysaccharide having a pneumococcal serotype. The method according to the present invention includes a step of additionally culturing bacterial cells producing a pneumococcal serotype without pH adjustment, thereby removing a protein precipitation process by acidification with a pH adjuster.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: May 2, 2017
    Assignee: SK CHEMICAL CO., LTD.
    Inventors: Jin-Hwan Shin, Mahn-Hoon Park, Hun Kim, Myeong-Ju Noh, Su-Jin Park
  • Patent number: 9622986
    Abstract: Provided is a transdermal delivery system (for example, in the form of a patch) having a double-layer structure including a drug-containing matrix layer and an adhesive layer, wherein the drug-containing matrix layer is obtained by completely dissolving donepezil using a certain polymer and then formulating along with an adhesive; and a process for preparing the same. The transdermal delivery system according to the present invention does not show any crystallization of donepezil in the formulation, can release donepezil at a uniform rate for a long time, and can inhibit the release dumping phenomenon that occurs in a transdermal delivery system having a single-layer structure.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: April 18, 2017
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Jong-Seob Im, Yong-Youn Hwang, Won-No Youn, Yeo-Jin Park, Hye-Min Kim, Joon-Gyo Oh, Hun-Taek Kim, Bong-Yong Lee
  • Patent number: 9617328
    Abstract: Disclosed is a fusion protein comprising blood coagulation factor IX (FIX) and transferrin. The fusion protein exhibits improved specific FIX activity, as compared to native FIX, and can be useful in the treatment of FIX deficiency-associated diseases.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: April 11, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Min Sun Lee, Hun-Taek Kim, Bong-yong Lee, Mahn Hoon Park, Yun Jung Lim
  • Patent number: 9585862
    Abstract: The present invention relates to a rivastigmine-containing patch having improved storage stability and proper release property.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: March 7, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Yong-youn Hwang, Won-Jae Choi, Jae-Sun Kim, Won-No Youn, Yeo-Jin Park, Joon-gyo Oh, JongSeob Im
  • Patent number: 9580596
    Abstract: A chemical resistant polymer composition for a center fascia includes a resin composition consisting of 10 to 20% by weight of a polyester copolymer containing a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing dianhydrohexitoll; 15 to 25% by weight of polytrimethyleneterephthalate; 10 to 20% by weight of one or more copolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft copolymer, an alkylmethacrylate-diene-based rubber-aromatic vinyl graft copolymer, and an alkylmethacrylate-silicone/alkylacrylate graft copolymer; and 50 to 65% by weight of polycarbonate based on the weight of the resin composition. The polymer composition further comprises 0.1 to 10 parts by weight of a phosphite-based antioxidant, based on 100 parts by weight of the resin composition.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: February 28, 2017
    Assignees: SK CHEMICALS CO., LTD., HYUNDAI MOTOR COMPANY
    Inventors: Han Ki Lee, Dae Sik Kim, Jung Gyun Noh, Dong-Cheol Sohn, Kye Yune Lee, Jong-Wook Shin
  • Publication number: 20170049782
    Abstract: The present invention relates to a composition comprising 5-chloro-N-({(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)-phenyl]-1,3-oxazolidin-5-yl}-methyl]-2-thiophene carboxyamide as an active ingredient, manufactured by a melt extrusion method. The composition according to the present invention has a wide variety of advantages such as securing dissolution rate and bioavailability of the active ingredient, improving absorption deviation depending on whether a patient has a meal or not, and securing stability during the manufacturing process. The present invention further provides a method which can manufacture the said composition.
    Type: Application
    Filed: April 22, 2015
    Publication date: February 23, 2017
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Jun-sung PARK, Dongchul SHIN, Keun-Ho RYU, Ho Chul SHIN, Sang-wook HWANG, Gwan-young KIM, Hun-Taek KIM
  • Patent number: 9567438
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: February 14, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Clifford Schaferskupper, Thomas Hille, Theodor Jurgens, Andre Schumann, Lars Gierszewski, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • Patent number: 9562138
    Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodized aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodized aromatic compounds, can be separated from the polymers.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: February 7, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Clifford Schaferskupper, Thomas Hille, Theodor Jurgens, Andre Schumann, Lars Gierszewski, Il Hoon Cha, Sung Gi Kim, Yoon Cheol Kim
  • Patent number: 9546248
    Abstract: The present invention relates to polyarylene sulfide, in which a ratio of a peak area of a polymer chain of a second polyarylene sulfide having a lower molecular weight than the maximum peak molecular weight to a peak area of a polymer chain of a first polyarylene sulfide having a higher molecular weight than the maximum peak molecular weight is 1.3 or less in the molecular weight distribution of the polyarylene sulfide, as measured by gel permeation chromatography using polystyrene as a standard, and a preparation method thereof. This polyarylene sulfide exhibits excellent processability and generates no burrs (flashes) or the like, and can satisfactorily mold a product requiring high molding precision.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: January 17, 2017
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Kyu-Tae Park, Sung-Gi Kim, Jae-Bong Lim, Il-Hoon Cha, Se-Ho Lee
  • Publication number: 20160375118
    Abstract: Provided is an immunogenic composition comprising 13 different polysaccharide-protein conjugates. Each of the conjugates comprises a capsular polysaccharide prepared from a different serotype Streptococcus pneumoniae conjugated to a carrier protein, that is, 12 serotypes selected from the group consisting of 1, 3, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F and 23F and serotype 2 or 9N. The immunogenic composition formulated into a vaccine comprising an aluminum-based adjuvant increases coverage with respect to pneumococcal diseases in infants and children.
    Type: Application
    Filed: December 5, 2013
    Publication date: December 29, 2016
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Mahn-Hoon PARK, Hun KIM, Ji-Hye YANG, Seon-Young YANG, Myeong-Ju NOH, Su-Jin PARK, Jin-Hwan SHIN
  • Publication number: 20160369094
    Abstract: Provided is a polymer resin composition capable of providing an environmentally friendly biomass-containing synthetic resin which exhibits improved chemical resistance. Provided is a high heat resistant polymer resin composition having excellent chemical resistance, the composition including a polyester copolymer containing a residue of a dicarboxylic acid component containing terephthalic acid and a residue of a diol component containing dianhydrohexitol; one or more copolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft copolymer, an alkylmethacrylate-diene-based rubber-aromatic vinyl graft copolymer, and an alkylmethacrylate-silicone/alkylacrylate graft copolymer; and polytrimethylene terephthalate, and having 0.
    Type: Application
    Filed: June 23, 2014
    Publication date: December 22, 2016
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Dong-Cheol SOHN, Tae-Woong LEE, Jong-Wook SHIN
  • Publication number: 20160369092
    Abstract: Provided are components for vehicles, electric/electronic products, home appliances, office equipments or household items, which are manufactured using a high heat resistant polymer resin composition capable of providing an environmentally friendly biomass-containing synthetic resin which exhibits improved chemical resistance.
    Type: Application
    Filed: June 23, 2014
    Publication date: December 22, 2016
    Applicant: SK Chemicals Co., Ltd.
    Inventors: Dong-Cheol SOHN, Tae-Woong LEE, Jong-Wook SHIN
  • Publication number: 20160347819
    Abstract: Disclosed is a method for producing proteins having factor VIII procoagulant activity in serum-free medium by in vitro culturing of mammalian cells, wherein the serum-free medium contains an inhibitor against the protease released from cultured cells. In accordance with this invention, the inhibitor can protect the cleavage of a target protein during cultivation and increase homogeneity of a target molecule, wherein the inhibitor can be a dextran sulfate. This invention also relates to a method of purifying target molecules from the culture medium containing both a target molecule and selected inhibitors by affinity chromatography.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: In-Young Song, Hun-Taek Kim, Jong-Wan Kim, Yong-Kook Kim, Jong-II Ryu, Dae-Kee Kim
  • Patent number: 9487623
    Abstract: A preparation method of a polycyclohexylenedimethylene terephthalate resin according to the present invention includes the steps of injecting a titanium compound and a germanium compound as catalysts to a mixture of a diol compound and dicarboxylic acid under stirring and performing esterification reaction and polycondensation reaction, in which the titanium compound is injected in a titanium atom content of 20 ppm or less, based on the weight of the final polycyclohexylenedimethylene terephthalate resin. The preparation method of the polycyclohexylenedimethylene terephthalate resin according to the present invention can be used to prepare a polycyclohexylenedimethylene terephthalate resin that has excellent degree of polymerization, color and light reflectance and has remarkably improved heat stability, and it is suitable to use the polycyclohexylenedimethylene terephthalate resin according to the present invention as an LED housing material.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: November 8, 2016
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Jung-Me Moon, Tae-Young Kim, Jong Ryang Kim
  • Patent number: 9481684
    Abstract: Disclosed are a gonadotropin releasing hormone receptor antagonist and a pharmaceutical composition including the same, which can be useful in preventing or treating a sex hormone-related disease such as endometriosis, amenorrhea, irregular menstruation, uterine myoma, uterine fibroids, polycystic ovarian disease, lupus erythematous, hypertrichosis, precocious puberty, short stature, acne, alopecia, gonadal steroid-dependent neoplasms, gonadotropin-producing pituitary adenoma, sleep apnea, irritable bowel syndrome, premenstrual syndrome, benign prostatic hyperplasia, contraception, and infertility, as well as Alzheimer disease.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: November 1, 2016
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Seon-Mi Kim, Jae-Sun Kim, Minhee Lee, So-young Lee, Bong-yong Lee, Young-Ah Shin, Euisun Park, Jung A Lee, Min-Young Han, Jaeseung Ahn, Taekyung Yoo, Hun-Taek Kim
  • Patent number: 9447383
    Abstract: Disclosed is a Madin-Darby canine kidney (MDCK)-derived cell line. The MDCK-derived cell line is derived from MDCK cells deposited under accession number ATCC CCL-34. The MDCK-derived cell line can be prepared by serum-free culture and suspension culture. Preferably, the MDCK-derived cell line has low or no tumorigenicity. The MDCK-derived cell line is preferably selected from MDCK Sky1023, MDCK Sky10234 and MDCK Sky3851. Further disclosed are a culture method for growing the MDCK-derived cells and a method for producing a vaccine virus using the MDCK-derived cells.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: September 20, 2016
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Yong Wook Park, Kun Se Lee, Bong-Yong Lee, Mahnhoon Park, Hun Kim, Yun-Hee Kim, Su-Jeen Lee