List of SK Chemicals patents

Patents where

Current Assignee

Name

SK Chemicals

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7314644 Extraction and purification method of active constituents from stem of	Patent 7314644 was granted and assigned to SK Chemicals on January, 2008 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	7314644	January 1, 2008
‌ US Patent 11020947 Thermo-shrinkable polyester film	Patent 11020947 was granted and assigned to SK Chemicals on June, 2021 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	11020947	June 1, 2021
‌ US Patent 11396579 Polyester film and manufacturing method thereof	Patent 11396579 was granted and assigned to SK Chemicals on July, 2022 by the United States Patent and Trademark Office.	SK Chemicals	SK Chemicals	United States Patent and Trademark Office	11396579	July 26, 2022
‌ US Patent 11401372 Polyester resin having excellent heat resistance and solubility in solvents, and coating composition containing same		SK Chemicals	SK Chemicals	United States Patent and Trademark Office	11401372	August 2, 2022
‌ US Patent 11401371 Copolymerized saturated polyester resin and coating composition containing same	Patent 11401371 was granted and assigned to SK Chemicals on August, 2022 by the United States Patent and Trademark Office.	SK Chemicals	SK Chemicals	United States Patent and Trademark Office	11401371	August 2, 2022
‌ US Patent 7601736 Pyridine derivatives, a process for their preparation and a pharmaceutical composition containing the same	Patent 7601736 was granted and assigned to SK Chemicals on October, 2009 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	7601736	October 13, 2009
‌ US Patent 7495022 α,β-unsaturated hydroxamic acid derivatives and their use as histone deacetylase inhibitors	Patent 7495022 was granted and assigned to SK Chemicals on February, 2009 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	7495022	February 24, 2009
‌ US Patent 8652537 Herbal drug composition for cartilage protection	Patent 8652537 was granted and assigned to SK Chemicals on February, 2014 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	8652537	February 18, 2014
‌ US Patent 9481684 Gonadotropin releasing hormone receptor antagonists, method for the preparation thereof and pharmaceutical composition comprising the same	Patent 9481684 was granted and assigned to SK Chemicals on November, 2016 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	9481684	November 1, 2016
‌ US Patent 9034850 Gonadotropin releasing hormone receptor antagonist, preparation method thereof and pharmaceutical composition comprising the same	Patent 9034850 was granted and assigned to SK Chemicals on May, 2015 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	9034850	May 19, 2015
‌ US Patent 9643946 Tricyclic compound and use thereof	Patent 9643946 was granted and assigned to SK Chemicals on May, 2017 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	9643946	May 9, 2017
‌ US Patent 9917256 Compound for organic electroluminescent device and organic electroluminescent device including the same	Patent 9917256 was granted and assigned to SK Chemicals on March, 2018 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	9917256	March 13, 2018
‌ US Patent 10138201 Compound for organic eletroluminescent device and organic electroluminescent device including the same	Patent 10138201 was granted and assigned to SK Chemicals on November, 2018 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	10138201	November 27, 2018
‌ US Patent 9617328 Fusion protein having factor IX activity	Patent 9617328 was granted and assigned to SK Chemicals on April, 2017 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	9617328	April 11, 2017
‌ US Patent 7951967 Method and apparatus for preparing fatty acid alkyl ester using fatty acid	Patent 7951967 was granted and assigned to SK Chemicals on May, 2011 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	7951967	May 31, 2011
‌ US Patent 9278986 Carbazole-based phosphine oxide compound, and organic electroluminescent device including the same	Patent 9278986 was granted and assigned to SK Chemicals on March, 2016 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	9278986	March 8, 2016
‌ US Patent 7695741 Topical formulation for prevention and treatment of acne	Patent 7695741 was granted and assigned to SK Chemicals on April, 2010 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	7695741	April 13, 2010
‌ US Patent 8633295 Blend of polylactic acid resin and copolyester resin, and molded product using same	Patent 8633295 was granted and assigned to SK Chemicals on January, 2014 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	8633295	January 21, 2014
‌ US Patent 10913702 Method for cycloaddition of dimethyl muconate	Patent 10913702 was granted and assigned to SK Chemicals on February, 2021 by the United States Patent and Trademark Office.	SK Chemicals	SK Chemicals	United States Patent and Trademark Office	10913702	February 9, 2021
‌ US Patent 11421076 Highly heat-resistant polycarbonate ester and preparation method therefor	Patent 11421076 was granted and assigned to SK Chemicals on August, 2022 by the United States Patent and Trademark Office.	SK Chemicals	SK Chemicals	United States Patent and Trademark Office	11421076	August 23, 2022
‌ US Patent 8669358 Vanadium phthalocyanine compounds and near-infrared absorption filter using the same	Patent 8669358 was granted and assigned to SK Chemicals on March, 2014 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	8669358	March 11, 2014
‌ US Patent 8691978 Copper phthalocyanine compounds and near-infrared absorption filter using the same	Patent 8691978 was granted and assigned to SK Chemicals on April, 2014 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	8691978	April 8, 2014
‌ US Patent 9877948 Rotigotine-containing transdermal absorption preparation with improved stability	Patent 9877948 was granted and assigned to SK Chemicals on January, 2018 by the United States Patent and Trademark Office.	SK Chemicals	SK Chemicals	United States Patent and Trademark Office	9877948	January 30, 2018
‌ US Patent 11203676 Heat shrinkable film comprising polyester based copolymer	Patent 11203676 was granted and assigned to SK Chemicals on December, 2021 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	11203676	December 21, 2021
‌ US Patent 10246799 Polylactic acid resin composition for 3D printing	Patent 10246799 was granted and assigned to SK Chemicals on April, 2019 by the United States Patent and Trademark Office.		SK Chemicals	United States Patent and Trademark Office	10246799	April 2, 2019

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