Inventor
KIM SUNG-KYOUNG
KR32 patents
⚠️ This page may combine multiple inventors who share the name “KIM SUNG-KYOUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG CHEMICAL LTD
22 patentsUS12503592B2Dec 23, 2025
Polyalkylene carbonate-polyactic acid composite, method of preparing the same, and molded article prepared by using the composite
LG CHEMICAL LTD0 citations62
US11944961B2Apr 2, 2024
Method for regenerating waste organic zinc catalyst through surface modification
LG CHEMICAL LTD0 citations62
US11840629B2Dec 12, 2023
Polyalkylene carbonate-based resin, and method of preparing the same
LG CHEMICAL LTD0 citations62
US10941261B2Mar 9, 2021
Polyalkylene carbonate-based resin film
LG CHEMICAL LTD1 citations62
US10941291B2Mar 9, 2021
Polyalkylene carbonate resin composition and polyalkylene carbonate resin molded article
LG CHEMICAL LTD1 citations62
US10844220B2Nov 24, 2020
Polyketone resin composition and polyketone resin molded article
LG CHEMICAL LTD1 citations62
US12312442B2May 27, 2025
Method for separating organic zinc catalyst using filtering membrane
LG CHEMICAL LTD0 citations60
US11976164B2May 7, 2024
Method of preparing organic zinc catalyst and method of preparing polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby
LG CHEMICAL LTD0 citations60
US12139604B2Nov 12, 2024
Polyalkylene carbonate-based resin, and molded article produced therefrom
LG CHEMICAL LTD0 citations59
US12076714B2Sep 3, 2024
Method for separating organozinc catalyst from polyalkylene carbonate polymerization solution
LG CHEMICAL LTD0 citations59
US11219887B2Jan 11, 2022
Method for preparing organic zinc catalyst, organic zinc catalyst prepared by the method and method for preparing polyalkylene carbonate resin using the catalyst
LG CHEMICAL LTD0 citations58
US10865274B2Dec 15, 2020
Poly(alkylene carbonate) resin composition, preparation method thereof, molded article formed therefrom, and preparation method of molded article using the same
LG CHEMICAL LTD0 citations52
US10836860B2Nov 17, 2020
Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst
LG CHEMICAL LTD0 citations52
US10633488B2Apr 28, 2020
Organic zinc catalyst, preparation method thereof, and method for preparing polyalkylene carbonate resin using the catalyst
LG CHEMICAL LTD0 citations52
US9751981B2Sep 5, 2017
Manufacturing method of organic zinc catalyst and manufacturing method of polyalkylene carbonate resin
LG CHEMICAL LTD0 citations52
US9803048B2Oct 31, 2017
Organic zinc catalyst and preparation method thereof
LG CHEMICAL LTD0 citations51
US9732187B2Aug 15, 2017
Manufacturing method of polyalkylene carbonate resin
LG CHEMICAL LTD0 citations51
US10100147B2Oct 16, 2018
Organic zinc catalyst, preparation method thereof, and method of preparing poly(alkylene carbonate) resin using the same
LG CHEMICAL LTD0 citations50
US10047032B2Aug 14, 2018
Preparation method of organic zinc catalyst and poly(alkylene carbonate) resin
LG CHEMICAL LTD0 citations50
US10640610B2May 5, 2020
Organozinc-supported catalyst, method for producing the same, and method for preparing polyalkylene carbonate resin using catalyst
LG CHEMICAL LTD0 citations49
US10047196B2Aug 14, 2018
Organic zinc catalyst, and manufacturing method thereof and manufacturing method of polyalkylene carbonate resin using the same (as amended)
LG CHEMICAL LTD0 citations41
US10829635B2Nov 10, 2020
Economical method of preparing a resin composition including polyalkylene carbonate with improved thermal stability and processability
LG CHEMICAL LTD0 citations40