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Patent applications and USPTO patent grants for Im; Dong-Ryul.The latest application filed is for "method of producing highly transparent polypropylene including prepolymerization step".
Patent | Date |
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Catalyst system for olefin polymerization comprising trioxasilocane and method for olefin polymerization using the same Grant 7,884,164 - Lee , et al. February 8, 2 | 2011-02-08 |
Method Of Producing Highly Transparent Polypropylene Including Prepolymerization Step App 20100216955 - Lee; Nan-young ;   et al. | 2010-08-26 |
Prepolymerized catalyst for olefin polymerization, process for polymerizing olefin by using the catalyst and polyolefin produced by the process Grant 7,776,979 - Lee , et al. August 17, 2 | 2010-08-17 |
Catalyst System For Olefin Polymerization Comprising Trioxasilocane And Method For Olefin Polymerization Using The Same App 20100036067 - Lee; Nan-Young ;   et al. | 2010-02-11 |
Prepolymerized catalyst for olefin polymerization, process for polymerizing olefin by using the catalyst and polyolefin produced by the process App 20080182950 - Lee; Ro-Mi ;   et al. | 2008-07-31 |
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