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Patent applications and USPTO patent grants for Lee; Won Kyun.The latest application filed is for "method of preparing aromatic vinyl compound-vinyl cyanide compound polymer and apparatus for preparing the same".
Patent | Date |
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Method of preparing aromatic vinyl compound-vinyl cyanide compound polymer and apparatus for preparing the same Grant 11,267,906 - Shin , et al. March 8, 2 | 2022-03-08 |
Method Of Preparing Aromatic Vinyl Compound-vinyl Cyanide Compound Polymer And Apparatus For Preparing The Same App 20210070895 - HWANG; Jeong A ;   et al. | 2021-03-11 |
Method Of Preparing Aromatic Vinyl Compound-vinyl Cyanide Compound Polymer And Apparatus For Preparing The Same App 20210061928 - SHIN; Daeyoung ;   et al. | 2021-03-04 |
Synthesis method of N-substituted maleimide using solid acid catalysts Grant 10,487,052 - Cheon , et al. Nov | 2019-11-26 |
Synthesis Method Of N-substituted Maleimide Using Solid Acid Catalysts App 20190152910 - CHEON; Joo Young ;   et al. | 2019-05-23 |
Semiconductor package including heat sink with layered conductive plate and non-conductive tape bonding to leads Grant 5,854,511 - Shin , et al. December 29, 1 | 1998-12-29 |
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