Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9062135 | Manufacturing method of solid catalyst for propylene polymerization | Joon-Ryeo Park, Eun Il Kim, Jin Woo Lee | 2015-06-23 |
| 9045572 | Preparation method of solid catalyst for propylene polymerization and catalyst prepared thereby | Jin Woo Lee, Eun Il Kim, Joon-Ryeo Park | 2015-06-02 |
| 9034781 | Solid catalyst for the polymerization of propylene, and method for preparing same | Jin Woo Lee, Eun Il Kim, Joon-Ryeo Park | 2015-05-19 |
| 8664142 | Manufacturing method of solid catalyst for propylene polymerization | Joon-Ryeo Park, Eun Il Kim, Jin Woo Lee | 2014-03-04 |
| 8394734 | Solid catalyst for propylene polymerization and a method for preparation of polypropylene using the same | Jin Woo Lee, Eun Il Kim, Joon-Ryeo Park | 2013-03-12 |
| 7754833 | Process for polymerization or copolymerization of ethylene | Ho-Sik Chang, Chun-Byung Yang | 2010-07-13 |
| 7151071 | Method for preparation of a solid titanium catalyst for olefin polymerization | Ki-Hwa Lee, Chun-Byung Yang, Ho-Sik Chang | 2006-12-19 |
| 7060764 | Method for polymerization and copolymerization of ethylene | Chun-Byung Yang, Yong Bok Lee, Won Young Kim | 2006-06-13 |
| 7045478 | Method of producing a catalyst for ethylene homo-and co-polymerization | Chun-Byung Yang, Ho Yeoun Kim, Eun-Ha Kim | 2006-05-16 |
| 6958378 | Method for producing homo-and co-polymers of ethylene | Chun-Byung Yang, Yong Bok Lee, Weon Lee | 2005-10-25 |
| 6914028 | Method for producing a catalyst for homo-or co-polymerization of ethylene | Chun-Byung Yang, Weon Lee | 2005-07-05 |
| 6831033 | Method of preparing a catalyst for polymerization and copolymerization of ethylene | Chun-Byung Yang, Weon Lee | 2004-12-14 |
| 6803338 | Catalyst for homo- or co-polymerization of ethylene | Chun-Byung Yang, Weon Lee | 2004-10-12 |
| 6803427 | Method for producing ethylene homo- and co-polymer | Chun-Byung Yang, Weon Lee | 2004-10-12 |
| 6762145 | Method of making a catalyst for polymerization and co-polymerization of ethylene | Chun-Byung Yang, Weon Lee | 2004-07-13 |