Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304982 | Polyolefin polymer and polyolefin polymerization system and method | Hee Jun Lee, Seung Tack Yu, Young Shin Jo, Sung-Ho Choi, Sung Woo Kang +1 more | 2025-05-20 |
| 11840588 | Polyolefin resin and preparation method thereof | Hee Jun Lee, Da Jung Kim, Sung-Ho Choi, Su Hyun Park | 2023-12-12 |
| 11680160 | Polyolefin resin composition and production method of same | Jang-woo Lee, Sah-Mun Hong, Da Jung Kim, Hee Jun Lee, Sung-Ho Choi +1 more | 2023-06-20 |
| 11332549 | Method for producing multimodal polyolefin using multistage continuous polymerization process | Seung Tack Yu, Jung-Nam Park, Young Shin Jo, Yong Jae Jun, Sung Woo Kang | 2022-05-17 |
| 11332553 | Catalyst composition for polymerizing polyolefin, method for producing polyolefin, and polyolefin resin | Da Jung Kim, Jang-woo Lee, Su Hyun Park, Sung-Ho Choi, Hee Jun Lee | 2022-05-17 |
| 10604604 | Multimodal polyolefin resin, and molded body manufactured therefrom | Seung Tack Yu, Yong Jae Jun, Young Shin Jo, Ki Soon Park, Jin-Sook Oh +5 more | 2020-03-31 |
| 10040883 | Multimodal polyolefin resin and molded product prepared therefrom | Seung Tack Yu, Sang-Won Yoo, Young-Jae Jun, Sah-Mun Hong | 2018-08-07 |
| 9975977 | Multimodal polyolefin resin having high melt strength and molded product prepared with the same | Yong Kim, Seung Tack Yu, Yong Jae Jun, Young Shin Jo, Dong-Sik Park | 2018-05-22 |
| 9518138 | Copolymer of ethylene and alpha-olefin, and method for preparing same | Jae-Hoon Uhm, Sang-Deok Mun, Jin Hun Ju, Hee Sun BAE, Sah-Mun Hong | 2016-12-13 |
| 9487607 | Catalyst composition for preparing multimodal polyolefin resin with remarkable moldability and mechanical properties, and polymerization method using same | Seung Tack Yu, Sah-Mun Hong, Yong Jae Jun, Da Jung Kim, Yong Kim | 2016-11-08 |
| 6525221 | Fuel detergent composed of hydropoly(oxyalkylene) oxyalkyl amine compound | Hyun-Ki Youn, Myeong Seok Kim, Jae-Hoon Uhm, Byeong-Gyu Lim | 2003-02-25 |
| 6090170 | Multihydroxypolyalkenyl-substituted amine compounds and fuel composition comprising the same | Hyun-Ki Yun, Jung Jin Kim, Yong-hwa Yeom, Il-seung Kim, Myeong-Seog Kim +1 more | 2000-07-18 |