Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351658 | Polypropylene resin, polypropylene fiber and method for preparing the same | Seong Min Chae, Hyunsup Lee, Heekwang Park, Jihwa Ye | 2025-07-08 |
| 12209173 | Pellet-type polypropylene resin composition and method for preparing the same | Heekwang Park, Seong Min Chae, Jihwa Ye | 2025-01-28 |
| 11913935 | Method for evaluating properties of polypropylene resin, method for preparing polypropylene non-woven fabric, and polypropylene non-woven fabric | Hyunsup Lee, Seong Min Chae, Heekwang Park, Ki Soo Lee, Sangjin Jeon +1 more | 2024-02-27 |
| 11885044 | Method for producing polypropylene nonwoven fabric | Seong Min Chae, Churl-Young Park, Sangjin Jeon, Taejin Kim | 2024-01-30 |
| 11759977 | Polypropylene resin pellet and method for preparing the same | Heekwang Park, Hye Kyung Lee, Ha Na Park, Hyunsup Lee, Seong Min Chae +3 more | 2023-09-19 |
| 11414537 | Resin composition for bi-component fiber | Seong Min Chae, Jihwa Ye, Heekwang Park, Taejin Kim, Daeyeon Lee | 2022-08-16 |
| 11384180 | Polypropylene and method for preparing the same | Taejin Kim, Seong Min Chae, Sang Jin Jeon, In Yong Jung | 2022-07-12 |
| 11345767 | Propylene copolymer resin composition and method for preparing the same | Heekwang Park, Seong Min Chae, Sangjin Jeon, Hyunsup Lee, Jihwa Ye | 2022-05-31 |
| 11339234 | Propylene random copolymer | Jihwa Ye, Taejin Kim, Heekwang Park, Seong Min Chae, Daeyeon Lee | 2022-05-24 |
| 11198779 | Propylene-butene copolymer resin composition and method of preparing the same | Hee Kwang Park, Sang Jin Jeon, Hyunsup Lee, In Sun Lee, Jin Hyun Park +1 more | 2021-12-14 |
| 11111323 | Homopolypropylene resin for non-woven fabric and method for preparing the same | Hee Kwang Park, Byung Seok Kim, Sang Jin Jeon, Seong Min Chae | 2021-09-07 |
| 10906998 | Non-stretched polypropylene-based film | Ji Ho Choi, Churl-Young Park, Ki Soo Lee, Sang Jin Jeon, Hee Kwang Park +2 more | 2021-02-02 |
| 10889667 | High-stiffness and energy-reducing polypropylene for foaming | Jin Hyun Park, Ji Ho Choi, Sang Jin Jeon, Sang Eun An, Ra Yun Choi +1 more | 2021-01-12 |
| 10633467 | Method for preparing long fiber-reinforcing olefin polymer and long fiber | Ki Soo Lee, Sang Jin Jeon, Sang Eun An, Ji Ho Choi, Jae Youp Cheong +2 more | 2020-04-28 |
| 10604597 | Polypropylene | Ji Ho Choi, In Yong Jung, Won Sang Lee, Sang Jin Jeon, Sang Eun An +1 more | 2020-03-31 |
| 10280238 | Transition metal compound, catalyst composition comprising same, and method for producing olefin polymer using same | Byung Seok Kim, Hee Kwang Park, Sang Eun An, In Sun Lee, Hye Kyung Lee +2 more | 2019-05-07 |
| 10214601 | Non-stretched polypropylene-based film | Ji Ho Choi, Churl-Young Park, Ki Soo Lee, Sang Jin Jeon, Hee Kwang Park +2 more | 2019-02-26 |
| 9884926 | Metallocene catalyst for preparing a high molecular weight polyolefin and a preparation method thereof | Hee Kwang Park, Hye Kyung Lee, Byung Seok Kim, Jae Youp Cheong, Ra Yun Choi +2 more | 2018-02-06 |
| 9783557 | Metallocene catalyst for preparing a high molecular weight polyolefin and a preparation method thereof | Hee Kwang Park, Byung Seok Kim, Hye Kyung Lee, Jae Youp Cheong, Sang Eun An +2 more | 2017-10-10 |
| 9771441 | Preparation method of a polypropylene and a polypropylene obtained therefrom | Ji Ho Choi, Churl-Young Park, Won Hee Kim, Sang Jin Jeon, Ra Yun Choi +1 more | 2017-09-26 |
| 9587053 | Preparation method of a propylene-1-butene copolymer and a propylene-1-butene copolymer obtained therefrom | Churl-Young Park, Won Hee Kim, Sang Jin Jeon, Ra Yun Choi, Byung Seok Kim +1 more | 2017-03-07 |
| 9527946 | Olefin block copolymer and preparation method thereof | Nan-Young Lee, Won Hee Kim, Sang Eun An, Sang Jin Jeon, Cheon-Il Park +1 more | 2016-12-27 |
| 9109055 | Transition metal catalyst composition including a transition metal compound and a method of preparing a polyolefin using the catalyst composition | Won Hee Kim, Nan-Young Lee, Sang Jin Jeon | 2015-08-18 |
| 9079992 | Olefin block copolymer and preparation method thereof | Nan-Young Lee, Won Hee Kim, Sang Eun An, Sang Jin Jeon, Cheon-Il Park +1 more | 2015-07-14 |
| 9062146 | Olefin block copolymer | Won Hee Kim, Nan-Young Lee, Sang Jin Jeon, Sang Eun An | 2015-06-23 |