Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10806174 | Lyocell material for cigarette filter and method for preparing same | Jong Cheol JEONG, Sang Woo JIN, Woo-Chul Kim, Sang Yoel LEE, Jong Yeol Kim +4 more | 2020-10-20 |
| 10617146 | Method of manufacturing a lyocell material for a cigarette filter | Sang Woo JIN, Woo-Chul Kim, Yong-Kwan Cho, Jong Cheol JEONG, Sang Yoel LEE +6 more | 2020-04-14 |
| 10604615 | Rigid polyurethane foam and preparation method thereof | Sun Joo MOON, Da Eun Kim, Jeung Yil PARK, Min Ho Jung, Young Ran Kim +2 more | 2020-03-31 |