Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776945 | Polyester fiber having excellent light-shielding and flame retardant characteristic and textile goods using the same | Seung Cheol Yang, Eung Soo Kim | 2010-08-17 |
| 7399799 | Flame-retardant polyester polymer dyeable with cationic dye, method of producing the same, and copolyester fiber using the same | Seung Cheol Yang, Eung Soo Kim, Ik-Hyeon Kwon | 2008-07-15 |
| 7074368 | Batch-type polyester polymerization apparatus | Seoung-cheol Yang | 2006-07-11 |
| 6218008 | Easy dyeable polyester fiber | Hyoung-Jao Lee, Jung Min Kim | 2001-04-17 |