Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7029611 | Process of making poly(trimethylene terephthalate) bulked continuous filament carpet yarn | Young Chan CHOI, Jong Bok Lee | 2006-04-18 |
| 6627310 | Poly(trimethylene terephthalate) BCF carpet yarn with noncircular cross section and method for preparing the same | Young Chan CHOI, Jong Bok Lee | 2003-09-30 |