Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762268 | Acetal group containing norbornene copolymer for photoresist, method for producing the same and photoresist composition containing the same | Jung-Han Shin, Bong Seok Moon, Keun Yoon, Eun-Sil Han | 2004-07-13 |
| 6753127 | Norbornene-based copolymer for photoresist, preparation method thereof, and photoresist composition comprising the same | Eun-Sil Han, Bong Seok Moon, Jung-Han Shin | 2004-06-22 |