Issued Patents 2004
Showing 1–3 of 3 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 | Bong Seok Moon, Ouck Han, 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, Ouck Han | 2004-06-22 |
| 6753430 | Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereof | Sung June Yoon, Yong Ho Chung, Chi Woo Lee, Jin Soo Lee, Nam Doo Kim +5 more | 2004-06-22 |