Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458518 | Photoresist stripper composition and method for stripping photoresist using the same | Sang-Sik Moon, Mi-sook Jeon, Pil-Kwon Jun, June-ing Kil, Sang-mun Chun | 2002-10-01 |
| 6432622 | Photoresist stripper composition and method for stripping photoresist using the same | Sang-Sik Moon, Mi-sook Jeon, Pil-Kwon Jun, June-ing Kil, Sang-mun Chun | 2002-08-13 |
| 6398874 | Use of alkoxy N-hydroxyalkyl alkanamide as resist removing agent, composition for removing resist, method for preparing the same and resist removing method using the same | Dong-Jin Park, Jin Ho Hwang, June-ing Gil, Sang-Mun Chon | 2002-06-04 |