Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485578 | Chemical cleaning process for removing fouling | Sam Ryong Park, Young-Kyoung Ahn, Ki Hyun Lee, Sung-Joong Kim | 2002-11-26 |
| 6187109 | Cleaning composition for removing fouling and a method for using the same | Sam Ryong Park, Young-Kyoung Ahn, Gi Won Park | 2001-02-13 |