Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306222 | Process for cleaning plastics for recycling them | In-Bok Kim, Sung-In Hong, Ik Soo Kim | 2001-10-23 |
| 4960450 | Selection and preparation of activated carbon for fuel gas storage | James A. Schwarz, Rajiv Agarwal | 1990-10-02 |