Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399827 | Quaternary ammonium phosphate compound and method of preparing same | Soon-Jong Hahn, Jeong-Joo Shin, Jae-Min Ha, Ki Man Park, Kwang-Hee Yoo +2 more | 2002-06-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399827 | Quaternary ammonium phosphate compound and method of preparing same | Soon-Jong Hahn, Jeong-Joo Shin, Jae-Min Ha, Ki Man Park, Kwang-Hee Yoo +2 more | 2002-06-04 |