Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815758 | Silica-based nonflammable material for replacing asbestos and method for preparing same | Jang Seop Oh | 2014-08-26 |
| 8506702 | Manufacturing method of lightweight construction materials using sludge waste | — | 2013-08-13 |
| 8470087 | Production method for a lightweight construction material using asbestos waste | — | 2013-06-25 |
| 8414827 | Porous light weight iron and method for preparing the same | — | 2013-04-09 |
| 8227364 | Porous planting medium containing minerals and method for preparing the same | — | 2012-07-24 |