Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238570 | Novel expandable particles of a styrene polymer and process for preparing the same | Hideaki Shibata | 1980-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238570 | Novel expandable particles of a styrene polymer and process for preparing the same | Hideaki Shibata | 1980-12-09 |