Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924032 | Flame retarding polypropylene fiber and production method thereof and flame retarding polypropylene film | Yoshishige Shimizu, Hiroshi Yamamoto | 2005-08-02 |
| 6921504 | Process of making flame retarding polypropylene fiber | Yoshishige Shimizu, Hiroshi Yamamoto | 2005-07-26 |