Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015774 | Preparation process of polyoxyalkylene polyamine having terminal secondary amino group | Fumio Yamazaki, Takayoshi Masuda | 1991-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015774 | Preparation process of polyoxyalkylene polyamine having terminal secondary amino group | Fumio Yamazaki, Takayoshi Masuda | 1991-05-14 |