Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047469 | Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalyzed by acids | Takanori Kitamura, Kunio Abe | 1991-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047469 | Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalyzed by acids | Takanori Kitamura, Kunio Abe | 1991-09-10 |