Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822547 | Process for the extrusion of compositions comprising polypropylene, polyvinyl alcohol and a polypropylene-polyvinyl alcohol adhesive | — | 1989-04-18 |
WD
Wayne E. Derrick
Overall (1989): #31,953 of 140,708Top 25%
1
Patents 1989