Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868255 | Process for preparing vinyl chloride polymers by mass polymerization with spherical vessel | Jean Chatelain | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868255 | Process for preparing vinyl chloride polymers by mass polymerization with spherical vessel | Jean Chatelain | 1989-09-19 |