Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829109 | Polymeric compositions suitable for use as bitumen modifiers and bituminous compositions so modified | Vittorio Ciaccia | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829109 | Polymeric compositions suitable for use as bitumen modifiers and bituminous compositions so modified | Vittorio Ciaccia | 1989-05-09 |