Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137946 | Process for preparing a bituminous binder modified with plastic for building materials | — | 1992-08-11 |
| 4988747 | Process for preparing a bituminous binder modified with plastics for building materials | — | 1991-01-29 |
| 4617201 | Method for producing a synthetic material-containing powder | — | 1986-10-14 |