Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370235 | Method of separating polyethylene (PE) and polypropylene (PP) | Ingo Stahl, Ulrich Kleine-Kleffmann, Iring Geisler, Ulrich Neitzel | 1994-12-06 |
| 5366091 | Method of separating poly(ethylene terephthalate) (PET) and poly(vinyl chloride) (PVC) | Ingo Stahl, Ulrich Kleine-Kleffmann, Iring Geisler, Ulrich Neitzel | 1994-11-22 |
| 5358119 | Method of separating a mixture of plastics comprising at least three components using electrostatic techniques | Ingo Stahl, Ulrich Kleine-Kleffmann, Iring Geisler, Ulrich Neitzel | 1994-10-25 |