Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973619 | Masked thioglycolic acid ester and ca or zn fatty acid salt stabilizers for vinyl chloride polymers | — | 1990-11-27 |
| 4912159 | Stabilizer mixture for molding compounds based on polymers of vinyl chloride; use of said mixture; and molding compounds | Thomas Hildebrand | 1990-03-27 |
| 4849463 | Masked thioglycolic acid ester stabilizers for vinyl chloride polymers | — | 1989-07-18 |
| 4755549 | Stabilized molding compounds based on polyvinyl chloride or vinyl chloride copolymers and stabilizer system | Heimo Bieringer | 1988-07-05 |