Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043087 | Addives for paraffinic lubricants | Horst Pennewiss, Heinz Jost | 1991-08-27 |
| 4968444 | Lubricating oil additives | Ulrich Schoedel, Horst Pennewiss, Heinz Jost | 1990-11-06 |
| 4867894 | Pour point improving additives for mineral oils | Horst Pennewiss, Heinz Jost | 1989-09-19 |
| 4822508 | Shear stable multirange oils having an improved viscosity index | Horst Pennewiss, Heinz Jost | 1989-04-18 |
| 4665121 | Concentrated emulsions of olefin copolymers | Horst Pennewiss, Roland Schweder | 1987-05-12 |
| 4622358 | Concentrated emulsions of olefin copolymers | Horst Pennewiss, Roland Schweder | 1986-11-11 |