Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266615 | Alkyl (meth)acrylate-maleic anhydride copolymer-modified bitumen | Juergen Omeis, Horst Pennewiss | 1993-11-30 |
| 5098550 | Method for dewaxing waxy petroleum products | Horst Pennewiss | 1992-03-24 |
| 4932980 | Polymeric fluidizer for middle distillates | Horst Pennewiss | 1990-06-12 |
| 4906682 | Ethylene-vinyl ester copolymer emulsions | Horst Pennewiss, Juergen Gebhardt | 1990-03-06 |
| 4835196 | Process for the production of a free flowing filled elastomer powder | Walter Kleinert | 1989-05-30 |
| 4771092 | Process for the production of free-flowing rubber powders with silicic acid as filler | Reiner Ollenik, Walter Kleinert | 1988-09-13 |
| 4757101 | Process for the production of a free flowing, powdered elastomer filled with silicic acid | Walter Kleinert, Klaus-Rudolf Meyer, Guenter Huhn, Juergen Simon | 1988-07-12 |