Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464660 | Use of special compounds as smoothing agents in combing oils | Wolfgang Becker, Raymond Mathis, Syliva Stapper-Druyen, Rainer Hoffmann, Yasar C. Kiray | 1995-11-07 |
| 5439709 | Fatty acid methyl esters in lubricants for card spinning | Wolfgang Becker, Raymond Mathis, Ulrich Eicken, Silvia Stapper-Druyen | 1995-08-08 |