Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900455 | Finishes for stable fibers of synthetic polymers | Ferdinand Kummeler, Rudolf J. Klee, Ralf Miessen | 1990-02-13 |
| 4863478 | Dressing agent for synthetic fibers | Ferdinand Kummeler, Ralf Miessen, Rudolf J. Klee | 1989-09-05 |
| 4446034 | Textile-treatment agents, and their use for finishing textile materials | Wilfried Kortmann, Josef Pfeiffer | 1984-05-01 |
| 4332587 | Colorant preparations, a process for their production and their use for coloring plastics | Michael Kressner, Fritz Bremer, Georg Pape, Karlheinz Wolf, Ferdinand Kummeler | 1982-06-01 |
| 4212749 | Liquid preparation of fatty acid/alkanolamine condensates | — | 1980-07-15 |