Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020051 | Photographic base paper with gold printing on back side | Rolf Ebisch | 2000-02-01 |
| 5756200 | Photographic support material with a backlayer containing coarse silica particles of specific pore volume | Rolf Ebisch, Hans-Udo Tyrakowski | 1998-05-26 |
| 5466536 | Reverse side coating for photographic support | Rolf Ebisch, Eckehard Saverin, Udo Tyrakowski | 1995-11-14 |