Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466536 | Reverse side coating for photographic support | Hans-Ulrich Berner, Rolf Ebisch, Udo Tyrakowski | 1995-11-14 |
| 5318886 | Reverse side coating of photographic support materials | Hans-Udo Tyrakowski | 1994-06-07 |
| 5232824 | Coating mass for the back of photographic support materials | Hans-Udo Tyrakowski | 1993-08-03 |
| 5221555 | Reverse side coating of photographic support materials | Hans-Udo Tyrakowski | 1993-06-22 |
| 5104779 | Multifunctional layer for a photographic element and a coating | Hans-Udo Tyrakowski | 1992-04-14 |
| 5045394 | Writeable photographic support materials | Hans-Udo Tyrakowski | 1991-09-03 |