Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020051 | Photographic base paper with gold printing on back side | Hans-Ulrich Berner | 2000-02-01 |
| 5756200 | Photographic support material with a backlayer containing coarse silica particles of specific pore volume | Hans-Ulrich Berner, Hans-Udo Tyrakowski | 1998-05-26 |
| 5658677 | Image carrier material for electrophotographic processes | Reiner Gumbiowski, Hartmut Schulz | 1997-08-19 |
| 5614345 | Paper for thermal image transfer to flat porous surface | Rainer Gumbiowski, Hartmut Schulz | 1997-03-25 |
| 5466536 | Reverse side coating for photographic support | Hans-Ulrich Berner, Eckehard Saverin, Udo Tyrakowski | 1995-11-14 |