Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10131169 | Heat-sensitive recording material with salicylic acid derivative as (color) developer reactive with a dye precursor | Nora Wilke | 2018-11-20 |
| 9931877 | Heat-sensitive recording material having a novel color acceptor combination | Gerhard Stork, Matthias Neukirch | 2018-04-03 |
| 8603943 | Thermosensitive recording material | Gerhard Stork, Annette Schreiber | 2013-12-10 |