Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9931877 | Heat-sensitive recording material having a novel color acceptor combination | Gerhard Stork, Diana Valentina Becerra Siabato | 2018-04-03 |
| 9623696 | Composition for developing a visually discernible colour and corresponding heat-sensitive recording material | Nora Wilke nee Petersen | 2017-04-18 |
| 9308762 | Color acceptor reacting in a color-forming manner to a pigment precursor and heat-sensitive recording material having such a color acceptor | — | 2016-04-12 |