Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363767 | Esters of 4-[2,2-dicyano-ethenyl]-phenols | Dietrich Demus, Wolfgang Weissflog, Horst Zaschke, Horst Kresse | 1982-12-14 |
| 4348298 | Nematic liquid crystal mixtures | Horst Zaschke, Gerhard Pelzl, Dietrich Demus | 1982-09-07 |