Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373380 | Ferroelectric liquid crystal display with liquid crystal mixtures having high spontaneous polarization and short helical pitch and alignment layers containing lipophilic or amphiphilic compounds | Takamasa Harada, Claus Escher, Anke Kaltbeitzel, Norbert Rosch | 1994-12-13 |
| 5333075 | Ferroelectric liquid crystal mixtures containing lipohilizing, lipophilic or amphiphilic compounds for eliminating ionic impurities | Takamasa Harada, Claus Escher, Anke Kaltbeitzel, Norbert Rosch | 1994-07-26 |
| 5310499 | Oxazolidinone derivatives, and the use thereof as dopes in liquid-crystal mixtures | Gunter Scherowsky, Michael Sefkow, Rainer Wingen | 1994-05-10 |