Issued Patents 1994
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371224 | Process for preparing 2,5-dibromopyrimidine | Hubert Schlosser | 1994-12-06 |
| 5370823 | Pyrimidinecyclohexane derivatives, process for their preparation, and their use in liquid-crystalline mixtures | Gerhard Illian, Wolfgang Hemmerling | 1994-12-06 |
| 5354500 | Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them | Wolfgang Hemmerling, Ingrid Muller, Hans-Rolf Dubal, Claus Escher, Gerhard Illian +2 more | 1994-10-11 |
| 5348684 | Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures | Wolfgang Hemmerling, Hans-Rolf Dubal, Claus Escher, Gerhard Illian, Yoshio Inoguchi +3 more | 1994-09-20 |
| 5344585 | Use of 4-fluoropyrimidine derivatives as component for ferroelectric liquid crystal mixtures | Gerhard Illian | 1994-09-06 |
| 5334328 | Chiral azetidinone derivatives, and their use as dopes in liquid-crystal mixtures | Gunter Scherowsky, Claas Junghans, Anke Kaltbeitzel, Britta Michalski | 1994-08-02 |
| 5328638 | Optically active esters of 5-ethyl- and 5-vinyl-1,3-dioxolane-4-carboxylic acid, their use as doping substances in liquid crystal mixtures and the liquid crystal mixtures containing the new esters | Ingrid Muller, Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling, Gerhard Illian +2 more | 1994-07-12 |
| 5310499 | Oxazolidinone derivatives, and the use thereof as dopes in liquid-crystal mixtures | Gunter Scherowsky, Michael Sefkow, Gerd Illian | 1994-05-10 |
| 5286409 | Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures | Hans-Rolf Dubal, Claus Escher, Takamasa Harada, Wolfgang Hemmerling, Gerhard Illian +3 more | 1994-02-15 |