Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626793 | Liquid-crystalline compounds | Volker Reiffenrath, Herbert Plach, Detlef Pauluth, Reinhard Hittich, Eike Poetsch +2 more | 1997-05-06 |
| 5589102 | Benzene derivatives, and liquid-crystalline medium | Kazuaki Tarumi | 1996-12-31 |
| 5571449 | Partially fluorinated benzene derivatives | Herbert Plach, Rudolf Eidenschink | 1996-11-05 |
| 5562858 | Hexafluoropropyl ethers, and liquid-crystalline medium | Detlef Pauluth, Herbert Plach | 1996-10-08 |
| 5536442 | Fluorinated liquid crystal compounds and liquid crystal medium containing same | Volker Reiffenrath, Hans-Adolf Kurmeier, Eike Poetsch, Herbert Plach, Ulrich Finkenzeller +4 more | 1996-07-16 |
| 5519525 | Matrix liquid crystal display | Georg Weber, Ludwig Pohl, Reinhard Hittich, Herbert Plach, Bernhard Scheuble +3 more | 1996-05-21 |
| 5496499 | Biphenylethanes and liquid-crystalline phase | Eike Poetsch, Volker Meyer, Klaus P. Stahl, Volker Reiffenrath, Ulrich Finkenzeller +6 more | 1996-03-05 |
| 5487845 | Fluorobenzene derivatives and liquid-crystalline medium | Volker Reiffenrath, Hans-Adolf Kurmeier, Eike Poetsch, Herbert Plach, Ulrich Finkenzeller +2 more | 1996-01-30 |
| 5458806 | Fluoromethyl ketones and liquid-crystalline media | Herbert Plach | 1995-10-17 |
| 5422035 | Benzene derivatives, and liquid-crystalline medium | Herbert Plach, Andreas Ruhl | 1995-06-06 |
| 5403512 | Vinyl compounds, and a liquid-crystalline medium | Herbert Plach, Rudolf Eidenschink, Volker Reiffenrath, Detlef Pauluth, Eike Poetsch +4 more | 1995-04-04 |
| 5393459 | Optically active compounds, and a liquid-crystalline phase | Andreas Wachtler, Thomas Geelhaar, Reinhard Hittich, Joachim Krause, Eike Poetsch | 1995-02-28 |
| 5389289 | Liquid-crystalline medium | Bernhard Rieger, Hans-Adolf Kurmeier, Eike Poetsch, Herbert Plach | 1995-02-14 |
| 5389292 | Difluoromethyl compounds | Dieter Dorsch, Hans-Adolf Kurmeier, Ulrich Finkenzeller, Georg Weber, Herbert Plach +1 more | 1995-02-14 |
| 5384065 | Matrix liquid-crystal display | Thomas Geelhaar, Bernhard Rieger, Volker Reiffenrath, David Coates | 1995-01-24 |
| 5378395 | Matrix liquid crystal display | Georg Weber, Ludwig Pohl, Reinhard Hittich, Herbert Plach, Bernhard Scheuble +3 more | 1995-01-03 |
| 5262085 | Trifluoromethylene compounds | Eike Poetsch, Ulrich Finkenzeller, Herbert Plach | 1993-11-16 |
| 5232624 | Chiral 1,2-difluorobenzene derivatives | Volker Reiffenrath, Joachim Krause, Andreas Wachtler, Thomas Geelhaar, Reinhard Hittich | 1993-08-03 |
| 5230829 | Phenylcyclohexanes, and a liquid-crystalline medium | Joachim Krause, Eike Poetsch, Reinhard Hittich, Bernhard Rieger, Ulrich Finkenzeller | 1993-07-27 |
| 5200293 | Photoresist composition containing specific amounts of a naphthoquinone diazide sulfonyl ester of tetrahydroxy diphenyl sulfide and a polyhydroxy compound | Reinhard Schulz, Horst Munzel | 1993-04-06 |
| 5188759 | Haloacetylene derivatives | Reinhard Hittich, Herbert Plach, Ulrich Finkenzeller | 1993-02-23 |
| 5122295 | Matrix liquid crystal display | Georg Weber, Ludwig Pohl, Reinhard Hittich, Herbert Plach, Bernhard Scheuble +3 more | 1992-06-16 |
| 5106718 | Positive photoresist composition containing alkali-soluble phenolic resin, photosensitive quinonediazide compound and sulfonyl containing compound | Reinhard Schulz, Horst Munzel | 1992-04-21 |
| 5104768 | Positive photoresist composition containing radiation sensitive quinonediazide compound and completely esterified polyamic acid polymer | Jörg Sassmannshausen, Reinhard Schulz | 1992-04-14 |
| 5045229 | Difluoromethylene compounds | Reinhard Hittich, Hans-Adolf Kurmeier, Eike Poetsch, Herbert Plach | 1991-09-03 |