VR

Volker Reiffenrath

Merck: 215 patents #1 of 9,382Top 1%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
📍 Roßdorf, DE: #1 of 121 inventorsTop 1%
Overall (All Time): #2,821 of 4,157,543Top 1%
216
Patents All Time

Issued Patents All Time

Showing 176–200 of 216 patents

Patent #TitleCo-InventorsDate
5279764 Dihalogenobenzene derivatives Joachim Krause, Georg Weber, Ulrich Finkenzeller, Andreas Wachtler, Thomas Geelhaar +3 more 1994-01-18
5279762 Smectic liquid crystal phases Reinhard Hopf, Bernhard Scheuble, Reinhard Hittich, Joachim Krause, Eike Poetsch +2 more 1994-01-18
5273680 Fluorinated oligophenyls and their use in liquid crystal materials George W. Gray, Michael Hird, David Lacey, Kenneth J. Toyne, Andreas Wachtler +3 more 1993-12-28
5271865 Liquid-crystalline mixture of low viscosity Reinhard Hittich, Herbert Plach 1993-12-21
5262556 Process for the reaction of halogenated aromatics with electrophiles Bernard Riefling, Jurgen Seubert, Reinhard Hittich 1993-11-16
5254698 Phenyldioxanes David Coates, Simon Greenfield, Graham Smith, Joachim Krause, Herbert Plach 1993-10-19
5248447 2,3-difluorohydroquinone derivatives Joachim Krause, Andreas Wachtler, Georg Weber, Thomas Geelhaar, David Coates +2 more 1993-09-28
5242618 Di- and trifluorotolans Joachim Krause, Ulrich Finkenzeller 1993-09-07
5236620 2,3-difluorobenzene derivatives Joachim Krause, Andreas Wachtler, Georg Weber, Thomas Geelhaar 1993-08-17
5232624 Chiral 1,2-difluorobenzene derivatives Joachim Krause, Andreas Wachtler, Thomas Geelhaar, Ekkehard Bartmann, Reinhard Hittich 1993-08-03
5230827 Derivatives of 2,3-difluorobenzoic acid Joachim Krause, Andreas Wachtler, Georg Weber, Thomas Geelhaar 1993-07-27
5213710 Benzene derivatives and a liquid-crystalline medium Reinhard Hittich, Herbert Plach 1993-05-25
5211878 Difluorobenzonitrile derivatives Joachim Krause, Andreas Wachtler, Georg Weber, Ulrich Finkenzeller 1993-05-18
5209866 Heterocyclic 1,2-difluorobenzene derivatives Joachim Krause, Andreas Wachtler, Thomas Geelhaar 1993-05-11
5209868 Trifluoromethylcyclohexane derivatives Eike Poetsch, Hans-Adolf Kurmeier, Georg Weber, Reinhard Hittich, Hans-Michael Kompter +1 more 1993-05-11
5205962 Pyridine derivatives David Coates, Simon Greenfield, Ian C. Sage, Robert William Clemitson, Herbert Plach 1993-04-27
5204017 Difluorobenzonitriles and liquid-crystalline medium Hans-Adolf Kurmeier, Bernhard Scheuble 1993-04-20
5204476 Fluorophenylpyridines Andreas Wachtler, Eike Poetsch, Thomas Geelhaar, Reinhard Hittich, Hans-Michael Kompter 1993-04-20
5204477 Pyridine derivatives in liquid crystalline medium useful for electrooptical display elements Eike Poetsch, Volker Meyer, Herbert Plach 1993-04-20
5204019 2,3-difluorobiphenyls Joachim Krause, Andreas Wachtler, Georg Weber, Ulrich Finkenzeller, David Coates +6 more 1993-04-20
5198149 Smectic liquid-crystal medium Joachim Krause, Andreas Wachtler, Thomas Geelhaar, David Coates, Ian C. Sage +1 more 1993-03-30
5196141 5-oxy-2-phenylpyridines, and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Thomas Geelhaar, Eike Poetsch 1993-03-23
5178790 Supertwist liquid crystal display Georg Weber, Herbert Plach, Reinhard Hittich 1993-01-12
5164114 Ethyne derivatives Hans-Adolf Kurmeier, Eike Poetsch, Joachim Krause, Georg Weber 1992-11-17
5151213 Fluorine-containing aromatic compounds Ulrich Finkenzeller 1992-09-29