KP

Klaus Praefcke

Merck: 8 patents #1,412 of 9,382Top 20%
CC Ciba Specialty Chemicals: 1 patents #701 of 1,233Top 60%
Overall (All Time): #590,018 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5969154 Liquid crystalline diketopyrrolopyrroles Zhimin Hao, Abul Iqbal, Nancy Tebaldi 1999-10-19
4894181 Carbocyclic compounds Bernd Kohne, Eike Poetsch 1990-01-16
4877220 Hexasubstituted cyclohexane compounds Bernd Kohne, Werner Stephan 1989-10-31
4758373 Carbocyclic compounds Bernd Kohne, Eike Poetsch 1988-07-19
4734522 Carbocyclic six-membered ring compounds Bernd Kohne, Wadi Poules, Rudolf Eidenschink, Bernhard Scheuble 1988-03-29
4713196 Polymer compositions exhibiting liquid-crystalline phases Bernd Kohne, Eike Poetsch, Claus P. Herz 1987-12-15
4631143 Triphenylene derivatives Bernd Kohne, Wadi Poules, Eike Poetsch 1986-12-23
4578210 Carbocyclic six-membered ring compounds Bernd Kohne, Wadi Poules, Rudolf Eidenschink, Bernhard Scheuble 1986-03-25
4419263 Liquid crystalline cyclohexylcarbonitrile derivatives Dietmar Schmidt, Rudolf Eidenschink 1983-12-06