Inventor · disambiguated record
Klaus Praefcke
Also filed as: PRAEFCKE KLAUS
9 granted patents·153 citations·filing 1982–1997
90Inventor score
Top patents by PatentIndex Score
9 records- 0182US5969154ALiquid crystalline diketopyrrolopyrrolesCIBA SC HOLDING AG·Filed 1997·Granted Oct 19, 1999·35 cites·16 claims
- 0280US4713196APolymer compositions exhibiting liquid-crystalline phasesMERCK PATENT GMBH·Filed 1985·Granted Dec 15, 1987·30 cites·16 claims
- 0377US4894181ACarbocyclic compoundsMERCK PATENT GMBH·Filed 1988·Granted Jan 16, 1990·12 cites·16 claims
- 0477US4734522ACarbocyclic six-membered ring compoundsMERCK PATENT GMBH·Filed 1986·Granted Mar 29, 1988·12 cites·13 claims
- 0573US4758373ACarbocyclic compoundsMERCK PATENT GMBH·Filed 1986·Granted Jul 19, 1988·10 cites·19 claims
- 0673US4419263ALiquid crystalline cyclohexylcarbonitrile derivativesMERCK PATENT GMBH·Filed 1982·Granted Dec 6, 1983·26 cites·20 claims
- 0764US4578210ACarbocyclic six-membered ring compoundsMERCK PATENT GMBH·Filed 1984·Granted Mar 25, 1986·17 cites·10 claims
- 0846US4877220AHexasubstituted cyclohexane compoundsMERCK PATENT GMBH·Filed 1986·Granted Oct 31, 1989·3 cites·5 claims
- 0942US4631143ATriphenylene derivativesMERCK PATENT GMBH·Filed 1984·Granted Dec 23, 1986·8 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →