Inventor · disambiguated record
Ekkehard Bartmann
Also filed as: BARTMANN EKKEHARD
52 granted patents·1 pending application·835 citations·filing 1989–2006
99Inventor score
Files withMERCK PATENT GMBH41CIBA GEIGY CORP4CIBA SC HOLDING AG3MERCK KGAA3MERCK PATENT GES MIT BESHRANKT1
Top patents by PatentIndex Score
53 records- 0193US5122295AMatrix liquid crystal displayMERCK PATENT GMBH·Filed 1989·Granted Jun 16, 1992·69 cites·8 claims
- 0289US5536442AFluorinated liquid crystal compounds and liquid crystal medium containing sameMERCK PATENT GMBH·Filed 1992·Granted Jul 16, 1996·29 cites·16 claims
- 0389US5384065AMatrix liquid-crystal displayMERCK PATENT GMBH·Filed 1991·Granted Jan 24, 1995·67 cites·7 claims
- 0482US5045229ADifluoromethylene compoundsMERCK PATENT GMBH·Filed 1990·Granted Sep 3, 1991·41 cites·16 claims
- 0580US5487845AFluorobenzene derivatives and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1990·Granted Jan 30, 1996·33 cites·36 claims
- 0679US5230829APhenylcyclohexanes, and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1991·Granted Jul 27, 1993·16 cites·13 claims
- 0778US5643495A1,2,2,2-tetrafluoroethyl ethers, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Jul 1, 1997·18 cites·15 claims
- 0878US5589102ABenzene derivatives, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1995·Granted Dec 31, 1996·43 cites·17 claims
- 0978US5403512AVinyl compounds, and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1992·Granted Apr 4, 1995·35 cites·13 claims
- 1076US5626793ALiquid-crystalline compoundsMERCK PATENT GMBH·Filed 1995·Granted May 6, 1997·33 cites·9 claims
- 1172US5389289ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Feb 14, 1995·25 cites·20 claims
- 1272US5106718APositive photoresist composition containing alkali-soluble phenolic resin, photosensitive quinonediazide compound and sulfonyl containing compoundCIBA GEIGY CORP·Filed 1991·Granted Apr 21, 1992·25 cites·3 claims
- 1371US7186447B2Matrix liquid crystal displayMERCK PATENT GMBH·Filed 2005·Granted Mar 6, 2007·2 cites·15 claims
- 1469US6905740B2Matrix liquid crystal displayMERCK PATENT GMBH·Filed 2003·Granted Jun 14, 2005·7 cites·11 claims
- 1569US5378395AMatrix liquid crystal displayMERCK PATENT GMBH·Filed 1992·Granted Jan 3, 1995·20 cites·15 claims
- 1668US6350904B1Method for producing ortho-alkylated benzoic acid derivativesMERCK KGAA·Filed 1999·Granted Feb 26, 2002·17 cites·7 claims
- 1768US5641429AFluorobenzene derivatives and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1995·Granted Jun 24, 1997·23 cites·21 claims
- 1868US5562858AHexafluoropropyl ethers, and liquid-crystalline mediumMERCK PATENT GES MIT BESHRANKT·Filed 1995·Granted Oct 8, 1996·27 cites·11 claims
- 1967US6004479AMatrix liquid crystal displayMERCK KGAA·Filed 1995·Granted Dec 21, 1999·17 cites·12 claims
- 2066US5232624AChiral 1,2-difluorobenzene derivativesMERCK PATENT GMBH·Filed 1989·Granted Aug 3, 1993·7 cites·4 claims
- 2165US5730904APartially fluroinated benzene derivatives, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1997·Granted Mar 24, 1998·23 cites·16 claims
- 2265US5723682ADifluorovinyl ethersMERCK PATENT GMBH·Filed 1997·Granted Mar 3, 1998·22 cites·6 claims
- 2365US5705095APartially fluorinated benzene derivativesMERCK PATENT GMBH·Filed 1996·Granted Jan 6, 1998·9 cites·18 claims
- 2465US5458806AFluoromethyl ketones and liquid-crystalline mediaMERCK PATENT GMBH·Filed 1994·Granted Oct 17, 1995·8 cites·11 claims
- 2565US5389292ADifluoromethyl compoundsMERCK PATENT GMBH·Filed 1992·Granted Feb 14, 1995·8 cites·16 claims
- 2664US5262085ATrifluoromethylene compoundsMERCK PATENT GMBH·Filed 1991·Granted Nov 16, 1993·19 cites·9 claims
- 2763US5837162ALiquid-crystalline compoundsMERCK PATENT GMBH·Filed 1997·Granted Nov 17, 1998·7 cites·12 claims
- 2862US5496499ABiphenylethanes and liquid-crystalline phaseMERCK PATENT GMBH·Filed 1994·Granted Mar 5, 1996·7 cites·31 claims
- 2960US5679285AVinylene compounds and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1996·Granted Oct 21, 1997·18 cites·20 claims
- 3059US6159393ABenzene derivatives and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1995·Granted Dec 12, 2000·18 cites·13 claims
- 3157US5104768APositive photoresist composition containing radiation sensitive quinonediazide compound and completely esterified polyamic acid polymerCIBA GEIGY CORP·Filed 1989·Granted Apr 14, 1992·13 cites·2 claims
- 3255US7445818B2Matrix liquid crystal displayMERCK PATENT GMBH·Filed 2006·Granted Nov 4, 2008·0 cites·32 claims
- 3355US5744060ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1996·Granted Apr 28, 1998·14 cites·16 claims
- 3455US5422035ABenzene derivatives, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Jun 6, 1995·12 cites·19 claims
- 3555US5188759AHaloacetylene derivativesMERCK PATENT GMBH·Filed 1991·Granted Feb 23, 1993·5 cites·7 claims
- 3655US4980508AProcess for the preparation of 1,2-disulfone compoundsMERCK PATENT GMBH·Filed 1989·Granted Dec 25, 1990·4 cites·12 claims
- 3753US4980268ANegative photoresists of the polyimide type containing 1,2-disulfonesCIBA GEIGY CORP·Filed 1989·Granted Dec 25, 1990·15 cites·3 claims
- 3852US5571449APartially fluorinated benzene derivativesMERCK PATENT GMBH·Filed 1994·Granted Nov 5, 1996·10 cites·18 claims
- 3951US6706921B2Method for producing sulfonyl-benzoyl guanidinium saltsMERCK PATENT GMBH·Filed 2001·Granted Mar 16, 2004·1 cites·17 claims
- 4051US5717003AAcid-curable binder systems containing 1,2-disulfonesCIBA SC HOLDING AG·Filed 1992·Granted Feb 10, 1998·6 cites·3 claims
- 4151US5519525AMatrix liquid crystal displayMERCK PATENT GMBH·Filed 1993·Granted May 21, 1996·10 cites·18 claims
- 4249US6573404B2Method for producing ortho-alkylated benzoic acid derivativesMERCK PATENT GMBH·Filed 2002·Granted Jun 3, 2003·0 cites·3 claims
- 4348US6562419B1Matrix liquid crystal displayMERCK PATENT GMBH·Filed 1999·Granted May 13, 2003·6 cites·25 claims
- 4447US6515143B2Method for producing ortho-alkylated benzoic acid derivativesMERCK KGAA·Filed 2002·Granted Feb 4, 2003·0 cites·3 claims
- 4545US5753142ANematic liquid-crystal composition for active matrix applicationMERCK PATENT GMBH·Filed 1996·Granted May 19, 1998·8 cites·1 claims
- 4645US5637672APolyimides for STN displaysMERCK PATENT GMBH·Filed 1990·Granted Jun 10, 1997·11 cites·15 claims
- 4744US5985950AAcid-curable binder systems containing 1,2 disulfonesCIBA SC HOLDING AG·Filed 1998·Granted Nov 16, 1999·7 cites·6 claims
- 4842US2005143582A1Method for producing substituted 3-phenylamino-propane-1,2-diolsFiled 2003·Application pending·0 cites
- 4941US6156815AAcid-curable binder systems containing 1,2-disulfonesCIBA SC HOLDING AG·Filed 1999·Granted Dec 5, 2000·6 cites·4 claims
- 5040US5635107AFluorine-containing five-membered ring compounds, and a liquid-crystaline medium containing themMERCK PATENT GMBH·Filed 1993·Granted Jun 3, 1997·5 cites·10 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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