Assignee
WERK FERNSEHELEKTRONIK VEB
DE·29 granted patents·409 citations·filing 1973–1988
Top patents by PatentIndex Score
29 records- 0188US4099856ANematic liquid crystalline substancesWERK FERNSEHELEKTRONIK VEB·Filed 1973·Granted Jul 11, 1978·32 cites·27 claims
- 0284US4348324ALiquid crystalline substituted 1,3-dioxanes and mixtures containing theseWERK FERNSEHELEKTRONIK VEB·Filed 1979·Granted Sep 7, 1982·31 cites·40 claims
- 0382US4952699ALiquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phasesWERK FERNSEHELEKTRONIK VEB·Filed 1988·Granted Aug 28, 1990·19 cites·12 claims
- 0481US4874544AFerroelectric liquid crystalsWERK FERNSEHELEKTRONIK VEB·Filed 1988·Granted Oct 17, 1989·25 cites·18 claims
- 0580US4486332ALiquid crystalline nematic substancesWERK FERNSEHELEKTRONIK VEB·Filed 1982·Granted Dec 4, 1984·15 cites·12 claims
- 0680US4344856ACrystalline-liquid substituted 1,3-dioxanes and mixtures containing themWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Aug 17, 1982·37 cites·3 claims
- 0779US4311610ALiquid crystalline 5-alkyl-2 (4-acyloxy-phenyl)-pyrimidineWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Jan 19, 1982·38 cites·22 claims
- 0878US4293434ALiquid crystal compoundsWERK FERNSEHELEKTRONIK VEB·Filed 1979·Granted Oct 6, 1981·33 cites·2 claims
- 0971US4363767AEsters of 4-[2,2-dicyano-ethenyl]-phenolsWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Dec 14, 1982·10 cites·12 claims
- 1065US4668426ALiquid crystalline substancesWERK FERNSEHELEKTRONIK VEB·Filed 1985·Granted May 26, 1987·7 cites·17 claims
- 1161US4485377ALED Displays with high information contentWERK FERNSEHELEKTRONIK VEB·Filed 1982·Granted Nov 27, 1984·32 cites·15 claims
- 1260US4358393ANematic liquid crystals of 5-cyano-2-[4-acyloxyphenyl]-pyrimidines and mixtures containing the sameWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Nov 9, 1982·18 cites·10 claims
- 1351US4421670ALiquid crystal dihydrophenanthrene substancesWERK FERNSEHELEKTRONIK VEB·Filed 1981·Granted Dec 20, 1983·13 cites·19 claims
- 1450US4601846ALiquid crystal substances for the guest-host effectWERK FERNSEHELEKTRONIK VEB·Filed 1984·Granted Jul 22, 1986·4 cites·21 claims
- 1547US4734217ALiquid crystalline 2,6-disubstituted-trans-1,3-dioxadecalinsWERK FERNSEHELEKTRONIK VEB·Filed 1985·Granted Mar 29, 1988·3 cites·40 claims
- 1646US4626375ALiquid crystalline substancesWERK FERNSEHELEKTRONIK VEB·Filed 1984·Granted Dec 2, 1986·3 cites·20 claims
- 1746US4610805ANematic liquid crystal mixturesWERK FERNSEHELEKTRONIK VEB·Filed 1985·Granted Sep 9, 1986·10 cites·10 claims
- 1846US4391730ANematic liquid crystal compounds and use and device for using the sameWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Jul 5, 1983·11 cites·11 claims
- 1945US4348298ANematic liquid crystal mixturesWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Sep 7, 1982·10 cites·10 claims
- 2044US4519936ANematic liquid crystals and method of productionWERK FERNSEHELEKTRONIK VEB·Filed 1982·Granted May 28, 1985·9 cites·20 claims
- 2142US4585576ALiquid-crystal nematic substancesWERK FERNSEHELEKTRONIK VEB·Filed 1984·Granted Apr 29, 1986·2 cites·15 claims
- 2242US4358589ANematic liquid crystal compoundsWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Nov 9, 1982·9 cites·11 claims
- 2341US4961876ALiquid crystalline ferroelectric derivatives of branched acyclic alpha-chlorocarboxylic acidsWERK FERNSEHELEKTRONIK VEB·Filed 1988·Granted Oct 9, 1990·8 cites·8 claims
- 2441US4521327ANematic liquid crystals and method for production thereofWERK FERNSEHELEKTRONIK VEB·Filed 1983·Granted Jun 4, 1985·8 cites·38 claims
- 2535US4767565ASwitching time shortening dopants for liquid crystalline mixturesWERK FERNSEHELEKTRONIK VEB·Filed 1987·Granted Aug 30, 1988·4 cites·5 claims
- 2632US4842375AMethod for the orientation of liquid crystalsWERK FERNSEHELEKTRONIK VEB·Filed 1987·Granted Jun 27, 1989·10 cites·14 claims
- 2730US4597892ALiquid crystalline 2-substituted-5-(1-alkyl-piperid-4-yl)-1,3-dioxanesWERK FERNSEHELEKTRONIK VEB·Filed 1985·Granted Jul 1, 1986·3 cites·14 claims
- 2830US4356103ALiquid crystals for electro-optical devicesWERK FERNSEHELEKTRONIK VEB·Filed 1980·Granted Oct 26, 1982·4 cites·7 claims
- 2929US4615824AMixing component for liquid crystal substancesWERK FERNSEHELEKTRONIK VEB·Filed 1984·Granted Oct 7, 1986·1 cites·11 claims
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