Patents
Patent data provided by The
European Patent Office
and updated through early 2009. Full text patent data loaded weekly coming soon.
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US2006289829 (A1), filed
Nov 25, 2005
, published
Dec 28, 2006
- POETSCH EIKE
The invention relates to liquid-crystalline compounds of formula (I), wherein RSUP11/SUP, XSUP11/SUP, ZSUP11/SUP, ZSUP12/SUP, ZSUP13/SUP, LSUP11/SUP, LSUP12/SUP, LSUP13/SUP, LSUP14/SUP, LSUP15 /SUPand LSUP16 /SUPhave the meanings as cited in Claim 1 , and to a...
US2006025615 (A1), filed
Jun 02, 2005
, published
Feb 02, 2006
- POETSCH EIKE
The present invention relates to a process for the preparation of a compound of the general formula ?in-line-formulae description="In-line Formulae" end="lead"?R-(ASUP1/SUP-Z-)SUBm/SUBB-CFSUB2/SUBO-ASUP2/SUP-(ASUP3/SUP)SUBn/SUB-R' (I) ?in-line-formulae...
US2006058527 (A1), filed
May 27, 2005
, published
Mar 16, 2006
- BINDER WERNER
The invention relates to tetrahydropyran derivatives of the general formula I and to processes for the preparation thereof.
US2007001149 (A1), filed
Jun 23, 2004
, published
Jan 04, 2007
- DURMAZ ERDAL
The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive or negative dielectric anisotropy which is characterised in that it comprises one or more compounds of the general formula I in which RSUP1 /SUPand...
US2007205396 (A1), filed
Jan 26, 2007
, published
Sep 06, 2007
- POETSCH EIKE
A dielectrically positive liquid crystalline media comprising a dielectrically positive component, component A, comprising a dielectrically positive compound of formula I wherein the parameters have the meaning given in the specification, and optionally a...
US2006022168 (A1), filed
Jun 01, 2005
, published
Feb 02, 2006
- TAUGERBECK ANDREAS
The invention relates to novel cyclobutane derivatives of the formula (I), in which RSUP1/SUP, RSUP2/SUP, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of liquid-crystalline media, and to liquid-crystal and electro-op...
US3926999 (A), filed
Jan 09, 1973
, published
Dec 16, 1975
- MERCK PATENT GMBH
Arylpiperazines of the formula R-A-Z wherein R is OR R2-Q-, in which R1 is H, alkyl, Ar or COR3; R2 is H or alkyl; R3 is alkyl, aralkyl or substituted or unsubstituted aryl, and Q is -CX1=CH-CO-, -C 3BOND C-CO-, -CH=CX1-CO-, -CHX1-CHX1-CO-, -CO-CH=CX1-, -CO-C...
US2008020148 (A1), filed
Sep 28, 2005
, published
Jan 24, 2008
- BEST PETER
The present invention relates to chromane derivatives of the general formula I and of the general formula (II) and chromene derivatives of the general formulae (III) and (IV) and chromene derivatives of the general formulae (V) and (VI) in which RSUP1/SUP,...
US2008173844 (A1), filed
Jul 19, 2007
, published
Jul 24, 2008
- REIGER BERNHARD
Novel phenylcyclohexanes of the formula I in which n is 0 to 7, QSUP1 /SUPand QSUP2 /SUPare H, or one of these radicals is alternatively CHSUB3/SUB, r is 0, 1, 2, 3, 4 or 5, A is trans-1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or a single bond,...
US2005205843 (A1), filed
May 13, 2005
, published
Sep 22, 2005
- SCHULER BRIGITTE
The invention relates to liquid-crystalline phenol esters of the formula I in which R, ASUP1/SUP, ZSUP1/SUP, m, L and Y are as defined in Claim 1, to liquid-crystalline media comprising at least one phenol ester of the formula I, and to electro-optical...
US2005244718 (A1), filed
Dec 30, 2004
, published
Nov 03, 2005
- PINOL MILAGROS
The invention relates to new polymerizable, luminescent compounds of formula I wherein RSUP1/SUP, RSUP2/SUP, ASUP1/SUP, ASUP2/SUP, ASUP3/SUP, ZSUP1/SUP, W and Q have the meanings given in claim 1. Furthermore the invention relates to polymerizable mixtures...
US2006284139 (A1), filed
Aug 24, 2006
, published
Dec 21, 2006
- SCHULER BRIGITTE
The invention relates to liquid-crystalline phenol esters of the formula I in which R, ASUP1/SUP, ZSUP1/SUP, m, L and Y are as defined in Claim 1 , to liquid-crystalline media comprising at least one phenol ester of the formula I, and to electro-optical...
US2008251761 (A1), filed
Oct 11, 2006
, published
Oct 16, 2008
- BINDER WERNER
The invention relates to novel dioxane derivatives of the formula RSUP1/SUP-(ASUP1/SUP-ZSUP1/SUP)SUBm/SUBG-(ZSUP2/SUP-ASUP2/SUP)SUBn/SUB-RSUP2/SUP, in which G denotes (I) or (II), and in which RSUP1/SUP, RSUP2/SUP, ASUP1/SUP, ASUP2/SUP, ZSUP1/SUP, ZSUP2/SUP, m...
US2007034828 (A1), filed
May 24, 2004
, published
Feb 15, 2007
- BINDER WERNER
The invention relates to liquid-crystalline compounds of the formula (I), where RSUP11/SUP, XSUP11/SUP, LSUP11/SUP, Y and W are as defined in claim 1, and to the use thereof in liquid-crystalline media, to liquid-crystalline media comprising at least one...
US2005205842 (A1), filed
Dec 17, 2004
, published
Sep 22, 2005
- SCHULER BRIGITTE
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, comprising at least one pyran compound of the formula I and one or more compounds selected from the group consisting of the compounds...
