Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Schoen; Sabine
Address:
Herten, DE
No. of patents:
18
Patents:












Patent Number Title Of Patent Date Issued
8277907 Liquid-crystalline medium October 2, 2012
The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (.DELTA..di-elect cons.), which is distinguished by the fact that it has a value for the ratio .gamma..sub.1/.DELTA.n.sup.2 in the range 6-45 with
8236390 Liquid-crystalline medium August 7, 2012
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds, characterized in that it comprises one or more compounds of the formula I ##STR00001## in which R.sup.1, X.sup.1, L.sup.1-5 have the meanings indicated in Claim 1, and to the use thereof for
7989035 Liquid crystalline medium August 2, 2011
The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (.DELTA..di-elect cons.), which is distinguished by the fact that it has a value for the ratio .gamma..sub.1/.DELTA.n.sup.2 in the range 6-45 with
7887849 Pigment mixture February 15, 2011
The invention relates to a pigment mixture consisting of at least two constituents, constituent A being uncoated, monocoated or multicoated glass lamellae, and constituent B being nacreous pigments based on phyllosilicates, SiO.sub.2 lamellae, Fe.sub.2O.sub.3 lamellae or Al.sub.2O.su
7704566 Liquid crystalline medium April 27, 2010
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterised in that it comprises one or more compounds of the formula I ##STR00001## and one or more compounds of the formula IA ##STR00002## in which R.sup.1
7691196 Effect pigments April 6, 2010
Disclosed are yellowing-stable, silver-white effect pigments having high whiteness based on synthetic mica flakes and to the use thereof in paints, lacquers, printing inks, plastics, button pastes, ceramic materials, glasses, for coloring seed, as dopant in laser markings of plastics
7604862 Multilayer pigments based on glass flakes October 20, 2009
The present invention relates to multilayer pigments based on glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, ink
7485183 Pigment mixture, and the use thereof in cosmetics and in the foods and pharmaceuticals sector February 3, 2009
Pigment mixtures which have at least two components, where component A comprises effect pigments based on glass flakes and component B comprises flake-form, needle-shaped, spherical or crystalline colorants or fillers, and to the use thereof, in particular in cosmetic formulations and fo
7479323 Encapsulated pigments January 20, 2009
Described are encapsulated pigments having an outer water-soluble shell and a core containing organic and/or inorganic pigments and optionally solvents and/or conventional additives. The encapsulated pigments have very good dissolution rates in aqueous systems and are therefore parti
7314653 Liquid-crystal medium and electro-optical display containing same January 1, 2008
Disclosed are nematic liquid-crystal media which have an initial current density of 0.05 .mu.A/cm.sup.2 or less and a threshold voltage of 1.0 V or less and their use in liquid-crystal displays, preferably TN or STN displays.
7175891 Liquid-crystalline medium February 13, 2007
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterized in that it comprises one or more compounds of the formula I ##STR00001## and one or more compounds of the formula IA ##STR00002## in which R.sup.1
7153550 Liquid crystalline medium and liquid crystal display December 26, 2006
The instant invention relates to liquid crystalline media comprising a dielectrically positive component, component A, consisting of dielectrically positive compounds, comprising one or more compounds of formula I and one or more compounds of formula II ##STR00001## wherein the para
7105210 Liquid-crystalline medium September 12, 2006
A liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, which contains one or more compounds of the formula I ##STR00001## and one or more compounds of the formula IA ##STR00002## in which R.sup.1, R.sup.2, ring A, L.sup.1-8, Z.sup.1, X.
7078079 Liquid-crystalline medium July 18, 2006
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterised in that it comprises one or more compounds of the general formula I ##STR00001## in which R.sup.1, ##STR00002## L.sup.1, L.sup.2, L.sup.3, L.sup.4,
7056561 Liquid-crystalline medium June 6, 2006
The invention relates to a liquid-crystalline medium based on a mixture of polar compounds of positive dielectric anisotropy, characterised in that it comprises one or more ester compounds of the formula I ##STR00001## and one or more compounds of the formula IA ##STR00002## in which
7048974 Liquid crystal mixtures May 23, 2006
The invention relates to TN and STN liquid-crystal displays and to the nematic liquid-crystal mixtures used therein, characterised in that they comprise one or more compounds of the formula I ##STR00001## and one or more compounds of the formula II ##STR00002## in which ring A, R.sup.1
6902777 Liquid-crystalline medium June 7, 2005
A liquid-crystalline mediums which contain one or more compounds of the formula A ##STR1##and at least one compound of the formula B ##STR2##wherein compounds of formula A contain at least one ring selected from ##STR3##and in which R.sup.a, R.sup.b, ring A and ring B, Y, Z.sup.1, Z.
6730372 Liquid-crystalline medium May 4, 2004
The invention relates to a liquid-crystalline medium which is characterized in that it comprises one or more compounds of the formula A ##STR1##and at least one compound of the formula B ##STR2##in which R.sup.a, R.sup.b, Y, Z.sup.1, Z.sup.2, L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup










 
 
  Recently Added Patents
Tag-based apparatus and methods for neural networks
(4940
Image-processing method and program, and image-processing apparatus
Navigation system and navigation apparatus
Stabilised prostaglandin composition
Scalable pixel coverage function-map
Selecting from a plural of energy saving modes
  Randomly Featured Patents
Heat insulating device for low temperature liquified gas storage tanks
Method for manufacturing composite bicycle frame
Connector for a smart card reader apparatus and card reader comprising same
1-Methyl-4-piperidinol esters of 4-quinolinylamino benzoates and antiinflammatory and analgesic compositions and methods employing them
Purification of chlorophenolic derived compounds
Method and system for a real-time distributed navigation system
Axle Puller
Ultrasonic slitting of photovoltaic cells and modules
NOx control in fluidized bed combustion
Method and apparatus for determining a condition and relative location of an inner tire and an outer tire of a tire pair