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Inventor:
Broer; Dirk J.
Address:
Wilmington, DE
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
5676879 Molecularly oriented synthetic resin composition October 14, 1997
A molecularly oriented synthetic resin composition whose coefficient of linear thermal expansion in two mutually perpendicular directions, below the glass-transition temperature, is at least a factor of 3 smaller than in a third direction extending perpendicularly to the first two di
5221978 Liquid-crystal display device having rotationally symmetrical iso-contrast curves June 22, 1993
A liquid-crystal display device having an improved picture quality is obtained by rendering the iso-contrast curves rotationally symmetrical. This is obtained by means of a double cell construction, in which two identical TN-cells are present between two parallel polarizers, which TN
5210630 Liquid-crystal display device May 11, 1993
A liquid-crystal display device having a twisted nematic liquid-crystalline material is provided with a layer of an optically anisotropic material to obtain a colourless display device which is rich in contrast. The optically anisotropic material is a synthetic resin composition comprisi
5188760 Liquid crystalline material and display cell containing said material February 23, 1993
A liquid crystalline material in the form of an anisotropic gel comprising a polymerized liquid crystalline material and a low-molecular weight liquid crystalline material, can be used in a display cell, said polymerized material forming a permanently oriented network in the low-mole
5155610 Method of providing a liquid crystalline auxiliary layer in a display cell October 13, 1992
The invention relates to a method of providing a surface layer on a substrate, which surface layer can bring about an inclined orientation of the molecules of the liquid crystalline layer applied to the surface layer at the interface between the surface layer and the liquid crystalline
5145579 Method of manufacturing a separation column September 8, 1992
Glass capillaries having an internal diameter of a few micrometers are internally provided with a relatively thick polymer film by in-situ polymerisation of suitable monomers and/or oligomers in a solvent. The said polymer film is suitable as a stationary phase for liquid chromatogra
5082559 Glass chromatography capillary with relatively thick coating January 21, 1992
Glass capillaries having an internal diameter of a few micrometers are internally provided with a relatively thick polymer film by in-situ polymerization of suitable monomers and/or oligomers in a solvent. The said polymer film is suitable as a stationary phase for liquid chromatogra










 
 
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