Sulfoderivatives of acenaphtho[1,2- b ]quinoxaline,...

Details Sulfoderivatives of acenaphtho[1,2- b ]quinoxaline,... Sulfoderivatives of acenaphtho[1,2- b ]quinoxaline,...

2006-05-16

2006-05-16

Wu, Shean C. (Department: 1756)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

C252S299010, C252S299500, C428S001300, C428S001310, C544S342000

Reexamination Certificate

active

07045177

ABSTRACT:
The present invention provides a series of new chemical compounds, lyotropic liquid crystal systems, materials, blends, mixtures, namely acenaphtho[1,2-b]quinoxaline sulfoderivatives of the general structural formula:wherein n is an integer in the range of 1 to 4; m is an integer in the range of 0 to 4; z is an integer in the range of 0 to 6, and m+z+n≦10; X and Y are individually selected from the group consisting of CH3, C2H5, OCH3, OC2H5, Cl, Br, OH, OCOCH3NH2, NHCOCH3, NO2, F, CF3, CN, OCN, SCN, COOH, and CONH2; M is a counterion; and j is the number of counterions in the molecule.

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