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Inventor:
Sidorenko; Elena N.
Address:
Moscow, RU
No. of patents:
8
Patents:












Patent Number Title Of Patent Date Issued
7888505 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one carboxylic acids, their esters, and methods of syn February 15, 2011
The present invention relates to a 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one carboxylic acid and its esters of the general structural formula (I), and provides a method for their synthesis (I) where R and each R' are selected independently from the list comprising --H--CH.sub.3,
7262305 Anisotropic films based on 1,8-naphthoylene-1',2'-benzimidazole sulfonates and lyotropic liquid August 28, 2007
Optically anisotropic films based on sulfoderivatives of 1,8-naphthoylene-1',2'-benzimidazole are disclosed. These compounds form stable lyotropic liquid crystal systems that exhibit excellent optical properties with films that are significantly thinner that the current state of the
7160485 Lyotropic liquid crystal systems based on perylenetetracarboxylic acid dibenzimidazole sulfoderi January 9, 2007
Sulfoderivatives of perylenetetracarboxylic acid dibenzimidazole are provided. These compounds form liquid crystal systems possessing high quality optical properties. The resulting liquid crystal systems are readily applicable onto a substrate to obtain optically isotropic or anisotr
7045177 Sulfoderivatives of acenaphtho[1,2-b]quinoxaline, lyotropic liquid crystal and anisotropic film May 16, 2006
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: ##STR00001## wherein n is an integer in the range of 1 to 4; m is
7026019 Anisotropic films based on 1,8-naphthoylene-1',2'-benzimidazole sulfonates and lyotropic liquid April 11, 2006
Optically anisotropic films based on sulfoderivatives of 1,8-naphthoylene-1',2'-benzimidazole are disclosed. These compounds form stable lyotropic liquid crystal systems that exhibit excellent optical properties with films that are significantly thinner that the current state of the
7025900 Perylenetetracarboxylic acid dibenzimidazole sulfoderivatives containing oxo-groups in the peryl April 11, 2006
Anisotropic films based on sulfoderivatives of perylenetetracarboxylic acid dibenzimidazole (PTCA DBI) which contain oxo groups pendant to a perylene core. The oxo-groups, in combination with portions of the perylene core, form a quinoid system of bonds. The oxo substituted PTCA DBI
6962734 Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their b November 8, 2005
The present invention relates to organic chemistry, in particular, to synthesis of sulfoderivatives of the polycyclic compounds and fabrication of optically anisotropic coatings on their base.The indanthrone sulfoderivatives of the general structural formulas I or II capable of forming L
6583284 Anisotropic films based on sulfoderivatives of phenanthro-9', 10':2,3-quinoxaline and lyotropic June 24, 2003
Anisotropic films based on sulforderivatives of phenanthro-9',10':2,3-quinoxaline are disclosed. These compounds form liquid crystal and lyotropic liquid crystal systems that exhibit excellent optical properties with films that are significantly thinner than the current state of the










 
 
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