Patents by Inventor Elena N. Sidorenko

Elena N. Sidorenko has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9733406
    Abstract: The present invention is related to 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one derivatives of the general structural formula (I), the anisotropic optical film based on these derivatives with phase-retarding properties for displays, and method of producing thereof: where X is a carboxylic group COOH, m is 0, 1, 2 or 3; Y is a sulfonic group SO3H, n is 0, 1, 2 or 3; Z is an acid amide group L-NH2; p is 0, 1, 2 or 3; K is a counterion selected from the list comprising H+, NH4+, Na+, K+, Li+, Mg2+, Ca2+, Zn2+, and Al3+; s is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list comprising CH3, C2H5, NO2, Cl, Br, F, CF3, CN, OH, OCH3, OC2H5, OCOCH3, OCN, SCN, NH2, and NHCOCH3; w is 0, 1, 2, 3 or 4; and R1 is a substituent selected from the list comprising H, CH3, C2H5, C3H7, i-C3H7, CH2CH2CH2CH3, CH(CH3)CH2CH3, CH2CH(CH3)CH3 and C(CH3)3 and L is a linking group.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: August 15, 2017
    Assignee: CRYSOPTIX KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
  • Publication number: 20150062694
    Abstract: The present invention is related to 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one derivatives of the general structural formula (I), the anisotropic optical film based on these derivatives with phase-retarding properties for displays, and method of producing thereof: where X is a carboxylic group COOH, m is 0, 1, 2 or 3; Y is a sulfonic group SO3H, n is 0, 1, 2 or 3; Z is an acid amide group L-NH2; p is 0, 1, 2 or 3; K is a counterion selected from the list comprising H+, NH4+, Na+, K+, Li+, Mg2+, Ca2+, Zn2+, and Al3+; s is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list comprising CH3, C2H5, NO2, Cl, Br, F, CF3, CN, OH, OCH3, OC2H5, OCOCH3, OCN, SCN, NH2, and NHCOCH3; w is 0, 1, 2, 3 or 4; and R1 is a substituent selected from the list comprising H, CH3, C2H5, C3H7, i-C3H7, CH2CH2CH2CH3, CH(CH3)CH2CH3, CH2CH(CH3)CH3 and C(CH3)3 and L is a linking group.
    Type: Application
    Filed: September 16, 2014
    Publication date: March 5, 2015
    Applicant: CRYSOPTIX KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
  • Patent number: 8865895
    Abstract: The present invention is related to 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one derivatives of the general structural formula (I), where X is a carboxylic group COOH, m is 0, 1, 2 or 3; Y is a sulfonic group SO3H, n is 0, 1, 2 or 3; Z is an acid amide group L-NH2; p is 0, 1, 2 or 3; K is a counterion selected from the list comprising H+, NH4+, Na+, K+, Li+, Mg2+, Ca2+, Zn2+, and Al3+; s is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list comprising CH3, C2H5, NO2, Cl, Br, F, CF3, CN, OH, OCH3, OC2H5, OCOCH3, OCN, SCN, NH2, and NHCOCH3; w is 0, 1, 2, 3 or 4; and R1 is a substituent selected from the list comprising H, CH3, C2H5, C3H7, i-C3H7, CH2CH2CH2CH3, CH(CH3)CH2CH3, CH2CH(CH3)CH3 and C(CH3)3 and L is a linking group.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: October 21, 2014
    Assignee: Crysoptix K.K.
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
  • Patent number: 7888505
    Abstract: 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—CH3, —C2H5, —C3H7, -iso-C3H7, —CH2CH2CH2CH3, —CH(CH3)CH2CH3, —CH2CH(CH3)CH3 and —C(CH3)3; n is 1, 2, 3 or 4; Y is a substituent selected from the list comprising —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH, —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3; and z is 0, 1, 2, 3 or 4.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: February 15, 2011
    Assignee: Crysoptix, KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko, Valery S. Kuzmin
  • Publication number: 20100047477
    Abstract: 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—CH3, —C2H5, —C3H7, -iso-C3H7, —CH2CH2CH2CH3, —CH(CH3)CH2CH3, —CH2CH(CH3)CH3 and —C(CH3)3; n is 1, 2, 3 or 4; Y is a substituent selected from the list comprising —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH, —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3; and z is 0, 1, 2, 3 or 4.
    Type: Application
    Filed: January 15, 2007
    Publication date: February 25, 2010
    Applicant: CRYSOPTIX KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko, Valery S. Kuzmin
  • Publication number: 20100039705
    Abstract: The present invention is related to 6,7-dihydrobenzimidazo[1,2-c]quinazolin-6-one derivatives of the general structural formula (I), the anisotropic optical film based on these derivatives with phase-retarding properties for displays, and method of producing thereof (I) where X is a carboxylic group COOH, m is 0, 1, 2 or 3; Y is a sulfonic group SO3H, n is 0, 1, 2 or 3; Z is an add amide group L-NH2; p is 0, 1, 2 or 3; K is a counterion selected from the list comprising H, NH4+, Na+, K+, Li+, Mg2+, Ca2+, Zn2+, and Al3+; s is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list comprising CH3, C2H5, NO2, Cl, Br, F, CF3, CN, OH, OCH3, OC2H5, OCOCH3, OCN, SCN, NH2, and NHCOCH3; w is 0, 1, 2, 3 or 4; and R1 is a substituent selected from the list comprising H, CH3, C2H5, C3H7, i-C3H7, CH2CH2CH2CH3, CH(CH3)CH2CH3, CH2CH(CH3)CH3 and C(CH3)3 and L is a linking group.
    Type: Application
    Filed: January 15, 2007
    Publication date: February 18, 2010
    Applicant: CRYSOPTIX KK
    Inventors: Tatyana Doutova, Pavel I. Lazarev, Elena N. Sidorenko
  • Publication number: 20090191394
    Abstract: The present invention is related to the synthesis of acenaphthoquinoxaline sulfonamide derivatives and the manufacture of optical crystal films based on these compounds. Said acenaphthoquinoxaline sulfonamide heterocyclic derivatives have the general structural formula: where n is 1, 2 or 3; X is an acid group; m is 1, 2 or 3; Y is a counterion selected from the list consisting of H+, NH4+, Na+, K+, and Li+; p is the number of counterions providing neutral state of the molecule; R is a substituent selected from the list consisting of —CH3, —C2H5, —NO2, —Cl, —Br, —F, —CF3, —CN, —OH —OCH3, —OC2H5, —OCOCH3, —OCN, —SCN, —NH2, —NHCOCH3, —CONH2; and z is 1, 2, 3 or 4.
    Type: Application
    Filed: October 9, 2006
    Publication date: July 30, 2009
    Inventors: Pavel I. Lazarev, Elena N. Sidorenko
  • Patent number: 7262305
    Abstract: 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 art. The lyotropic liquid crystal systems may be deposited on substrates for use in a wide variety of commercial applications.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: August 28, 2007
    Assignee: Nitto Denko Corporation
    Inventors: Tatyana Ya. Dutova, Elena N. Sidorenko
  • Patent number: 7160485
    Abstract: 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 anisotropic, at least partially crystalline films applicable in various fields.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: January 9, 2007
    Assignee: Nitto Denko Corporation
    Inventors: Victor V. Nazarov, Elena N. Sidorenko
  • Patent number: 7045177
    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.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: May 16, 2006
    Assignee: Nitto Denko Corporation
    Inventors: Tatyana Y. Dutova, Alexey Y. Nokel, Elena N. Sidorenko, Sergey V. Timofeev
  • Patent number: 7025900
    Abstract: 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 sulfoderivatives form liquid crystal systems possessing high optical properties. Said liquid crystal systems can be applied onto various substrates to obtain optically isotropic or anisotropic, at least partially crystalline, films applicable in various fields.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: April 11, 2006
    Assignee: Nitto Denko Corporation
    Inventors: Elena N. Sidorenko, Victor V. Nazarov
  • Patent number: 7026019
    Abstract: 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 art. The lyotropic liquid crystal systems may be deposited on substrates for use in a wide variety of commercial applications.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: April 11, 2006
    Assignee: Nitto Denko Corporation
    Inventors: Tatyana Ya. Dutova, Elena N. Sidorenko
  • Patent number: 6962734
    Abstract: 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 LLC phase are disclosed. The disclosed compounds could be used, in particular, for producing optically isotropic or anisotropic and at least partially crystalline films. The application also includes the liquid crystal systems based on the disclosed compounds, and anisotropic films. wherein n is 3 or 4, R?CH3, C2H5, OCH3, OC2H5, Cl, Br, OH, NH2, z is the value selected from the list including 0, 1, 2, 3, and 4, M—counterion, and j—number of counterions in a dye molecule, and which can be fractional in case of one counterion belonging to several molecules, and in case n>1, counterions may be different.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: November 8, 2005
    Assignee: Nitto Denko Corporation
    Inventors: Victor V. Nazarov, Elena N. Sidorenko
  • Publication number: 20040215015
    Abstract: 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 anisotropic, at least partially crystalline films applicable in various fields.
    Type: Application
    Filed: November 14, 2003
    Publication date: October 28, 2004
    Inventors: Victor V. Nazarov, Elena N. Sidorenko
  • Publication number: 20040058091
    Abstract: 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 art. The lyotropic liquid crystal systems may be deposited on substrates for use in a wide variety of commercial applications.
    Type: Application
    Filed: June 20, 2003
    Publication date: March 25, 2004
    Inventors: Tatyana Ya. Dutova, Elena N. Sidorenko
  • Publication number: 20030232153
    Abstract: 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.
    Type: Application
    Filed: June 4, 2003
    Publication date: December 18, 2003
    Inventors: Victor V. Nazarov, Elena N. Sidorenko
  • Patent number: 6583284
    Abstract: 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 art. The liquid crystal systems may be deposited on substrates or other film materials for use in a wide variety of commercial applications.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: June 24, 2003
    Assignee: Optiva, Inc.
    Inventors: Elena N. Sidorenko, Tatiana Ya. Dutova