Patents by Inventor Serguei Sviridov
Serguei Sviridov 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).
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Patent number: 11124524Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: GrantFiled: April 3, 2019Date of Patent: September 21, 2021Assignee: Solutia Canada Inc.Inventors: Neil Robin Branda, Jeremy Graham Finden, Simon James Gauthier, Ali Hayek, Kyle Andrew Hope-Ross, James Daniel Senior, Andreea Spantulescu, Serguei Sviridov
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Patent number: 10556912Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: GrantFiled: July 25, 2018Date of Patent: February 11, 2020Assignee: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Jeremy Graham Finden, Simon James Gauthier, Ali Hayek, Kyle Andrew Hope-Ross, James Daniel Senior, Andreea Spantulescu, Serguei Sviridov
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Publication number: 20190256526Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: ApplicationFiled: April 3, 2019Publication date: August 22, 2019Applicant: SWITCH MATERIALS, INC.Inventors: Neil Robin BRANDA, Jeremy Graham FINDEN, Simon James GAUTHIER, Ali HAYEK, Kyle Andrew HOPE-ROSS, James Daniel SENIOR, Andreea SPANTULESCU, Serguei SVIRIDOV
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Publication number: 20180339995Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: ApplicationFiled: July 25, 2018Publication date: November 29, 2018Applicant: SWITCH MATERIALS, INC.Inventors: Neil Robin BRANDA, Jeremy Graham FINDEN, Simon James GAUTHIER, Ali HAYEK, Kyle Andrew HOPE-ROSS, James Daniel SENIOR, Andreea SPANTULESCU, Serguei SVIRIDOV
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Patent number: 10072023Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: GrantFiled: November 20, 2015Date of Patent: September 11, 2018Assignee: Switch Materials, Inc.Inventors: Neil Robin Branda, Jeremy Graham Finden, Simon James Gauthier, Ali Hayek, Kyle Andrew Hope-Ross, James Daniel Senior, Andreea Spantulescu, Serguei Sviridov
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Publication number: 20170114075Abstract: This invention is directed to spiro-oxindole compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.Type: ApplicationFiled: August 31, 2016Publication date: April 27, 2017Inventors: Mikhail Chafeev, Sultan Chowdhury, Lauren Fraser, Jianmin Fu, Jonathan Langille, Shifeng Liu, Jianyu Sun, Shaoyi Sun, Serguei Sviridov, Mark Wood, Alla Yurevna Zenova, Qi Jia, Jean-Jacques Alexandre Cadieux, Simon J. Gauthier, Amy Frances Douglas, Tom Hsieh, Nagasree Chakka, Zoran Cikojevic
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Patent number: 9458178Abstract: This invention is directed to spiro-oxindole compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.Type: GrantFiled: November 14, 2014Date of Patent: October 4, 2016Assignee: Xenon Pharmaceuticals Inc.Inventors: Mikhail Chafeev, Sultan Chowdhury, Lauren Fraser, Jianmin Fu, Jonathan Langille, Shifeng Liu, Jianyu Sun, Shaoyi Sun, Serguei Sviridov, Mark Wood, Alla Yurevna Zenova, Qi Jia, Jean-Jacques Alexandre Cadieux, Simon J. Gauthier, Amy Frances Douglas, Tom Hsieh, Nagasree Chakka, Zoran Cikojevic
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Publication number: 20160083398Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: ApplicationFiled: November 20, 2015Publication date: March 24, 2016Inventors: Neil Robin BRANDA, Jeremy Graham FINDEN, Simon James GAUTHIER, Ali HAYEK, Kyle Andrew HOPE-ROSS, James Daniel SENIOR, Andreea SPANTULESCU, Serguei SVIRIDOV
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Patent number: 9227986Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: GrantFiled: September 28, 2012Date of Patent: January 5, 2016Assignee: Switch Materials, Inc.Inventors: Neil Robin Branda, Jeremy Graham Finden, Simon James Gauthier, Ali Hayek, Kyle Andrew Hope-Ross, James Daniel Senior, Andreea Spantulescu, Serguei Sviridov
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Publication number: 20150291623Abstract: This invention is directed to spiro-oxindole compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.Type: ApplicationFiled: November 14, 2014Publication date: October 15, 2015Inventors: Mikhail Chafeev, Sultan Chowdhury, Lauren Fraser, Jianmin Fu, Jonathan Langille, Shifeng Liu, Jianyu Sun, Shaoyi Sun, Serguei Sviridov, Mark Wood, Alla Yurevna Zenova, Qi Jia, Jean-Jacques Alexandre Cadieux, Simon J. Gauthier, Amy Frances Douglas, Tom Hsieh, Nagasree Chakka, Zoran Cikojevic
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Patent number: 8916580Abstract: This invention is directed to spiro-oxindole compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.Type: GrantFiled: March 6, 2013Date of Patent: December 23, 2014Assignee: Xenon Pharmaceuticals Inc.Inventors: Mikhail Chafeev, Sultan Chowdhury, Lauren Fraser, Jianmin Fu, Jonathan Langille, Shifeng Liu, Jianyu Sun, Shaoyi Sun, Serguei Sviridov, Mark Wood, Alla Yurevna Zenova, Qi Jia, Jean-Jacques Alexandre Cadieux, Simon J. Gauthier, Amy Frances Douglas, Tom Hsieh, Nagasree Chakka, Zoran Cikojevic
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Publication number: 20140256936Abstract: A compound according to Formula IA and IB, reversibly convertible under photochromic and electrochromic conditions between a ring-open isomer A and a ring-closed isomer B is provided. For substitutent groups, Z is N, O or S; each R1 is independently selected from the group consisting of H, or halo; each R2 is independently selected from the group consisting of H, halo, a polymer backbone, alkyl or aryl; or, when both R2 together form —CH?CH— and form part of a polymer backbone; each R3 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl; each R4 is aryl; and each R5 is independently selected from the group consisting of H, halo, alkyl, alkoxy, thioalkyl or aryl.Type: ApplicationFiled: September 28, 2012Publication date: September 11, 2014Applicant: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Jeremy Graham Finden, Simon James Gauthier, Ali Hayek, Kyle Andrew Hope-Ross, James Daniel Senior, Andreea Spantulescu, Serguei Sviridov
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Patent number: 8687258Abstract: Variable transmittance optical filters capable of transitioning from a light state to a dark state on exposure to UV radiation and from a dark state to a light state with application of an electric voltage are provided. The optical filters comprise a switching material that comprises one or more chromophores that have electrochromic and photochromic properties.Type: GrantFiled: March 15, 2013Date of Patent: April 1, 2014Assignee: Switch Materials, Inc.Inventors: Duhane Lam, Neil R. Branda, Andreea Spantulescu, Jeremy Graham Finden, Ali Hayek, Kyle Andrew Hope-Ross, Serguei Sviridov
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Publication number: 20130250392Abstract: Variable transmittance optical filters capable of transitioning from a light state to a dark state on exposure to UV radiation and from a dark state to a light state with application of an electric voltage are provided. The optical filters comprise a switching material that comprises one or more chromophores that have electrochromic and photochromic properties.Type: ApplicationFiled: March 15, 2013Publication date: September 26, 2013Applicant: SWITCH MATERIALS, INC.Inventors: Duhane Lam, Neil R. Branda, Andreea Spantulescu, Jeremy Graham Finden, Ali Hayek, Kyle Andrew Hope-Ross, Serguei Sviridov
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Publication number: 20130252962Abstract: This invention is directed to spiro-oxindole compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.Type: ApplicationFiled: March 6, 2013Publication date: September 26, 2013Inventors: Mikhail CHAFEEV, Sultan CHOWDHURY, Lauren FRASER, Jianmin FU, Jonathan LANGILLE, Shifeng LIU, Jianyu SUN, Shaoyi SUN, Serguei SVIRIDOV, Mark WOOD, Alla Yurevna ZENOVA, Qi JIA, Jean-Jacques Alexandre CADIEUX, Simon J. GAUTHIER, Amy Frances DOUGLAS, Tom HSIEH, Nagasree CHAKKA, Zoran CIKOJEVIC
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Patent number: 8541457Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I), where V, W, R1, R2, R3 and R4 are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.Type: GrantFiled: June 5, 2006Date of Patent: September 24, 2013Assignee: Xenon Pharmaceuticals Inc.Inventors: Jianmin Fu, Duanjie Hou, Rajender Kamboj, Vishnumurthy Kodumuru, Natalia Pokrovskaia, Vandna Raina, Shaoyi Sun, Serguei Sviridov, Zaihui Zhang
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Patent number: 8466188Abstract: This invention is directed to methods of using spiro-oxindole compounds of formula (I): wherein k, j, Q, R1, R2a, R2b, R2c, R2d, R3a, R3b, R3c, and R3d are as defined herein, as a stereoisomer, enantiomer, tautomer thereof or mixtures thereof; or a pharmaceutically acceptable salt, solvate or prodrug thereof, for the treatment and/or prevention of hypercholesterolemia, benign prostatic hyperplasia, pruritis and cancer.Type: GrantFiled: October 12, 2007Date of Patent: June 18, 2013Assignee: Xenon Pharmaceuticals Inc.Inventors: Mikhail Chafeev, Sultan Chowdhury, Robert Fraser, Jianmin Fu, Rajender Kamboj, Duanjie Hou, Shifeng Liu, Mehran Seid Bagherzadeh, Serguei Sviridov, Shaoyi Sun, Jianyu Sun, Nagasree Chakka, Tom Hsieh, Vandna Raina
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Publication number: 20130096056Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): where V, W, R1, R2, R3 and R4 are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.Type: ApplicationFiled: September 14, 2012Publication date: April 18, 2013Applicant: XENON PHARMACEUTICALS INC.Inventors: Jianmin Fu, Duanjie Hou, Rajender Kamboj, Vishnumurthy Kodumuru, Natalia Pokrovskaia, Vandna Raina, Shaoyi Sun, Serguei Sviridov, Zaihui Zhang
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Patent number: 8415370Abstract: This invention is directed to spiro-oxindole compounds, as stereoisomers, enantiomers, tautomers thereof or mixtures thereof; or pharmaceutically acceptable salts, solvates or prodrugs thereof, for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.Type: GrantFiled: July 25, 2012Date of Patent: April 9, 2013Assignee: Xenon Pharmaceuticals Inc.Inventors: Mikhail Chafeev, Sultan Chowdhury, Lauren Fraser, Jianmin Fu, Jonathan Langille, Shifeng Liu, Jianyu Sun, Shaoyi Sun, Serguei Sviridov, Mark Wood, Alla Yurevna Zenova, Qi Jia, Jean-Jacques Cadieux, Simon J. Gauthier, Amy Frances Douglas, Tom Hsieh, Nagasree Chakka, Zoran Cikojevic
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Publication number: 20130079354Abstract: Methods of treating an SCD-mediated disease or condition in a mammal, preferably a human, are disclosed, wherein the methods comprise administering to a mammal in need thereof a compound of formula (I): wherein W, V, x, y, R1, R2, R3, R4, R5, R6, R7, R7a, R8, R8a, R9, R9a, R10 and R10a are defined herein. Pharmaceutical compositions comprising the compounds of formula (I) are also disclosed.Type: ApplicationFiled: September 14, 2012Publication date: March 28, 2013Applicant: Xenon Pharmaceuticals Inc.Inventors: Melwyn ABREO, Daniel F. HARVEY, Mikhail A. KONDRATENKO, Wenbao LI, Rajender KAMBOJ, Vishnumurthy KODUMURU, Michael D. WINTHER, Heinz W. GSCHWEND, Nagasree CHAKKA, Shifeng LIU, Serguei SVIRIDOV, Shaoyi SUN