Patents by Inventor Jayaprakash K. Narayanannair

Jayaprakash K. Narayanannair 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).

  • Publication number: 20160375137
    Abstract: The present invention provides targeting lipids of structure L100-linker-L101??(CI), where L100 is a lipid, lipophile, alkyl, alkenyl or alkynyl, L101 is a ligand or —CH2CH2(OCH2CH2)pO(CH2)qCH2-ligand, p is 1-1000, and q is 1-20. In addition, the invention provides compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo.
    Type: Application
    Filed: October 22, 2013
    Publication date: December 29, 2016
    Applicant: Tekmira Pharmaceuticals Corporation
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Publication number: 20160213785
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells.
    Type: Application
    Filed: November 30, 2015
    Publication date: July 28, 2016
    Applicant: TEKMIRA PHARMACEUTICALS CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, David Butler, Jayaprakash K. Narayanannair, Muthusamy Jayaraman, Laxman Eltepu
  • Patent number: 9394234
    Abstract: The invention features a cationic lipid of formula I, an improved lipid formulation comprising a cationic lipid of formula I and corresponding methods of use. Also disclosed are targeting lipids, and specific lipid formulations comprising such targeting lipids.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 19, 2016
    Assignee: Arbutus Biopharma Corporation
    Inventors: Jianxin Chen, Steven Ansell, Akin Akinc, Joseph Robert Dorkin, Xiaojun Qin, William Cantley, Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Patent number: 9220683
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structures: (Formula (I) or (XXXV)).
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: December 29, 2015
    Assignee: Tekmira Pharmaceuticals Corporation
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, David Butler, Jayaprakash K. Narayanannair, Muthusamy Jayaraman, Laxmab Eltepu
  • Publication number: 20150265708
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells.
    Type: Application
    Filed: February 24, 2015
    Publication date: September 24, 2015
    Applicant: TEKMIRA PHARMACEUTICALS CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Narayanannair, Martin Maier, Laxman Eltepu
  • Publication number: 20150166465
    Abstract: The invention features a cationic lipid of formula I, an improved lipid formulation comprising a cationic lipid of formula I and corresponding methods of use. Also disclosed are targeting lipids, and specific lipid formulations comprising such targeting lipids.
    Type: Application
    Filed: June 30, 2014
    Publication date: June 18, 2015
    Inventors: Jianxin Chen, Steven Ansell, Akin Akinc, Joseph Robert Dorkin, Xiaojun Qin, William Cantley, Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Patent number: 8999351
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: April 7, 2015
    Assignee: Tekmira Pharmaceuticals Corporation
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Narayanannair, Martin Maier, Laxman Eltepu
  • Patent number: 8802644
    Abstract: The invention features a cationic lipid of formula I, an improved lipid formulation comprising a cationic lipid of formula I and corresponding methods of use. Also disclosed are targeting lipids, and specific lipid formulations comprising such targeting lipids.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: August 12, 2014
    Assignee: Tekmira Pharmaceuticals Corporation
    Inventors: Jianxin Chen, Steven Ansell, Akin Akinc, Joseph Robert Dorkin, Xiaojun Qin, William Cantley, Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Publication number: 20140179761
    Abstract: The present invention provides targeting lipids of structure L100-linker-L101??(CI), where L100 is a lipid, lipophile, alkyl, alkenyl or alkynyl, L101 is a ligand or —CH2CH2(OCH2CH2)pO(CH2)qCH2-ligand, p is 1-1000, and q is 1-20. In addition, the invention provides compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo.
    Type: Application
    Filed: October 22, 2013
    Publication date: June 26, 2014
    Applicant: Tekmira Pharmaceuticals Corporation
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Patent number: 8722082
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structures XIV or XVII.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: May 13, 2014
    Assignee: Tekmira Pharmaceuticals Corporation
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Narayanannair, Marco A. Ciufolini
  • Patent number: 8507455
    Abstract: The present invention provides iRNA agent including at least one monomer having the structure shown in formula (I?) wherein: A and B are each independently for each occurrence O, N(RN) or S; X is H, a protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, —P(Z?)(Z?)O-nucleoside, —P(Z?)(Z?)O-oligonucleotide, a lipid, a PEG, a steroid, a polymer, —P(Z?)(Z?)O-L6-Q?-L7-OP(Z??)(Z???)O-oligonucleotide, a nucleotide, or an oligonucleotide; Y is H, a protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, —P(Z?)(Z?)O-nucleoside, —P(Z?)(Z?)O-oligonucleotide, a lipid, a PEG, a steroid, a lipophile, a polymer, —P(Z?)(Z?)O-L6-Q?-L7-OP(Z??)(Z???)O-oligonucleotide, a nucleotide, or an oligonucleotide; R is folate, a folate analog a folate mimic or a folate receptor binding ligand; L6 and L7 are each independently for ea
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: August 13, 2013
    Assignee: Alnylam Pharmaceuticals, Inc.
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, Jayaprakash K. Narayanannair
  • Publication number: 20120183602
    Abstract: The invention features a cationic lipid of formula I, an improved lipid formulation comprising a cationic lipid of formula I and corresponding methods of use. Also disclosed are targeting lipids, and specific lipid formulations comprising such targeting lipids.
    Type: Application
    Filed: January 25, 2012
    Publication date: July 19, 2012
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Jianxin CHEN, Steven Ansell, Akin Akinc, Joseph Robert Dorkin, Xiaojun Qin, William Cantley, Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Patent number: 8158601
    Abstract: The invention features a cationic lipid of formula I, an improved lipid formulation comprising a cationic lipid of formula I and corresponding methods of use. Also disclosed are targeting lipids, and specific lipid formulations comprising such targeting lipids.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: April 17, 2012
    Assignee: Alnylam Pharmaceuticals, Inc.
    Inventors: Jianxin Chen, Steven Ansell, Akin Akinc, Joseph Robert Dorkin, Xiaojun Qin, William Cantley, Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Publication number: 20120058144
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structures XIV or XVII.
    Type: Application
    Filed: November 10, 2009
    Publication date: March 8, 2012
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Narayanannair, Marco A. Ciufolini
  • Publication number: 20120027796
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structures: (Formula (I) or (XXXV)).
    Type: Application
    Filed: November 10, 2009
    Publication date: February 2, 2012
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, David Butler, Jayaprakash K. Narayanannair, Muthusamy Jayaraman, Laxmab Eltepu
  • Patent number: 8106022
    Abstract: The present invention provides iRNA agents comprising at least one subunit of the formula (I): wherein: A and B are each independently for each occurrence O, N(RN) or S; X and Y are each independently for each occurrence H, OH, a hydroxyl protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, —P(Z?)(Z?)O-nucleoside, —P(Z?)(Z?)O-oligonucleotide, a lipid, a PEG, a steroid, a lipophile, a polymer, —P(Z?)(Z?)O-Linker-OP(Z??)(Z??)O-oligonucleotide, a nucleotide, an oligonucleotide, —P(Z?)(Z?)-formula (I), —P(Z?)(Z?)— or -Linker-R; R is LG, -Linker-LG, or has the structure shown below: LG is independently for each occurrence a carbohydrate, e.g.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: January 31, 2012
    Assignee: Alnylam Pharmaceuticals, Inc.
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Martin Maier
  • Publication number: 20110311583
    Abstract: (A1) Translate this text The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells.
    Type: Application
    Filed: November 10, 2009
    Publication date: December 22, 2011
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Muthiah Manoharan, kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Narayanannair, Martin Maier, Laxman Eltepu
  • Publication number: 20100324120
    Abstract: The invention features a cationic lipid of formula I, an improved lipid formulation comprising a cationic lipid of formula I and corresponding methods of use. Also disclosed are targeting lipids, and specific lipid formulations comprising such targeting lipids.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 23, 2010
    Inventors: Jianxin Chen, Steven Ansell, Akin Akinc, Joseph Robert Dorkin, Xiaojun Qin, William Cantley, Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Muthusamy Jayaraman
  • Publication number: 20090247614
    Abstract: The present invention provides iRNA agent including at least one monomer having the structure shown in formula (I?) wherein: A and B are each independently for each occurrence O, N(RN) or S; X is H, a protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, —P(Z?)(Z?)O-nucleoside, —P(Z?)(Z?)O-oligonucleotide, a lipid, a PEG, a steroid, a polymer, —P(Z?)(Z?)O-L6-Q?-L7-OP(Z??)(Z??)O-oligonucleotide, a nucleotide, or an oligonucleotide; Y is H, a protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, —P(Z?)(Z?)O-nucleoside, —P(Z?)(Z?)O-oligonucleotide, a lipid, a PEG, a steroid, a lipophile, a polymer, —P(Z?)(Z?)O-L6-Q?-L7-OP(Z??)(Z??)O-oligonucleotide, a nucleotide, or an oligonucleotide; R is folate, a folate analog a folate mimic or a folate receptor binding ligand; L6 and L1 are each independently for eac
    Type: Application
    Filed: December 4, 2008
    Publication date: October 1, 2009
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, Jayaprakash K. Narayanannair
  • Publication number: 20090239814
    Abstract: The present invention provides iRNA agents comprising at least one subunit of the formula (I): wherein: A and B are each independently for each occurrence O, N(RN) or S; X and Y are each independently for each occurrence H, OH, a hydroxyl protecting group, a phosphate group, a phosphodiester group, an activated phosphate group, an activated phosphite group, a phosphoramidite, a solid support, —P(Z?)(Z?)O-nucleoside, —P(Z?)(Z?)O-oligonucleotide, a lipid, a PEG, a steroid, a lipophile, a polymer, —P(Z?)(Z?)O-Linker-OP(Z??)(Z??)O-oligonucleotide, a nucleotide, an oligonucleotide, —P(Z?)(Z?)-formula (I), —P(Z?)(Z?)— or -Linker-R; R is LG, -Linker-LG, or has the structure shown below: LG is independently for each occurrence a carbohydrate, e.g.
    Type: Application
    Filed: December 4, 2008
    Publication date: September 24, 2009
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Jayaprakash K. Narayanannair, Martin Maier