Patents by Inventor Yarlagadda S. Babu

Yarlagadda S. Babu 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: 20120149662
    Abstract: The invention provides compounds of formula (I): or a salt thereof as described herein. The invention also provides pharmaceutical compositions comprising a compound of formula (I), processes for preparing compounds of formula (I), intermediates useful for preparing compounds of formula (I) and therapeutic methods for suppressing an immune response or treating cancer or a hematologic malignancy using compounds of formula (I).
    Type: Application
    Filed: August 27, 2010
    Publication date: June 14, 2012
    Applicant: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pravin L. Kotian, V. Satish Kumar, Minwan Wu, Tsu-Hsing Lin
  • Publication number: 20120142617
    Abstract: The invention provides compounds of Formula I: as described herein, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of Formula (I) are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Application
    Filed: July 12, 2011
    Publication date: June 7, 2012
    Applicant: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Pravin Kotian, Minwan Wu, V. Satish Kumar
  • Patent number: 8163703
    Abstract: The invention provides methods for treating hepatitis C viral infections and related viral infections, as well as compounds and compositions that are useful for treating such infections.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: April 24, 2012
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Minwan Wu, Pravin L. Kotian, V. Satish Kumar, Tsu-Hsing Lin, Yahya El-Kattan, Ajit K. Ghosh
  • Patent number: 8133870
    Abstract: The invention provides compounds of formula I, II, and III as described herein, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of formula I, II, and III are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: March 13, 2012
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Minwan Wu, Pravin L. Kotian, V. Satish Kumar, Tsu-Hsing Lin, Yahya El-Kattan, Ajit K. Ghosh
  • Patent number: 7994139
    Abstract: The invention provides compounds of Formula I: as described herein, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of Formula (I) are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: August 9, 2011
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Pravin Kotian, Minwan Wu, V. Satish Kumar
  • Publication number: 20110165183
    Abstract: The invention provides a compound of formula (I): wherein W is a bicyclic heteroaromatic group; or a salt thereof. The compounds and salts thereof have beneficial therapeutic properties (e.g. immunosuppressant properties).
    Type: Application
    Filed: July 31, 2009
    Publication date: July 7, 2011
    Applicant: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Pravin L. Kotian, V. Satish Kumar
  • Publication number: 20110038858
    Abstract: The present application relates to treatment of hematologic cancers, which treatments can include, e.g., administration of a purine nucleoside phosphorylase (PNP) inhibitor, an alkylating agent and/or an anti-CD20 agent, and related compositions and kits.
    Type: Application
    Filed: December 10, 2008
    Publication date: February 17, 2011
    Applicant: Biocryst Pharmaceuticals, Inc.
    Inventors: Shanta Bantia, Philip Breitfeld, Yarlagadda S. Babu
  • Publication number: 20110015264
    Abstract: The invention provides unit dosage forms, kits, and methods useful for treating viral infections.
    Type: Application
    Filed: March 29, 2010
    Publication date: January 20, 2011
    Applicant: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Shanta Bantia, Shane Arnold, John Michael Kilpatrick
  • Publication number: 20110002886
    Abstract: The invention provides compounds of formula (I), as described herein, or pharmaceutically acceptable salts thereof, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of formula (I) are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Application
    Filed: May 8, 2008
    Publication date: January 6, 2011
    Applicant: BIOCRYST PHARMACEUTICALS, INC.
    Inventors: Yarlagadda S. Babu, Pooran Chand
  • Publication number: 20100143300
    Abstract: The invention provides methods for treating hepatitis C viral infections and related viral infections, as well as compounds and compositions that are useful for treating such infections.
    Type: Application
    Filed: March 6, 2009
    Publication date: June 10, 2010
    Inventors: Yarlagadda S. Babu, Pooran Chand, Minwan Wu, Pravin L. Kotian, V. Satish Kumar, Tsu-Hsing Lin, Yahya El-Kattan, Ajit K. Ghosh
  • Publication number: 20100015094
    Abstract: The invention provides compounds of Formula (I), as described herein, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of Formula (I) are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Application
    Filed: January 11, 2008
    Publication date: January 21, 2010
    Inventors: Yarlagadda S. Babu, Pooran Chand, V. Satish Kumar, Pravin L. Kotian, Minwan Wu
  • Publication number: 20090227524
    Abstract: The invention provides compounds of Formula I: as described herein, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of Formula (I) are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Application
    Filed: March 5, 2009
    Publication date: September 10, 2009
    Applicant: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Pravin Kotian, Minwan Wu, V. Satish Kumar
  • Patent number: 7560434
    Abstract: Compounds represented by the formula: and pharmaceutically acceptable salts thereof and prodrugs thereof; wherein R1 is H, CH3, C2H5, C3H7 R2 is H, CH3, C2H5, C3H7, CH?CH2, CH2—OH, CH2F, CF3 R?2 is H, OH, NH2, NH-alkyl, F, N3, OCH3, O—C(O)CH(NH2)alkyl R3 is H, CH3, C2H5, C3H7 R?3 is H, OH, NH2, NH-alkyl, F, N3, OCH3, O—C(O)CH(NH2)alkyl R4 is H, CH3, C2H5, C3H7 At least one of R2, R3, or R4has to be other than H, when X?NH in B R6 is H, CH3, C2H5, R7 is selected from H, alkyl, alkenyl, aryl, acyloxyalkyl, and pivaloyloxyalkyl, aminoacids, CH2CH2SC(O)alkyl; and B is represented by the following structure: X is independently NR6, O, S, R8 and R9 independently is H, NH2, OH, SH, F, Cl, Br, I, aryl, heterocycle, alkyl, alkene, alkyne, S-alkyl, S-aryl, S(O)-alkyl, SO2-alkyl, SO2NH2, SO2NH-alkyl, SO2NH-aryl, NH-alkyl, NH-aryl, N(alkyl)2, N(aryl)2, O-alkyl, O-aryl, O-heterocycle, NH-(CH2)n-aryl, NH—C(O)-alkyl, NH—C(O)-aryl are useful for inhibiting viral RNA polymerases and treating patients
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: July 14, 2009
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Ajit K. Ghosh, Pravin L. Kotian, V. Satish Kumar
  • Patent number: 7514410
    Abstract: The invention provides methods for treating hepatitis C viral infections and related viral infections, as well as compounds and compositions that are useful for treating such infections.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: April 7, 2009
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Minwan Wu, Pravin L. Kotian, V. Satish Kumar, Tsu-Hsing Lin, Yahya El-Kattan, Ajit K. Ghosh
  • Publication number: 20090012104
    Abstract: Described are compounds of the general formula (I), VI and (VII). Also described are pharmaceutical compositions comprising the compounds identified. The compounds and pharmaceutical compositions described are inhibitors of 5?-methylthioadenosine/S-adenosylhomocystein nucleosidase (MTAN) and/or 5?-methylthioadenosine phosphorylase (MTAP). Methods of treatment using the compounds and pharmaceutical compositions described are also provided for preventing and/or treating disease states and/or conditions by inhibiting MTAN and/or MTAP in patients.
    Type: Application
    Filed: July 26, 2005
    Publication date: January 8, 2009
    Inventors: Yarlagadda S. Babu, Vivekanand P. Kamath, Philip E. Morris, JR.
  • Publication number: 20080300200
    Abstract: The invention provides compounds of formula I, II, and III as described herein, as well as pharmaceutical compositions comprising the compounds, and synthetic methods and intermediates that are useful for preparing the compounds. The compounds of formula I, II, and III are useful as anti-viral agents and/or as anti-cancer agents.
    Type: Application
    Filed: October 28, 2005
    Publication date: December 4, 2008
    Applicant: BIOCRYST PHARMACEUTICALS, INC.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Minwan Wu, Pravin L. Kotian, V. Satish Kumar, Tsu-hsing Lin, Yahya El-Kattan, Ajit K. Ghosh
  • Patent number: 7388002
    Abstract: Compounds represented by the formula: A is (CH2)nR2, —CH?CH2, CH2—CH?CH2, O(CH2)nR2, CH(OH)CH3, CH(OH)CH2OH, CH2—CH(OH)CH3, CH2CH(OH)CH2OH, or CH(OH)CH(OH)CH3, R,R1 individually is H, NH2OH, Cl, Br, I, aryl, substituted aryl, heterocycle, NR3R4, OR3 or SR3, R2 is H, OH, F, N3, NH2, CO2H, SH, alkyl, substituted alkyl, S-alkyl, O-acyl, CONH2, or CONH-alkyl, n is 1-3, y is O, S or NH, W is O or S, Z, Z? individually is OR3, OR4, O(CH2)m—O—(CH2)xCH3, NH—CH(alkyl)CO2R3, alkyl, substituted alkyl, OCH2CH2S—C(O)CH3, OCH2CH2S—C(O)CH(CH3)2, OCH2CH2S—C(O)C(CH3)3, OCH2CH2—SC(O)aryl, OCH2CH2—S—S—OCH2CH2OH, OCH2OC(O)C(CH3)3, OCH2—O—C(O)OCH(CH3)2, or OCH2—O—C(O)CH(CH3)2 R3, R4 individually is H, alkyl, substituted alkyl, aryl, or substituted aryl; Both R3 and R4 can form a monocyclic ring of 4-7 atoms with N or optionally a further heteroatom in the ring; m is 1-3, x is 0-19; and pharmaceutically acceptable salts thereof and prodrugs thereof are provided.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: June 17, 2008
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, Pooran Chand, Yahya El-Kattan, Minwan Wu
  • Publication number: 20070244193
    Abstract: The invention provides unit dosage forms, kits, and methods useful for treating viral infections.
    Type: Application
    Filed: June 28, 2006
    Publication date: October 18, 2007
    Inventors: Yarlagadda S. Babu, Pooran Chand, Shanta Bantia, Shane Arnold
  • Patent number: 7045535
    Abstract: Certain cyclic compounds are presented as well as their use for inhibiting paramyxovirus neuraminidase.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: May 16, 2006
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pooran Chand, Yarlagadda S. Babu, R. Scott Rowland, Tsu-Hsing Lin
  • Patent number: 6936719
    Abstract: Compounds of formula (I) are useful as inhibitors of trypsin like serine protease enzymes such as thrombin, factor VIIa, factor Xa, TF/FVIIa, and trypsin. These compounds could be useful to treat and/or prevent clotting disorders, and as anticoagulating agents.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: August 30, 2005
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Yarlagadda S. Babu, R. Scott Rowland, Pooran Chand, Pravin L. Kotian, Yahya El-Kattan, Shri Niwas