Patents by Inventor Sarvajit Chakravarty

Sarvajit Chakravarty 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: 20130217675
    Abstract: This disclosure is directed to pyrido[4,3-b]indole and pyrido[3,4-b]indole derivatives. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 22, 2013
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Publication number: 20130210803
    Abstract: This disclosure is directed to fused tetracyclic pyrido[4,3-b]indoles and pyrido[3,4-b]indoles. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 15, 2013
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Publication number: 20130190293
    Abstract: This disclosure is directed to tetracyclic pyrido[4,3-b]indole and pyrido[3,4-b]indoles. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: February 18, 2011
    Publication date: July 25, 2013
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Publication number: 20130172320
    Abstract: This disclosure is directed to pyrido[4,3-b]indole and pyrido[3,4-b]indole derivatives. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: February 18, 2011
    Publication date: July 4, 2013
    Inventors: Sarvajit Chakravarty, Barry Patrick Hart, Rajendra Parasmal Jain
  • Publication number: 20130172366
    Abstract: This disclosure relates to new compounds that may be used to modulate a histamine receptor in an individual. Novel compounds are described, including new bridged heterocyclic [4,3-b]indole compounds. Pharmaceutical compositions are also provided. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: July 2, 2012
    Publication date: July 4, 2013
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20130137705
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[3,4-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: September 23, 2010
    Publication date: May 30, 2013
    Inventor: Sarvajit Chakravarty
  • Publication number: 20130079372
    Abstract: Substituted phenylcarbamoyl alkylamino arenes; substituted phenylthiocarbamyl alkylamino arenes; substituted phenylcarbamoyl alkylamino heteroarenes; substituted phenylthiocarbamyl alkylamino heteroarenes; N-substituted aryl, N?-substituted aryl urea compounds; N-substituted aryl, N?-substituted heteroaryl urea compounds; N-substituted aryl, N?-substituted aryl thiourea compounds and N-substituted aryl, N?-substituted heteroaryl thiourea compounds are provided and may find use as androgen receptor modulators. The compounds may find particular use in treating prostate cancer, including castration-resistant prostate cancer and/or hormone-sensitive prostate cancer.
    Type: Application
    Filed: November 26, 2012
    Publication date: March 28, 2013
    Applicant: MEDIVATION TECHNOLOGIES, INC.
    Inventors: Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Publication number: 20130053367
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are antagonists of the adrenergic receptor ?2A. The compounds may also bind to and are an antagonist of the adrenergic receptor ?2B; or the compounds are not antagonists of the adrenergic receptor ?2B and the compounds are administered in conjunction with a second agent that reduces, or is expected to reduce, blood pressure in an individual. The compounds may find use in therapy, e.g., to regulate blood glucose level, increase insulin secretion and treat diseases or conditions that are, or are expected to be, responsive to an increase in insulin production. Use of the compounds to treat type 2 diabetes is particularly described.
    Type: Application
    Filed: February 17, 2012
    Publication date: February 28, 2013
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain, Michael John Green
  • Publication number: 20130053366
    Abstract: Hydrogenated pyrido[4,3-b]indoles, pyrido[3,4-b]indoles and azepino[4,5-b]indoles are described. The compounds may bind to and are adrenergic receptor ?2B antagonists. The compounds may also bind to and antagonize adrenergic receptor ?1B. The compounds may find use in therapy, e.g., to (i) reduce blood pressure and/or (ii) promote renal blood flow and/or (iii) decrease or inhibit sodium reabsorption. The compounds may also be used to treat diseases or conditions that are, or are expected to be, responsive to a decrease in blood pressure. Use of the compounds to treat cardiovascular and renal disorders is particularly described.
    Type: Application
    Filed: February 17, 2012
    Publication date: February 28, 2013
    Inventors: Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain, Michael John Green
  • Patent number: 8338408
    Abstract: This disclosure relates to new tetracyclic compounds that may be used to modulate a histamine receptor in an individual. The compounds in one embodiment are tetracyclic [4,3-b]indoles. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: December 25, 2012
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew A. Protter, Rajendra P. Jain, Sundeep Dugar, Sarvajit Chakravarty, Sergey O. Bachurin, Anatoly K. Ustinov, Bogdan K. Beznosko, Nadezhda Sergeevna Beznosko, legal representative, Elena F. Shevtsova, Vladimir V. Grigoriev
  • Patent number: 8338447
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Compounds of formula (I) are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: December 25, 2012
    Assignee: Medivation Technologies, Inc.
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra P. Jain, Sundeep Dugar
  • Publication number: 20120184580
    Abstract: Substituted di-arylhydantoin and di-arylthiohydantoins are provided and may find use as androgen receptor modulators. The compounds may find particular use in treating prostate cancer, including CRPC and/or hormone-sensitive prostate cancer.
    Type: Application
    Filed: April 9, 2010
    Publication date: July 19, 2012
    Applicant: MEDIVATION PROSTATE THERAPEUTICS, INC.
    Inventors: Sarvajit Chakravarty, Rajendra Parasmal Jain
  • Publication number: 20120172377
    Abstract: New heterocyclic compounds that may be used to modulate a histamine receptor in an individual are described. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: April 29, 2010
    Publication date: July 5, 2012
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20120136008
    Abstract: New heterocyclic compounds that may be used to modulate a histamine receptor in an individual are described. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: April 29, 2010
    Publication date: May 31, 2012
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20110245272
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[4,3-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: September 23, 2010
    Publication date: October 6, 2011
    Inventors: Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Patent number: 8030318
    Abstract: Substituted fused bicyclic pyrimidine compounds having an amide-substituted pyridylamine group at C-4 of the pyrimidine ring are useful in the treatment of conditions associated with HCV.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: October 4, 2011
    Assignee: Tibotec Pharmaceuticals Ltd.
    Inventors: Kenneth Alan Simmen, Dominique Louis Nestor Ghislain Surleraux, Tse-I Lin, Oliver Lenz, Pierre Jean-Marie Bernard Raboisson, Sarvajit Chakravarty, Barry Patrick Hart
  • Publication number: 20110237582
    Abstract: This disclosure relates to new heterocyclic compounds that may be used to modulate a histamine receptor in an individual. Pyrido[3,4-b]indoles are described, as are pharmaceutical compositions comprising the compounds and methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: September 23, 2010
    Publication date: September 29, 2011
    Inventors: Rajendra Parasmal JAIN, Sarvajit Chakravarty
  • Publication number: 20100216814
    Abstract: This disclosure is directed to pyrido[4,3-b]indoles having rigid moieties. The compounds in one embodiment are pyrido[4,3-b]indoles having an unsaturated hydrocarbon moiety. The compounds in another embodiment are pyrido[4,3-b]indoles having a cycloalkyl, cycloalkenyl or heterocyclyl moiety. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 26, 2010
    Inventors: David T. HUNG, Andrew Asher Protter, Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20100152163
    Abstract: This disclosure relates to new azepino[4,5-b]indole compounds that may be used to modulate a histamine receptor in an individual. Novel compounds are described, including new 1,2,3,4,5,6-tetrahydroazepino[4,5-b]indoles. Pharmaceutical compositions are also provided.
    Type: Application
    Filed: October 30, 2009
    Publication date: June 17, 2010
    Inventors: David T. Hung, Andrew Asher Protter, Rajendra Parasmal Jain, Sarvajit Chakravarty
  • Publication number: 20100022580
    Abstract: This disclosure relates to new tricyclic compounds that may be used to modulate a histamine receptor in an individual. Compounds are described, including new 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole compounds. Pharmaceutical compositions comprising the compounds are also provided, as are methods of using the compounds in a variety of therapeutic applications, including the treatment of a cognitive disorder, psychotic disorder, neurotransmitter-mediated disorder and/or a neuronal disorder.
    Type: Application
    Filed: January 26, 2009
    Publication date: January 28, 2010
    Inventors: David T. Hung, Andrew Asher Protter, Sarvajit Chakravarty, Rajendra Parasmal Jain