Patents by Inventor Chakrapani Subramanyam

Chakrapani Subramanyam 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: 20150307522
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), schizotypal personality disorder, cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, Parkinson's disease, anxiety, and depression.
    Type: Application
    Filed: April 23, 2015
    Publication date: October 29, 2015
    Applicant: PFIZER INC.
    Inventors: DAVID LAWRENCE FIRMAN GRAY, LEI ZHANG, JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, SCOT RICHARD MENTE, CHAKRAPANI SUBRAMANYAM
  • Publication number: 20150307551
    Abstract: The present invention is directed to cytotoxic pentapeptides, to antibody drug conjugates thereof, and to methods for using the same to treat cancer.
    Type: Application
    Filed: July 8, 2015
    Publication date: October 29, 2015
    Inventors: Matthew David DOROSKI, Andreas MADERNA, Christopher John O'DONNELL, Chakrapani SUBRAMANYAM, Beth VETELINO, Russell George DUSHIN, Pavel STROP, Edmund Idris GRAZIANI
  • Patent number: 9169264
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: October 27, 2015
    Assignee: Pfizer Inc.
    Inventors: Chakrapani Subramanyam, Frank Erich Koehn, Kenneth John Dirico, Alessandra S. Eustaquio, Michael Eric Green, Haiyin He, Min He, Christopher John O'Donnell, Sujiet Puthenveetil, Anokha Ratnayake, Jesse Alexander Teske, Hui Yu Yang
  • Publication number: 20150291625
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof and N-oxides thereof; processes and intermediates for preparation of; and compositions and uses thereof. The present invention further provides D1 agonists with reduced D1R desensitization, D1 agonists with a reduced ?-arrestin recruitment activity relative to Dopamine, D1 agonists interacting significantly with the Ser188 but not significantly with the Ser202 of a D1R when binding to the D1R, D1 agonists interacting less strongly with the Asp103 and interacting less strongly with the Ser198 of a D1R when binding to the D1R, and their uses.
    Type: Application
    Filed: October 29, 2013
    Publication date: October 15, 2015
    Inventors: JOTHAM WADSWORTH COE, JOHN ARTHUR ALLEN, JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, DAVID LAWRENCE FIRMAN GRAY, EDWARD RAYMOND GUILMETTE, ANTHONY RICHARD HARRIS, CHRIS JOHN HELAL, JACLYN LOUISE HENDERSON, SCOT RICHARD MENTE, DEANE MILFORD NASON, STEVEN VICTOR O'NEIL, CHAKRAPANI SUBRAMANYAM, WENJIAN XU
  • Patent number: 9138486
    Abstract: The present invention is directed to cytotoxic pentapeptides, to antibody drug conjugates thereof, and to methods for using the same to treat cancer.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: September 22, 2015
    Assignee: Pfizer Inc.
    Inventors: Matthew David Doroski, Andreas Maderna, Christopher John O'Donnell, Chakrapani Subramanyam, Beth Vetelino, Russell George Dushin, Pavel Strop, Edmund Idris Graziani
  • Patent number: 9133190
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof and N-oxides of the foregoing; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds, salts or N-oxides, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, impulsivity, compulsive gambling, overeating, autism spectrum disorder, MCI, age-related cognitive decline, dementia, RLS, Parkinson's disease, Huntington's chorea, anxiety, depression, MDD, TRD, and bipolar disorder.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: September 15, 2015
    Assignee: PFIZER INC.
    Inventors: Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Chakrapani Subramanyam, Lei Zhang
  • Publication number: 20150209445
    Abstract: Cytotoxic dimers comprising CBI-based and/or CPI-based sub-units, antibody drug conjugates comprising such dimers, and to methods for using the same to treat cancer and other conditions.
    Type: Application
    Filed: January 26, 2015
    Publication date: July 30, 2015
    Inventors: Andreas MADERNA, Matthew David DOROSKI, Zecheng CHEN, Hud Lawrence RISLEY, Jeffrey Michael CASAVANT, Christopher John O'DONNELL, Alexander M. PORTE, Chakrapani SUBRAMANYAM
  • Patent number: 9067934
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined herein. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: June 30, 2015
    Assignee: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Benjamin Adam Fish, Michael Eric Green, Patrick Bradley Mullins, Cory Michael Stiff, Tuan Phong Tran, Thayalan Navaratnam
  • Publication number: 20150072990
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Application
    Filed: November 17, 2014
    Publication date: March 12, 2015
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Michael Eric Green, Nandini Chaturbhai Patel, Cory Michael Stiff, Tuan Phong Tran, Gregory Wayne Kauffman, Antonia Friederike Stepan, Patrick Robert Verhoest
  • Patent number: 8916564
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: December 23, 2014
    Assignee: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Michael Eric Green, Nandini Chaturbhai Patel, Cory Michael Stiff, Tuan Phong Tran, Gregory Wayne Kauffman, Antonia Friederike Stepan, Patrick Robert Verhoest
  • Publication number: 20140363452
    Abstract: The present invention is directed to cytotoxic pentapeptides, to antibody drug conjugates thereof, and to methods for using the same to treat cancer.
    Type: Application
    Filed: July 2, 2014
    Publication date: December 11, 2014
    Inventors: Matthew David DOROSKI, Andreas MADERNA, Christopher John O'DONNELL, Chakrapani SUBRAMANYAM, Beth VETELINO, Russell George DUSHIN, Pavel STROP, Edmund Idris GRAZIANI
  • Publication number: 20140336176
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof and N-oxides of the foregoing; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds, salts or N-oxides, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, impulsivity, compulsive gambling, overeating, autism spectrum disorder, MCI, age-related cognitive decline, dementia, RLS, Parkinson's disease, Huntington's chorea, anxiety, depression, MDD, TRD, and bipolar disorder.
    Type: Application
    Filed: July 23, 2014
    Publication date: November 13, 2014
    Applicant: PFIZER INC.
    Inventors: JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, DAVID LAWRENCE FIRMAN GRAY, SCOT RICHARD MENTE, STEVEN VICTOR O'NEIL, BRUCE NELSEN ROGERS, CHAKRAPANI SUBRAMANYAM, LEI ZHANG
  • Patent number: 8828401
    Abstract: The present invention is directed to cytotoxic pentapeptides, to antibody drug conjugates thereof, and to methods for using the same to treat cancer.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: September 9, 2014
    Assignee: Pfizer Inc.
    Inventors: Matthew David Doroski, Andreas Maderna, Christopher John O'Donnell, Chakrapani Subramanyam, Beth Vetelino, Russell George Dushin, Pavel Strop, Edmund Idris Graziani
  • Patent number: 8822494
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof and N-oxides of the foregoing; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds, salts or N-oxides, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, impulsivity, compulsive gambling, overeating, autism spectrum disorder, MCI, age-related cognitive decline, dementia, RLS, Parkinson's disease, Huntington's chorea, anxiety, depression, MDD, TRD, and bipolar disorder.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: September 2, 2014
    Assignee: Pfizer Inc.
    Inventors: Jennifer Elizabeth Davoren, Amy Beth Dounay, Ivan Viktorovich Efremov, David Lawrence Firman Gray, Scot Richard Mente, Steven Victor O'Neil, Bruce Nelsen Rogers, Chakrapani Subramanyam, Lei Zhang
  • Publication number: 20140134193
    Abstract: The present invention is directed to novel cytotoxic spliceostatin analogs and derivatives, to antibody drug conjugates thereof, and to methods for using the same to treat medical conditions including cancer.
    Type: Application
    Filed: October 31, 2013
    Publication date: May 15, 2014
    Applicant: PFIZER INC.
    Inventors: Chakrapani SUBRAMANYAM, Frank Erich KOEHN, Kenneth John DIRICO, Alessandra S. EUSTAQUIO, Michael Eric GREEN, Haiyin HE, Min HE, Christopher John O'DONNELL, Sujiet PUTHENVEETIL, Anokha RATNAYAKE, Jesse Alexander TESKE, Hui Yu YANG
  • Publication number: 20140128374
    Abstract: The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof and N-oxides of the foregoing; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds, salts or N-oxides, and their uses for treating D1-mediated (or D1-associated) disorders including, e.g., schizophrenia (e.g., its cognitive and negative symptoms), cognitive impairment (e.g., cognitive impairment associated with schizophrenia, AD, PD, or pharmacotherapy therapy), ADHD, impulsivity, compulsive gambling, overeating, autism spectrum disorder, MCI, age-related cognitive decline, dementia, RLS, Parkinson's disease, Huntington's chorea, anxiety, depression, MDD, TRD, and bipolar disorder.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 8, 2014
    Applicant: PFIZER INC
    Inventors: JENNIFER ELIZABETH DAVOREN, AMY BETH DOUNAY, IVAN VIKTOROVICH EFREMOV, DAVID LAWRENCE FIRMAN GRAY, SCOT RICHARD MENTE, STEVEN VICTOR O'NEIL, BRUCE NELSEN ROGERS, CHAKRAPANI SUBRAMANYAM, LEI ZHANG
  • Patent number: 8697673
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined herein. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: April 15, 2014
    Assignee: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Benjamin Adam Fish, Michael Eric Green, Patrick Bradley Mullins, Cory Michael Stiff, Tuan Phong Tran, Thayalan Navaratnam
  • Publication number: 20140088111
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 27, 2014
    Applicant: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Michael Eric Green, Nandini Chaturbhai Patel, Cory Michael Stiff, Tuan Phong Tran, Gregory Wayne Kauffman, Antonia Friederike Stepan, Patrick Robert Verhoest
  • Publication number: 20140045790
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I as defined herein. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Application
    Filed: October 15, 2013
    Publication date: February 13, 2014
    Applicant: Pfizer Inc.
    Inventors: Martin Youngjin Pettersson, Douglas Scott Johnson, Chakrapani Subramanyam, Christopher John O'Donnell, Christopher William am Ende, Benjamin Adam Fish, Michael Eric Green, Patrick Bradley Mullins, Cory Michael Stiff, Tuan Phong Tran, Thayalan Navaratnam
  • Patent number: 8536164
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I: and pharmaceutically acceptable salts thereof, wherein X, Y, A, R4, n, and R7 are as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: September 17, 2013
    Assignee: Pfizer Inc.
    Inventors: Todd W. Butler, Ramalakshmi Y. Chandrasekaran, Scot R. Mente, Chakrapani Subramanyam, Travis T. Wager