Patents by Inventor Varaprasad Chamakura

Varaprasad Chamakura 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: 20170183333
    Abstract: This invention concerns N-(2-arylamino) aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Application
    Filed: August 3, 2016
    Publication date: June 29, 2017
    Applicant: ARDEA BIOSCIENCES, INC.
    Inventors: Andreas Maderna, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan El Abdellaoul, Zhi Hong
  • Publication number: 20140378466
    Abstract: This invention concerns N-(2-arylamino)aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Applicant: ARDEA BIOSCIENCES
    Inventors: Andreas Maderna, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan El Abdellaoul, Zhi Hong
  • Patent number: 8829052
    Abstract: This invention concerns N-(2-arylamino)aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 9, 2014
    Assignee: Ardea Biosciences, Inc.
    Inventors: Andreas Maderna, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan El Abdellaoul, Zhi Hong
  • Publication number: 20120022076
    Abstract: This invention concerns N-(2-arylamino)aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Application
    Filed: September 23, 2011
    Publication date: January 26, 2012
    Inventors: Andreas MADERNA, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan El Abdellaoul, Dinesh Barawkar, Zhi Hong
  • Patent number: 8101799
    Abstract: This invention concerns N—(2-arylamino) aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: January 24, 2012
    Assignee: Ardea Biosciences
    Inventors: Andreas Maderna, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan El Abdellaoui, Zhi Hong
  • Patent number: 7759518
    Abstract: This invention concerns N-(2-arylamino)aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: July 20, 2010
    Assignee: Ardea Biosciences
    Inventors: Andreas Maderna, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan el Abdellaoui, Zhi Hong
  • Patent number: 7652047
    Abstract: The invention concerns compounds which inhibit MEK and which have activity as anti-neoplastic agents. These compounds include N-substituted-3-hydroxy-5-arylamino-isothiazole-4-carboxamidines. Also included are the tautomeric isothiazol-3(2H)-ones.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: January 26, 2010
    Assignee: Ardea Biosciences, Inc.
    Inventors: Hassan El Abdellaoui, Robert Tam, Huanming Chen, Varaprasad Chamakura, Dinesh Barawkar, Andreas Maderna, Zhi Hong, Stanley Lang
  • Publication number: 20090082457
    Abstract: This invention concerns N-(2-arylamino)aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Application
    Filed: November 25, 2008
    Publication date: March 26, 2009
    Applicant: Andrea Biosciences, Inc.
    Inventors: Andreas MADERNA, Jean-Michel VERNIER, Dinesh BARAWKAR, Varaprasad CHAMAKURA, Hassan EL ABDELLAOUI, Zhi HONG
  • Publication number: 20080306063
    Abstract: The invention concerns compounds which inhibit MEK and which have activity as anti-neoplastic agents. These compounds include N-substituted-3-hydroxy-5-arylamino-isothiazole-4-carboxamidines. Also included are the tautomeric isothiazol-3(2H)-ones.
    Type: Application
    Filed: July 11, 2008
    Publication date: December 11, 2008
    Applicant: Ardea Biosciences, Inc.
    Inventors: Hassan Abdellaoui, Robert Tam, Huanming Chen, Varaprasad Chamakura, Dinesh Barawkar, Andreas Maderna, Zhi Hong, Stanley Lang
  • Patent number: 7429667
    Abstract: The invention concerns compounds which inhibit MEK and which have activity as anti-neoplastic agents. These compounds include N-substituted-3-hydroxy-5-arylamino-isothiazole-4-carboxamidines. Also included are the tautomeric isothiazol-3(2H)-ones.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: September 30, 2008
    Assignee: Ardea Biosciences, Inc.
    Inventors: Hassan Abdellaoui, Robert Tam, Huanming Chen, Varaprasad Chamakura, Dinesh Barawkar, Andreas Maderna, Zhi Hong, Stanley Lang
  • Publication number: 20080058340
    Abstract: This invention concerns N-(2-arylamino) aryl sulfonamides, which are inhibitors of MEK and are useful in treatment of cancer and other hyperproliferative diseases.
    Type: Application
    Filed: July 30, 2007
    Publication date: March 6, 2008
    Applicant: ARDEA BIOSCIENCES, INC.
    Inventors: Andreas Maderna, Jean-Michel Vernier, Dinesh Barawkar, Varaprasad Chamakura, Hassan El Abdellaoui, Zhi Hong
  • Publication number: 20060194802
    Abstract: The invention concerns compounds which inhibit MEK and which have activity as anti-neoplastic agents. These compounds include N-substituted-3-hydroxy-5-arylamino-isothiazole-4-carboxamidines. Also included are the tautomeric isothiazol-3(2H)-ones.
    Type: Application
    Filed: January 20, 2006
    Publication date: August 31, 2006
    Inventors: Hassan Abdellaoui, Robert Tam, Huanming Chen, Varaprasad Chamakura, Dinesh Barawkar, Andreas Maderna, Zhi Hong, Stanley Lang