Patents by Inventor Vikas Shreekrishna Shirsath

Vikas Shreekrishna Shirsath 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).

  • Patent number: 8143303
    Abstract: Carbazole derivatives of formula (I), useful in treatment of a CNS disorders related to or affected by the 5-HT6 receptor are described. The pharmacological profile of these compounds includes high affinity binding with 5-HT6 receptor along with good selectivity towards the receptor. Stereoisomers, the salts, methods of preparation and medicines containing the carbazole derivatives are also described.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: March 27, 2012
    Assignee: Suven Life Sciences Limited
    Inventors: Venkata Satya Nirogi Ramakrishna, Rama Sastri Kambhampati, Vikas Shreekrishna Shirsath, Jagadish Babu Konda, Santosh Vishwakarma, Venkateswarlu Jasti
  • Patent number: 7998981
    Abstract: The present invention provides aminoaryl sulphonamide derivatives of formula (I), useful in the treatment of a CNS disorder related to or affected by the 5-HT6 receptor. Pharmacological profiles of these components include high affinity binding with 5-HT6 receptors along with good selectivity towards the receptor. The present invention also includes stereoisomers, the salts, methods of preparation and medicine containing the aminoaryl sulphonamide derivatives.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: August 16, 2011
    Assignee: Suven Life Sciences Limited
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Santosh Vishwakarma, Nagaraj Vishwottam Kandikere, Srinivasulu Kota, Venkateswarlu Jasti
  • Patent number: 7875605
    Abstract: N-arylsulfonyl-3-substituted indole compounds, derivatives, analogs, tautomeric forms, stereoisomers, geometric forms, N-oxides, polymorphs and pharmaceutically acceptable salts.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: January 25, 2011
    Assignee: Suven Life Sciences Limited
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Venkata Satya Veerabhadra Vadlamudi Rao, Venkateswarlu Jasti
  • Patent number: 7781476
    Abstract: Tetracyclic 3-substituted indoles having serotonin receptor affinity and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: August 24, 2010
    Assignee: Suven Life Sciences Limited
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Venkata Satya Veerabhadra Vadlamudi Rao, Venkateswarlu Jasti
  • Publication number: 20100189646
    Abstract: The present invention provides carbazole derivatives of formula (I), useful in treatment of a CNS disorders related to or affected by the 5-HT6 receptor. Pharmacological profile of these compounds includes high affinity binding with 5-HT6 receptor along with good selectivity towards the said receptor. The present invention also includes the stereoisomers, the salts, methods of preparation and medicines containing the said carbazole derivatives.
    Type: Application
    Filed: June 9, 2006
    Publication date: July 29, 2010
    Inventors: Venkata Satya Nirogi Ramakrishna, Rama Sastri Kambhampati, Vikas Shreekrishna Shirsath
  • Publication number: 20100168168
    Abstract: The present invention provides aminoaryl sulphonamide derivatives of formula (I), useful in the treatment of a CNS disorder related to or affected by the 5-HT6 receptor. Pharmacological profiles of these components include high affinity binding with 5-HT6 receptors along with good selectivity towards the receptor. The present invention also includes stereoisomers, the salts, methods of preparation and medicine containing the aminoaryl sulphonamide derivatives.
    Type: Application
    Filed: October 26, 2005
    Publication date: July 1, 2010
    Applicant: Suven Life Sciences, Ltd.
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Santosh Vishwakarma, Nagaraj Vishwottam Kandikere, Srinivasulu Kota, Venkateswarlu Jasti
  • Patent number: 7718690
    Abstract: N-arylsulfonyl-3-aminoalkoxyindoles indole compounds, radioisotopes, stereoisomers, geometric forms, N-oxides, polymorphs and pharmaceutically acceptable salts.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: May 18, 2010
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Venkata Satya Veerabhadra Vadlamudi Rao, Venkateswarlu Jasti
  • Publication number: 20090131507
    Abstract: N-arylsulfonyl-3-aminoalkoxyindoles indole compounds, radioisotopes, stereoisomers, geometric forms, N-oxides, polymorphs and pharmaceutically acceptable salts.
    Type: Application
    Filed: January 6, 2009
    Publication date: May 21, 2009
    Applicant: Suven Life Sciences Limited
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Venkata Satya Veerabhadra Vadlamudi Rao, Venkateswarlu Jasti
  • Patent number: 7507835
    Abstract: N-arylsulfonyl-3-aminoalkoxyindoles indole compounds, radioisotopes, stereoisomers, geometric forms, N-oxides, polymorphs and pharmaceutically acceptable salts.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: March 24, 2009
    Assignee: Suven Life Sciences Ltd.
    Inventors: Venkata Satya Nirogi Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Venkata Satya Veerabhadra Vadlamudi Rao, Venkateswarlu Jasti
  • Publication number: 20080119646
    Abstract: A process for the preparation of substituted benzothiazinoindoles of general formula (I) wherein R1, R2, and R4 are independently selected from hydrogen, chloro, fluoro, amino, nitro, cyano, CHO, (C1-C3)alkyl, perhalo(C1-C3)alkyl, (C1-C3)alkoxy, aryl, aralkyl, aralkoxy, (C5-C7)heterocyclyl, (C5-C7)heterocyclylalkyl, (C5-C7)heterocyclyloxy, acyl, acetyl, alkylamino, aminoalkyl, amide, hydroxyalkyl, carboxylic acid and its derivatives. The process comprises cyclization of compound of general formula-II (i.e. substituted 1-benzenesulfonyl-7-bromo-1H-indole), formula (II) wherein R1, R2, R3 and R4 are attached using suitable catalyst and solvents.
    Type: Application
    Filed: June 23, 2005
    Publication date: May 22, 2008
    Inventors: Venkata Satya Niroai Ramakrishna, Vikas Shreekrishna Shirsath, Rama Sastri Kambhampati, Amol Dinkar Deshpande, Prabhakar Kothmirkar, Venkateswarlu Jasti