Patents by Inventor Virendra Kachhadia

Virendra Kachhadia 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: 8476255
    Abstract: Provided herein are novel, stilbene like compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, metabolites, prodrugs, solvates, pharmaceutically acceptable salts and compositions thereof. These compounds can inhibit HDACs and are useful as a therapeutic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, etc.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: July 2, 2013
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Sridharan Rajagopal, Virendra Kachhadia, Thanasekaran Ponpandian, Abdul Raheem Keeri, Umamaheswari Mani, Suresh Rathinasamy, Praveen Rajendran, Kamaraj Mani, Balaji Ramachandran, Punthalir Narayanaswamy, Sriram Rajagopal
  • Patent number: 8450525
    Abstract: Novel compounds of the general formula (I), having histone deacetylase (HDAC) inhibiting enzymatic activity, their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I).
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: May 28, 2013
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Sridharan Rajagopal, Virendra Kachhadia, Thanasekaran Ponpandian, Abdul Raheem Keeri, Karnambaram Anandhan, Sriram Rajagopal, Rajendran Praveen, Prabhu Daivasigamani
  • Patent number: 8420653
    Abstract: Described are novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. These compounds are useful in the treatment of immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; atherosclerosis; cancer; cachexia; ischemic-induced cell damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; ARDS; psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; asthma; COPD; bone resorption diseases; multiple sclerosis; sepsis; septic shock; toxic shock syndrome and fever. More particularly these compounds are useful as PDE4 inhibitors and are useful for treating PDE4 mediated diseases.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: April 16, 2013
    Assignee: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Visweswara Akella Satya Surya Srinivas, Ravikumar Tadiparthi, Ganapavarapu Veera Raghava Sharma, Thirunavukkarasu Sappanimuthu, Durairaj Peter Bhakiaraj, Virendra Kachhadia, Kilambi Narasimhan, Sathya Narayana Thara, Sriram Rajagopal, Sukunath Narayanan, Venkatesan Parameswaran, Venkatesan Janarthanam, Maruthikumar Narayanam, Sathyanarayana Gadde, Uma Ramachandran, Gopalan Balasubramanian, Narayanan Surendran, Shridhar Narayanan, Lolaknath Santosh Vishwakarma, Sanjeev Saxena, Nishikanth Reddy Gaddam
  • Patent number: 8263044
    Abstract: The present invention relates to novel stilbene like compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel stilbene like compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I) as described above.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: September 11, 2012
    Assignee: Orchid Research Laboratories Limited
    Inventors: Akella Satya Surya Visweswara Srinivas, Urkalan Kaveri Balan, Narayana Swamy Punthalir, Rama Swamy Velmurugan, Sriram Rajagopal, Gaddam Om Reddy, Virendra Kachhadia
  • Publication number: 20110212943
    Abstract: Provided herein are novel bridged cyclic derivatives of the general formula (I), their analogs, tautomeric forms, stereoisomers, polymorphs, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. These compounds can inhibit HDACs and are useful as therapeutic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, neurode-generative disorders etc.
    Type: Application
    Filed: October 14, 2009
    Publication date: September 1, 2011
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED
    Inventors: Gopalan Balasubramanian, Ponpandian Thanasekaran, Sridharan Rajagopal, Bharathimohan Kuppusamy, Virendra Kachhadia, Vignesh Radhakrishnan, Sivasudar Velaiah, Shridhar Narayanan, Mandar Bhonde, Praveen Rajendran, Sriram Rajagopal
  • Patent number: 7863446
    Abstract: Novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof are described. These compounds are useful in the treatment of immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; atherosclerosis; cancer; cachexia; ischemic-induced cell-damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; adult respiratory distress syndrome (ARDS); psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; asthma; COPD; bone resorption diseases; multiple sclerosis; sepsis; septic shock; toxic shock syndrome and fever.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: January 4, 2011
    Assignee: Orchid Research Laboratories Limited
    Inventors: Akella Satya Surya Visweswara Srinivas, Ravikumar Tadiparthi, Ganapavarapu Veera Raghava Sharma, Sappanimuthu Thirunavukkarasu, Durairaj Peter Bhakiaraj, Virendra Kachhadia, Kilambi Narsimhan, Sathya Narayana Thara, Sriram Rajagopal, Gaddam Om Reddy, Sukunath Narayanan, Venkatesan Parameswaran, Venkatesan Janarthanam, Maruthikumar Narayanam, Sathyanarayana Gadde, Uma Ramachandran
  • Publication number: 20100329998
    Abstract: Described are novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. These compounds are useful in the treatment of immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; atherosclerosis; cancer; cachexia; ischemic-induced cell damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; ARDS; psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; asthma; COPD; bone resorption diseases; multiple sclerosis; sepsis; septic shock; toxic shock syndrome and fever. More particularly these compounds are useful as PDE4 inhibitors and are useful for treating PDE4 mediated diseases.
    Type: Application
    Filed: January 30, 2009
    Publication date: December 30, 2010
    Inventors: Visweswara Akella Satya Surya Srinivas, Ravikumar Tadiparthi, Ganapavarapu Veera Raghava Sharma, Thirunavukkarasu Sappanimuthu, Durairaj Peter Bhakiaraj, Virendra Kachhadia, Kilambi Narasimhan, Sathya Narayana Thara, Sriram Rajagopal, Om Gaddam, Nishikanth Reddy Gaddam, Sukunath Narayanan, Venkatesan Parameswaran, Venkatesan Janarthanam, Maruthikumar Narayanam, Sathyanarayana Gadde, Uma Ramachandran, Gopalan Balasubramanian, Narayanan Surendran, Shridhar Narayanan, Lolaknath Santosh Vishwakarma, Sanjeev Saxena
  • Publication number: 20100298402
    Abstract: Described are novel compounds of the formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites, and prodrugs thereof. These novel compounds can inhibit pSTAT3/IL-6 and are useful as a therapeutic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, etc.
    Type: Application
    Filed: November 4, 2008
    Publication date: November 25, 2010
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED
    Inventors: Sridharan Rajagopal, Thangapazham Selvakumar, Kuppusamy Bharathimohan, Virendra Kachhadia, Sriram Rajagopal, Rajendran Praveen, Ramachandran Balaji
  • Publication number: 20100291003
    Abstract: Novel compounds of the general formula (I), having histone deacetylase (HDAC) inhibiting enzymatic activity, their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I).
    Type: Application
    Filed: October 21, 2008
    Publication date: November 18, 2010
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED
    Inventors: Sridharan Rajagopal, Virendra Kachhadia, Thanasekaran Ponpandian, Abdul Raheem Keeri, Karnambaram Anandhan, Sriram Rajagopal, Rajendran Praveen, Prabhu Daivasigamani
  • Publication number: 20100222379
    Abstract: Provided herein are novel, stilbene like compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, metabolites, prodrugs, solvates, pharmaceutically acceptable salts and compositions thereof. These compounds can inhibit HDACs and are useful as a therapeutic or ameliorating agent for diseases that are involved in cellular growth such as WO 2009/047615 A2 malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, etc.
    Type: Application
    Filed: October 8, 2008
    Publication date: September 2, 2010
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED
    Inventors: Sridharan Rajagopal, Virendra Kachhadia, Thanasekaran Ponpandian, Abdul Raheem Keeri, Umamaheswari Mani, Suresh Rathinasamy, Praveen Rajendran, Kamaraj Mani, Balaji Ramachandran, Punthalir Narayanaswamy, Sriram Rajagopal
  • Publication number: 20090136431
    Abstract: The present invention relates to novel stilbene like compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel stilbene like compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I) as described above.
    Type: Application
    Filed: November 6, 2006
    Publication date: May 28, 2009
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED
    Inventors: Akella S.S.V. Srinivas, Urkalan K. Balan, Narayana S. Punthalir, Rama S. Velmurugan, Sriram Rajagopal, Gaddam O. Reddy, Virendra Kachhadia
  • Publication number: 20080207606
    Abstract: Novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof are described. These compounds are useful in the treatment of immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; atherosclerosis; cancer; cachexia; ischemic-induced cell-damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; adult respiratory distress syndrome (ARDS); psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; asthma; COPD; bone resorption diseases; multiple sclerosis; sepsis; septic shock; toxic shock syndrome and fever.
    Type: Application
    Filed: February 8, 2008
    Publication date: August 28, 2008
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED.
    Inventors: Akella Satya Surya Visweswara Srinivas, Ravikumar Tadiparthi, Ganapavarapu Veera Raghava Sharma, Sappanimuthu Thirunavukkarasu, Durairaj Peter Bhakiaraj, Virendra Kachhadia, Kilambi Narsimhan, Sathya Narayana Thara, Sriram Rajagopal, Gaddam Om Reddy, Sukunath Narayanan, Venkatesan Parameswaran, Venkatesan Janarthanam, Maruthikumar Narayanam, Sathyanarayana Gadde, Uma Ramachandran
  • Publication number: 20070167413
    Abstract: The present invention relates to novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel hetereocycles of the general formula (I).
    Type: Application
    Filed: December 4, 2006
    Publication date: July 19, 2007
    Applicant: ORCHID RESEARCH LABORATORIES LIMITED.
    Inventors: Akella Satya Surya Visweswara Srinivas, Ravikumar Tadiparthi, Ganapavarapu Veera Raghava Sharma, Sappanimuthu Thirunavukkarasu, Durairaj Peter Bhakiaraj, Virendra Kachhadia, Kilambi Narsimhan, Sathya Narayana Thara, Sriram Rajagopal, Gaddam Om Reddy, Sukunath Narayanan, Venkatesan Parameswaran, Venkatesan Janarthanam