Patents by Inventor Ram Vishwakarma

Ram Vishwakarma 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: 20170226051
    Abstract: The present invention relates to the compounds of formula I wherein R is as herein described. The present invention particularly relates to synthesis and antiproliferative activity of 10-substituted colchicinoids. Compounds of the invention can be used for prevention or in the treatment of cancer disease.
    Type: Application
    Filed: October 14, 2015
    Publication date: August 10, 2017
    Inventors: Ram A. Vishwakarma, Sandip B. Bharate, Ajay Kumar, Baljinder Singh, Ashok Kumar, Shashi Bhushan, Abid Hamid, Prashant Joshi, Santosh K. Guru, Suresh Kumar, Aashiq Hussain, Asif K. Qazi, Sonali S. Bharate, Parduman Sharma, Ajit K. Saxena, Dilip M. Mondhe, Girish Mahajan, Zahoor Wani
  • Publication number: 20160052915
    Abstract: The present invention relates to the rohitukine (5,7-dihydroxy-8-(3-hydroxy-1-methyl-piperidin-4-yl)-4H-chromen-4-ones) analogs of formula A and pharmaceutically acceptable salts thereof. In addition, the invention relates to pharmaceutically acceptable compositions comprising at least one such compound, and methods of using the compounds for treating or preventing various proliferative disorders such as melanoma, leukemia, breast cancer and prostate cancer etc. [insert Formula A here] wherein, n=0 or 1, when n=1, the dotted line indicates the double bond.
    Type: Application
    Filed: April 16, 2014
    Publication date: February 25, 2016
    Inventors: Ram A. Vishwakarma, Sandip B. Bharate, Shashi Bhushan, Dilip M. Mondhe, Shreyans K. Jain, Samdarshi Meena, Santosh K. Guru, Anup S. Pathania, Suresh Kumar, Akanksha Behl, Mubashir J. Mintoo, Sonali S. Bharate, Prashant Joshi
  • Patent number: 8637683
    Abstract: The present invention provides compounds represented by formula (1): wherein, R1, R2, R3 and R4 are as defined in the specification, in all their stereoisomeric and tautomeric forms and mixtures thereof in all ratios, and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates, pharmaceutically acceptable polymorphs and prodrugs. The invention also relates to processes for the manufacture of compounds of formula (1) and pharmaceutical compositions containing them. The compounds and the pharmaceutical compositions of the present invention are useful for the treatment of cancer. The present invention further provides a method of treatment of cancer by administering a therapeutically effective amount of the said compound of formula (1) or its pharmaceutical composition, to a mammal in need thereof.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: January 28, 2014
    Assignees: Piramal Enterprises Limited, Oncotest GmbH
    Inventors: Prabhu Dutt Mishra, Shafee Mohammed Abdul, Ram Vishwakarma, Heinz-Herbert Fiebig, Gerhard Kelter
  • Patent number: 8637670
    Abstract: The present invention provides the compounds of formula (I): The present invention relates to imidazo[4,5-c]quinoline derivatives of formula (I), process for their preparation, pharmaceutical compositions containing them and their use in the treatment of diseases mediated by phosphatidylinositol-3-kinase (PBK) and/or mammalian target of rapamycin (mTOR) and/or tumor necrosis factor-? (TNF-oc) and/or interleukin-6 (IL-6), particularly in the treatment of cancer and inflammation.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: January 28, 2014
    Assignee: Piramal Enterprises Limited
    Inventors: Sanjay Kumar, Ram Vishwakarma, Ramswaroop Mundada, Vijaykumar Deore, Pramod Kumar, Somesh Sharma
  • Publication number: 20120245183
    Abstract: The present invention provides compounds represented by formula (1): wherein, R1, R2, R3 and R4 are as defined in the specification, in all their stereoisomeric and tautomeric forms and mixtures thereof in all ratios, and their pharmaceutically acceptable salts, pharmaceutically acceptable solvates, pharmaceutically acceptable polymorphs and prodrugs. The invention also relates to processes for the manufacture of compounds of formula (1) and pharmaceutical compositions containing them. The compounds and the pharmaceutical compositions of the present invention are useful for the treatment of cancer. The present invention further provides a method of treatment of cancer by administering a therapeutically effective amount of the said compound of formula (1) or its pharmaceutical composition, to a mammal in need thereof.
    Type: Application
    Filed: November 15, 2010
    Publication date: September 27, 2012
    Applicants: ONCOTEST GMBH, PIRAMAL LIFE SCIENCES LIMITED
    Inventors: Prabhu Dutt Mishra, Shafee Mohammed Abdul, Ram Vishwakarma, Heinz-Herbert Fiebig, Gerhard Kelter
  • Publication number: 20120108627
    Abstract: The present invention provides the compounds of formula (I): The present invention relates to imidazo[4,5-c]quinoline derivatives of formula (I), process for their preparation, pharmaceutical compositions containing them and their use in the treatment of diseases mediated by phosphatidylinositol-3-kinase (PBK) and/or mammalian target of rapamycin (mTOR) and/or tumor necrosis factor-? (TNF-oc) and/or interleukin-6 (IL-6), particularly in the treatment of cancer and inflammation.
    Type: Application
    Filed: June 30, 2009
    Publication date: May 3, 2012
    Inventors: Sanjay Kumar, Ram Vishwakarma, Ramswaroop Mundada, Vijaykumar Deore, Pramod Kumar, Somesh Sharma
  • Patent number: 8003602
    Abstract: This invention relates to a novel purified compound PM181104, of formula: of molecular weight 1514 and molecular formula C69H66N18O13S5; which is obtained by fermentation of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269). The invention includes all stereoisomeric forms and all tautomeric forms of the compound PM181104 and pharmaceutically acceptable salts and derivatives such as esters and ethers. The present invention further relates to processes for the production of the novel antibacterial compound(s), to the production of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269), and to pharmaceutical compositions containing the novel compound(s) as an active ingredient and its/their use in medicines for treatment and prevention of diseases caused by bacterial infections.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: August 23, 2011
    Assignees: Piramal Life Sciences Limited, Council of Scientific and Industrial Research
    Inventors: Girish Badrinath Mahajan, Saji David George, Prafull Vasant Ranadive, Prabhu Dutt Satyanarayan Mishra, Sreekumar Sankaranarayanan Eyyammadichiyil, Rajan Mukund Panshikar, Satish Namdeo Sawant, Sridevi Krishna, Meenakshi Sivakumar, Koteppa Pari, Becky Mary Thomas, Zarine Eruch Patel, Ram Vishwakarma, Chandrakant Govind Naik, Lisette D'Souza, Prabha Devi
  • Publication number: 20090076094
    Abstract: This invention relates to a novel purified compound PM181104, of formula: of molecular weight 1514 and molecular formula C69H66N18O13S5; which is obtained by fermentation of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269). The invention includes all stereoisomeric forms and all tautomeric forms of the compound PM181104 and pharmaceutically acceptable salts and derivatives such as esters and ethers. The present invention further relates to processes for the production of the novel antibacterial compound(s), to the production of the microorganism belonging to Kocuria species (ZMA B-1/MTCC 5269), and to pharmaceutical compositions containing the novel compound(s) as an active ingredient and its/their use in medicines for treatment and prevention of diseases caused by bacterial infections.
    Type: Application
    Filed: April 10, 2007
    Publication date: March 19, 2009
    Applicants: PIRAMAL LIFE SCIENCES LIMITED, COUNCIL OF SCIENTIFIC AND INDUSTRIAL
    Inventors: Girish Badrinath Mahajan, Saji David George, Prafull Vasant Ranadive, Prabhu Dutt Satyanarayan Mishra, Sreekumar Sankaranarayanan Eyyammadichiyil, Rajan Mukund Panshikar, Satish Namdeo Sawant, Sridevi Krishna, Meenakshi Sivakumar, Koteppa Pari, Becky Mary Thomas, Zarine Eruch Patel, Ram Vishwakarma, Chandrakant Govind Naik, Lisette D'Souza, Prabha Devi
  • Patent number: 5962515
    Abstract: Process for isolation of 1-(3,4-methylenedioxy-phenyl)-1E-tetradecene from Piper longum. Processes for synthesis of 1-(3,4-methylenedioxy-phenyl)-1E-tetradecene; its stereoisomers and analogues are disclosed. The compounds isolated and synthesized according to this invention have immunomodulatory properties and can be used to treat tumors and infections.
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: October 5, 1999
    Assignee: National Institute of Immunology
    Inventors: Shakti N. Upadhyay, Ram A. Vishwakarma, Sabari Ghosal, Supriya Shukla, Chanda Bose, Anita Kamra