Patents by Inventor Abhijit Ray

Abhijit Ray 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: 20090326004
    Abstract: The present invention relates generally to muscarinic receptor antagonist, which are useful, among other uses, for the treatment of various diseases of the respiratory, urinary and gastrointestinal systems mediated through muscarinic receptors. The invention also relates to the process for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds and the method for treating diseases mediated through muscarinic receptors. Also provided herein are pharmaceutical composition comprising one or more muscarinic receptor antagonists and at least one other active ingredients include, but are not limited to, corticosteroids, beta agonists, leukotriene antagonists, 5-lipoxygenase inhibitors, anti-histamines, antitussives, dopamine receptor antagonists, chemokine inhibitors, p38 MAP Kinase inhibitors, and PDE-IV inhibitors.
    Type: Application
    Filed: May 28, 2009
    Publication date: December 31, 2009
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Naresh KUMAR, Jitendra A. SATTIGERI, Shelly AERON, Malvika GARG, Abhijit RAY, Suman GUPTA, Shivani MALHOTRA, Raj Kumar SHIRUMALLA
  • Publication number: 20090318454
    Abstract: Formula 1 is an antioxidant compound, wherein R, R1, or D is an antioxidant substituent; R and D are each independently selected from hydrogen or groups containing cysteine, thiols, disulfides, amino acids, amines, amides, or carboxylic acids; when one of R or D is hydrogen, the other includes a thiol, disulfide, or carboxylic acid; A is CO, SO, SO2, or C?S; E is one or more ring groups which are aromatic, carbocyclic, and/or heterocyclic 5, 6 and 7 membered rings being mono, bi, tri, tetra, penta, hexa, hepta or octa cyclic fused rings that are substituted or unsubstituted, each heterocyclic ring can include hetero atoms chosen from to O, S, N, Se, or P; each R1 is at a para, meta, and/or ortho position; n is 1, 2, 3, 4, or 5 for each ring; and each R1 is hydrogen or an antioxidant substituent.
    Type: Application
    Filed: March 24, 2009
    Publication date: December 24, 2009
    Inventors: Carl P. Weiner, Peter Swaan, Jeffrey Aube, Abhijit Ray
  • Publication number: 20090306129
    Abstract: The present invention relates to phosphodiesterase (PDE) type IV selective inhibitors. Processes for the preparation of disclosed compounds, pharmaceutical compositions containing the disclosed compounds and their use as PDE type IV selective inhibitors are provided. Prepared compounds correspond to structure XIV Formula (XIV).
    Type: Application
    Filed: September 11, 2006
    Publication date: December 10, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Vinayak Vasantrao Khairnar, Mandadapu Raghuramaiah, Abhijit Ray, Sunanda Ghose Dastidar
  • Patent number: 7629812
    Abstract: A switching circuit can have a plurality of first signal lines of a programmable logic device, a plurality of second signal lines of the programmable logic device, and a plurality of switch elements. Each switch element can selectively couple one first signal line to a second signal line and include one or more switch junction field effect transistors (JFETs) having a first control gate separated from a second control gate by a channel region.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: December 8, 2009
    Assignee: DSM Solutions, Inc.
    Inventors: Damodar R. Thummalapally, Abhijit Ray
  • Publication number: 20090221515
    Abstract: The present invention relates to monosaccharide derivatives as anti-inflammatory agents. The compounds disclosed herein can be useful for inhibition and prevention of inflammation and associated pathologies, including inflammatory and autoimmune diseases such as bronchial asthma, rheumatoid arthritis, type I diabetes, multiple sclerosis, allograft rejection, psoriasis, inflammatory bowel disease, ulcerative colitis, acne, atherosclerosis, cancer, pruritis or allergic rhinitis. Pharmacological compositions containing the compounds of the present invention and the methods of treating bronchial asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, multiple sclerosis, type I diabetes, psoriasis, allograft rejection, inflammatory bowel disease, ulcerative colitis, acne, atherosclerosis, cancer, pruritis, allergic rhinitis and other inflammatory and/or autoimmune disorders, using the compounds are also provided.
    Type: Application
    Filed: August 31, 2005
    Publication date: September 3, 2009
    Inventors: Viswajanani Jitendra Sattigeri, Sudershan K. Arora, Venkata P. Palle, Mohammad Salman, Abhijit Ray, Raj Kumar Shirumalla, Abdul Rehaman Abdul Rauf
  • Publication number: 20090221664
    Abstract: Provided herein are pharmaceutical compositions comprising one or more muscarinic receptor antagonists (“MRA”), and at least one additional active ingredients selected from one or more ?2-agonists, p38 MAP kinase inhibitors, PDE-IV inhibitors, corticosteroids or a mixture thereof and optionally one or more pharmaceutically acceptable carriers, excipients or diluents. In addition, methods of treating autoimmune, inflammatory or allergic diseases or disorders are provided.
    Type: Application
    Filed: October 19, 2006
    Publication date: September 3, 2009
    Inventors: Abhijit Ray, Sunanda G. Dastidar, Rajkumar Shirumalla, Shivani Malhotra
  • Publication number: 20090221600
    Abstract: Provided are novel pyrido-pyrimidine derivatives, having the structure of Formula (I): which can be used as anti-inflammatory agents. Also provided are pharmaceutical compositions comprising one or more pyrido-pyrimidine derivatives, as well as methods of treating autoimmune diseases, inflammation or associated pathologies, including for example, sepsis, rheumatoid arthritis, inflammatory bowel disease, type-1 diabetes, asthma, chronic obstructive pulmonary disorder, organ transplant rejection and psoriasis, comprising administering such compounds or pharmaceutical compositions comprising them.
    Type: Application
    Filed: September 28, 2006
    Publication date: September 3, 2009
    Inventors: Ashwani Kumar Verma, Yogesh Bhaskarrao Waman, Venkata P. Palle, Atul Kondaskar, Abhijit Ray, Malini Bajpai, Geeta Sharma
  • Publication number: 20090221566
    Abstract: The present invention relates to oxazine derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. Compounds disclosed herein can be useful in the treatment of CMS disorders, AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases especially in humans. Processes for the preparation of disclosed compounds are provided, as well as pharmaceutical compositions containing the disclosed compounds, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Application
    Filed: October 5, 2006
    Publication date: September 3, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Sarika Ramnani, Abhijit Ray, Sunanda G. Dastidar
  • Publication number: 20090168508
    Abstract: A static random access memory (SRAM) device can include at least one SRAM cell having storage section that includes at least a first junction field effect transistor (JFET) with a gate terminal formed from a semiconductor layer deposited on a substrate surface. The storage section can also include at least a first storage node that provides a potential corresponding to a stored data value. The SRAM cell further includes a first access section that includes at least a first bipolar junction transistor (BJT) having an emitter formed from the semiconductor layer.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 2, 2009
    Inventors: Ashok K. Kapoor, Damodar R. Thummalapally, Abhijit Ray
  • Publication number: 20090137623
    Abstract: The present invention relates to muscarinic receptor modulators, specifically, 7-oxo-2-azabicyclo[2.2.1]heptanes of formula (I) which are useful for the treatment of various diseases and conditions, for example, Alzheimer's disease, glaucoma, psychosis, particularly schizophrenia or schizophreniform conditions, mania, pain, bipolar disorder, depression, sleeping disorders, epilepsy, gastrointestinal motility disorders, urinary incontinence, and cognition enhancement.
    Type: Application
    Filed: January 2, 2007
    Publication date: May 28, 2009
    Inventors: Naresh Kumar, Ian Anthony Cliffe, Mohammad Salman, Venkata P. Palle, Kirandeep Kaur, Yogesh D. Shejul, Anita Chugh, Suman Gupta, Abhijit Ray, Shivani Malhotra, Raj Kumar Shirumalla
  • Publication number: 20090131430
    Abstract: The present invention relates to novel azabicyclo derivatives as anti-inflammatory agents. The compounds provided herein can be useful for inhibition and prevention of inflammation and associated pathologies including inflammatory and autoimmune diseases such as sepsis, rheumatoid arthritis, inflammatory bowel disease, type-1 diabetes, asthma, chronic obstructive pulmonary disorder, organ transplant rejection and psoriasis. Also provided herein are pharmacological compositions containing compounds provided herein and associated methods of treating sepsis, rheumatoid arthritis, inflammatory bowel disease, type-1 diabetes, asthma, chronic obstructive pulmonary disorder, organ transplant rejection and psoriasis, and other inflammatory and/or autoimmune disorders, using the compounds.
    Type: Application
    Filed: November 23, 2005
    Publication date: May 21, 2009
    Inventors: Venkata P. Palle, Rakesh Kumar Singh, Sanjay Malhotra, Yogesh Bhaskarrao Waman, Ashwani Verma, Abhijit Ray, Geeta Sharma
  • Publication number: 20090075909
    Abstract: The present invention relates to monosaccharide derivatives as anti-inflammatory agents. The compounds of this invention can be useful for inhibition and prevention of inflammation and associated pathologies, including inflammatory and autoimmune diseases, for example, bronchial asthma, rheumatoid arthritis, type I diabetes, multiple sclerosis, allograft rejection or psoriasis. The present invention also relates to pharmacological compositions containing these monosaccharide derivatives, as well as methods of treating bronchial asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, multiple sclerosis, type I diabetes, psoriasis, allograft rejection, and other inflammatory and/or auto immune disorders.
    Type: Application
    Filed: December 22, 2005
    Publication date: March 19, 2009
    Applicant: RANBAXY LABORATORIES LIMITED INC.
    Inventors: Viswajanani Jitendra Sattigeri, Sudershan K. Arora, Mohammad Salman, Venkata P. Palle, Muthukaman Nagarajan, Rajkumar Shirumalla, Gurpreet Kaur Aulakh, Abhijit Ray
  • Publication number: 20090054382
    Abstract: Provided herein are pharmaceutical compositions comprising one or more phosphodiesterase inhibitors of type IV (“PDE-IV”), and at least one other active ingredients selected from muscarinic receptor antagonists (MRA), ?2-agonists, p38 MAP Kinase inhibitors, and corticosteroids and optionally one or more pharmaceutically acceptable excipients and/or other therapeutic agents. In addition, methods of treating autoimmune, inflammatory or allergic diseases or disorders are provided.
    Type: Application
    Filed: October 19, 2006
    Publication date: February 26, 2009
    Inventors: Abhijit Ray, Sunanda G. Dastidar, Rajkumar Shirumalla, Suman Gupta
  • Publication number: 20090054519
    Abstract: The present invention relates to the use of derivatives of monosaccharides as 5-lipoxygenase inhibitor.
    Type: Application
    Filed: July 20, 2006
    Publication date: February 26, 2009
    Inventors: Abhijit Ray, Raj Kumar Shirumalla, Kasim Mookhtiar, Viswajanani J. Sattigeri, Venkata Palle, Mohammad Salman
  • Publication number: 20090048186
    Abstract: The present invention relates to monosaccharide derivatives as anti-inflammatory agents. The compounds disorder herein can be useful for inhibition and prevention of inflammation and associated pathologies including inflammatory and autoimmune diseases such as bronchial asthma, rheumatoid arthritis, type I diabetes, multiple sclerosis, allograft rejection, psoriasis, inflammatory bowel disease, ulcerative colitis, acne, atherosclerosis, cancer, pruritis and allergic rhinitis. Pharmacological compositions containing compounds disclosed herein and the methods of treating bronchial asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, multiple sclerosis, type I diabetes, psoriasis, allograft rejection, inflammatory bowel disease, ulcerative colitis, acne, atherosclerosis, cancer, pruritis, allergic rhinitis and other inflammatory and/or autoimmune disorders, using the compounds are also provided.
    Type: Application
    Filed: April 19, 2005
    Publication date: February 19, 2009
    Inventors: Vishwajanani Jitendra Sattigeri, Sudershan K. Arora, Mohammad Salman, Venkata P. Palle, Ashis Mukherjee, Abhijit Ray, Raj Kumar Shirumalla
  • Publication number: 20090048247
    Abstract: The present invention relates to isoxazoline derivatives, which can be used as selective inhibitors of phosphodiesterase (PDE) type IV. In particular, compounds disclosed herein can be useful in the treatment of AIDS, asthma, arthritis, bronchitis, chronic obstructive pulmonary disease (COPD), psoriasis, allergic rhinitis, shock, atopic dermatitis, Crohn's disease, adult respiratory distress syndrome (ARDS), eosinophilic granuloma, allergic conjunctivitis, osteoarthritis, ulcerative colitis and other inflammatory diseases in a patient, particularly in humans. The present invention also relates to processes for the preparation of disclosed compounds, as well as pharmaceutical compositions thereof, and their use as phosphodiesterase (PDE) type IV inhibitors.
    Type: Application
    Filed: February 13, 2006
    Publication date: February 19, 2009
    Inventors: Venkata P. Palle, Sarala Balachandran, Nidhi Gupta, Nagarajan Muthukamal, Mandadapu Raghu Ramaiah, Manoj Kumar Khera, Lailt Kumar Baregama, Vinayak Vasantrao Khairnar, Abhijit Ray, Sunanda G. Dastidar
  • Publication number: 20090033361
    Abstract: A switching circuit can have a plurality of first signal lines of a programmable logic device, a plurality of second signal lines of the programmable logic device, and a plurality of switch elements. Each switch element can selectively couple one first signal line to a second signal line and include one or more switch junction field effect transistors (JFETs) having a first control gate separated from a second control gate by a channel region.
    Type: Application
    Filed: August 3, 2007
    Publication date: February 5, 2009
    Inventors: Damodar R. Thummalapally, Abhijit Ray
  • Publication number: 20090036472
    Abstract: The present invention relates to novel azabicyclo derivatives of Formula (I) as anti-inflammatory agents which are useful for inhibition and prevention of inflammation and associated pathologies including inflammatory and autoimmune diseases such as sepsis, rheumatoid arthritis, inflammatory bowel disease, type-1 diabetes, asthma, chronic obstructive pulmonary disorder, organ transplant rejection and psoriasis.
    Type: Application
    Filed: February 1, 2006
    Publication date: February 5, 2009
    Inventors: Venkata P. Palle, Ashwani Verma, Rakesh Kumar Singh, Yogesh Bhaskarrao Waman, Arti Walia, Abhijit Ray, Geeta Sharma
  • Publication number: 20090018174
    Abstract: Provided herein are macrolide derivatives that can be useful in treating or preventing inflammatory diseases. Also provided are pharmaceutical compositions comprising one or more macrolide derivatives optionally together with one or more pharmaceutically acceptable carriers, excipients, diluents or mixtures thereof, as well as methods for treating or preventing inflammatory diseases.
    Type: Application
    Filed: November 8, 2006
    Publication date: January 15, 2009
    Inventors: Pradip Kumar Bhatnagar, Anjan Chakrabarti, Biswajit Das, Malini Bajpai, Abhijit Ray
  • Patent number: 7468366
    Abstract: The invention provides compounds of the invention pharmaceutical compositions comprising a compound of the invention, processes for preparing compounds of the invention, intermediates useful for preparing compounds of the invention, and therapeutic methods for treating cancer and other topoisomerase mediated conditions.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: December 23, 2008
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Edmond J. LaVoie, Alexander L. Ruchelman, Sudhir K. Singh, Abhijit Ray, Leroy F. Liu