Patents by Inventor Ravindra N. Guthikonda

Ravindra N. Guthikonda 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: 7816534
    Abstract: Novel compounds of the structural formula (I) are antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor and are useful in the treatment, prevention and suppression of diseases mediated by the CB1 receptor. The compounds of the present invention are useful as centrally acting drugs in the treatment of psychosis, memory deficits, cognitive disorders, migraine, neuropathy, neuro-inflammatory disorders including multiple sclerosis and Guillain-Barre syndrome and the inflammatory sequelae of viral encephalitis, cerebral vascular accidents, and head trauma, anxiety disorders, stress, epilepsy, Parkinson's disease, movement disorders, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, the treatment of obesity or eating disorders, as well as the treatment of asthma, constipation, chronic intestinal pseudo-obstruction, and cirrhosis of the liver.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: October 19, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Ravindra N. Guthikonda, Hongbo Qi, Linda L. Chang, Ping Liu, Helen M. Armstrong, James P. Jewell, Thomas J. Lanza, Jr.
  • Publication number: 20090258884
    Abstract: Novel compounds of the structural formula (I) are antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor and are useful in the treatment, prevention and suppression of diseases mediated by the CB1 receptor. The compounds of the present invention are useful as centrally acting drugs in the treatment of psychosis, memory deficits, cognitive disorders, migraine, neuropathy, neuro-inflammatory disorders including multiple sclerosis and Guillain-Barre syndrome and the inflammatory sequelae of viral encephalitis, cerebral vascular accidents, and head trauma, anxiety disorders, stress, epilepsy, Parkinson's disease, movement disorders, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, the treatment of obesity or eating disorders, as well as the treatment of asthma, constipation, chronic intestinal pseudo-obstruction, and cirrhosis of the liver.
    Type: Application
    Filed: April 16, 2009
    Publication date: October 15, 2009
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Ravindra N. Guthikonda, Hongbo Qi, Linda L. Chang, Ping Liu, Helen M. Armstrong, James P. Jewell, Thomas J. Lanza, JR.
  • Patent number: 7550489
    Abstract: Novel compounds of the structural formula (I) are antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor and are useful in the treatment, prevention and suppression of diseases mediated by the CB1 receptor. The compounds of the present invention are useful as centrally acting drugs in the treatment of psychosis, memory deficits, cognitive disorders, migraine, neuropathy, neuro-inflammatory disorders including multiple sclerosis and Guillain-Barre syndrome and the inflammatory sequelae of viral encephalitis, cerebral vascular accidents, and head trauma, anxiety disorders, stress, epilepsy, Parkinson's disease, movement disorders, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, the treatment of obesity or eating disorders, as well as the treatment of asthma, constipation, chronic intestinal pseudo-obstruction, and cirrhosis of the liver.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: June 23, 2009
    Assignee: Merck & Co., Inc.
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Ravindra N. Guthikonda, Hongbo Qi, Linda L. Chang, Ping Liu, Helen M. Armstrong, James P. Jewell, Thomas J. Lanza, Jr.
  • Publication number: 20080171692
    Abstract: Novel compounds of the structural formula (I) are antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor and are useful in the treatment, prevention and suppression of diseases mediated by the CB1 receptor. The compounds of the present invention are useful as centrally acting drugs in the treatment of psychosis, memory deficits, cognitive disorders, migraine, neuropathy, neuro-inflammatory disorders including multiple sclerosis and Guillain-Barre syndrome and the inflammatory sequelae of viral encephalitis, cerebral vascular accidents, and head trauma, anxiety disorders, stress, epilepsy, Parkinson's disease, movement disorders, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, the treatment of obesity or eating disorders, as well as the treatment of asthma, constipation, chronic intestinal pseudo-obstruction, and cirrhosis of the liver.
    Type: Application
    Filed: February 1, 2008
    Publication date: July 17, 2008
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Ravindra N. Guthikonda, Hongbo Qi, Linda L. Chang, Ping Liu, Helen M. Armstrong, James P. Jewell, Thomas J. Lanza
  • Patent number: 6972295
    Abstract: Novel compounds of the structural formula (I) are antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor and are useful in the treatment, prevention and suppression of diseases mediated by the CB1 receptor. The compounds of the present invention are useful as centrally acting drugs in the treatment of psychosis, memory deficits, cognitive disorders, migraine, neuropathy, neuro-inflammatory disorders including multiple sclerosis and Guillain-Barre syndrome and the inflammatory sequelae of viral encephalitis, cerebral vascular accidents, and head trauma, anxiety disorders, stress, epilepsy, Parkinson's disease, movement disorders, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, the treatment of obesity or eating disorders, as well as the treatment of asthma, constipation, chronic intestinal pseudo-obstruction, and cirrhosis of the liver.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: December 6, 2005
    Assignee: Merck & Co., Inc.
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Ravindra N. Guthikonda, Hongbo Qi, Linda L. Chang, Ping Liu, Helen M. Armstrong, James P. Jewell, Thomas J. Lanza, Jr.
  • Publication number: 20040058820
    Abstract: Novel compounds of the structural formula (I) are antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor and are useful in the treatment, prevention and suppression of diseases mediated by the CB1 receptor. The compounds of the present invention are useful as centrally acting drugs in the treatment of psychosis, memory deficits, cognitive disorders, migraine, neuropathy, neuro-inflammatory disorders including multiple sclerosis and Guillain-Barre syndrome and the inflammatory sequelae of viral encephalitis, cerebral vascular accidents, and head trauma, anxiety disorders, stress, epilepsy, Parkinson's disease, movement disorders, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, the treatment of obesity or eating disorders, as well as the treatment of asthma, constipation, chronic intestinal pseudo-obstruction, and cirrhosis of the liver.
    Type: Application
    Filed: March 12, 2003
    Publication date: March 25, 2004
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Ravindra N. Guthikonda, Hongbo Qi, Linda L. Chang, Ping Liu, Helen M. Armstrong, James P. Jewell, Thomas J. Lanza
  • Patent number: 6248755
    Abstract: The present invention is directed to pyrrolidine compounds of the formula I: (wherein R1, R2, R3, R4, R5, R6, R14 and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-5 and/or CCR-3.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: June 19, 2001
    Assignee: Merck & Co., Inc.
    Inventors: Kevin Chapman, Jeffrey Hale, Dooseop Kim, Christopher Lynch, Shrenik Shah, Kothandaraman Shankaran, Dong-Ming Shen, Christopher Willoughby, Malcolm MacCoss, Sander G. Mills, Jennifer L. Loebach, Ravindra N. Guthikonda
  • Patent number: 5629322
    Abstract: Disclosed herein are compounds of Formula I ##STR1## and pharmaceutically acceptable salts thereof which have been found useful in the treatment of nitric oxide synthase mediated diseases and disorders, including neurodegenerative disorders, disorders of gastrointestinal motility and inflammation. These disease and disorders include hypotension, septic shock, toxic shock syndrom, hemodialysis, IL-2 therapy such as in cancer patients, cachexia, immunosuppression such as in transplant therapy, autoimmune and/or inflammatory indications including sunburn or psoriasis and respiratory conditions such as bronchitis, asthma, and acure respiratory distress (ARDS), myocarditis, heart failure, atherosclerosis, arthritis, rheumatoid arthritis, chronic or inflammatory bowel disease, ulcerative colitis, Crohn's disease, systemic lupus erythematosis (SLE), ocular conditions such as ocular hypertension and uveitis, type 1 diabetes, insulin-dependent diabetes mellitus and cystic fibrosis.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 13, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Ravindra N. Guthikonda, Stephan K. Grant, Malcolm Maccoss, Shrenik K. Shah, Kothandaraman Shankaran, Charles G. Caldwell, Philippe L. Durette
  • Patent number: 5532261
    Abstract: Compounds are disclosed represented by the formula: ##STR1## wherein Y is: ##STR2## or a pharmaceutically acceptable salt or ester thereof. ##STR3## represents an aromatic 6 membered ring; zero or one of T, U, V and W represents N.sup.+ R.sup.y and the remainder of T, U, V and W are independently selected from C and N, such that one of T, U, V and W represents N.sup.+ R.sup.y or N.Pharmaceutical compositions and methods of use are also included.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: July 2, 1996
    Assignee: Merck & Co., Inc.
    Inventors: Frank P. DiNinno, Ravindra N. Guthikonda, Laura C. Meurer
  • Patent number: 5409920
    Abstract: Carbapenems of the formula ##STR1## are useful antibacterial agents.
    Type: Grant
    Filed: October 5, 1990
    Date of Patent: April 25, 1995
    Assignee: Merck & Co., Inc.
    Inventors: Ravindra N. Guthikonda, Frank P. DiNinno
  • Patent number: 5342933
    Abstract: Carbapenems of the formula ##STR1## are useful antibacterial agents.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: August 30, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Frank DiNinno, Susan M. Schmitt, Ravindra N. Guthikonda
  • Patent number: 5334590
    Abstract: Carbapenems of the formula ##STR1## are useful antibacterial agents.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: August 2, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Frank DiNinno, Ravindra N. Guthikonda
  • Patent number: 5294610
    Abstract: Carbapenems of the formula ##STR1## wherein a suitably substituted aza-9-fluorenone is attached at the 2-position of the carbapenem are useful antibacterial agents.
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: March 15, 1994
    Assignee: Merck & Co. Inc.
    Inventors: Frank P. DiNinno, Ravindra N. Guthikonda
  • Patent number: 5292879
    Abstract: Carbapenem compounds of the formula ##STR1## are useful intermediates for preparing antibacterial agents.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: March 8, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Frank DiNinno, Ravindra N. Guthikonda, Susan M. Schmitt
  • Patent number: 5256777
    Abstract: Carbapenems of the formula ##STR1## are useful intermediates to antibacterial agents.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: October 26, 1993
    Assignee: Merck & Co., Inc.
    Inventors: Frank DiNinno, Ravindra N. Guthikonda
  • Patent number: 5220011
    Abstract: Carbapenem intermediates of the formula ##STR1## where: M is a removable protecting group for carboxy, andP' is a removable protecting group for hydroxyare useful intermediates for preparing antibacterial agents.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: June 15, 1993
    Assignee: Merck & Co., Inc.
    Inventors: Frank P. DiNinno, Ravindra N. Guthikonda, Susan M. Schmitt
  • Patent number: 5143914
    Abstract: Carbapenems of the formula ##STR1## are useful antibacterial agents.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: September 1, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Frank P. DiNinno, Ravindra N. Guthikonda, Susan M. Schmitt
  • Patent number: 5138050
    Abstract: New antibacterial 6-amido-1-methylcarbapenems and process for their synthesis involving new azetidinone intermediates.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: August 11, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Ravindra N. Guthikonda, Frank P. DiNinno, Thomas N. Salzmann
  • Patent number: 5128335
    Abstract: Carbapenems of the formula ##STR1## are useful antibacterial agents.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: July 7, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Ravindra N. Guthikonda, Susan M. Schmitt, Frank P. Dininno
  • Patent number: 4298741
    Abstract: Disclosed are 6-amido-3-substituted-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acids (I): ##STR1## wherein R.sup.1 is hydrogen or acyl; andX is halo, oxygen (the 2-3 bond is saturated and the species I exists as a carboxylate salt or ester), or --OR wherein R is, inter alia, acyl, alkyl, or aralkyl. Such compounds and their pharmaceutically acceptable salt, ester and amide derivatives are useful as antibiotics. Also disclosed are processes for the preparation of such compounds, pharmaceutical compositions comprising such compounds and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
    Type: Grant
    Filed: July 11, 1980
    Date of Patent: November 3, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Burton G. Christensen, Ravindra N. Guthikonda, Ronald W. Ratcliffe