Patents by Inventor Shrenik K. Shah

Shrenik K. Shah 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: 10456418
    Abstract: The present invention provides a method for designing a ferric pyrophosphate citrate complex composition containing pyrophosphate, citrate, ferric, sodium, and sulfate ions and calculating and adjusting each salt needed based on a choice of salts that contain the above ions and a desired concentration of each ion in the final product. The present invention also provides a process for preparing a pharmaceutical dosage form of ferric pyrophosphate citrate complex composition in liquid form which is ready to be administrated to patients in need and which maintains the mass balance of ion sources throughout the process.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: October 29, 2019
    Assignee: Navinta, LLC
    Inventors: Mahendra R. Patel, Shrenik K. Shah
  • Patent number: 9718777
    Abstract: A process for the preparation and isolation of crystalline miglustat without the use of a column chromatography or ion exchange purification. The crystalline miglustat has a high purity and a melting point of 128° C. and an endothermic peak is 133° C.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: August 1, 2017
    Assignee: Navinta, LLC
    Inventors: Shrenik K. Shah, Raju Mahadev Kharatkar, Chiragkumar Anilkumar Bhatt, Jitendra Bhagwandas Kevat
  • Publication number: 20170095509
    Abstract: The present invention provides a method for designing a ferric pyrophosphate citrate complex composition containing pyrophosphate, citrate, ferric, sodium, and sulfate ions and calculating and adjusting each salt needed based on a choice of salts that contain the above ions and a desired concentration of each ion in the final product. The present invention also provides a process for preparing a pharmaceutical dosage form of ferric pyrophosphate citrate complex composition in liquid form which is ready to be administrated to patients in need and which maintains the mass balance of ion sources throughout the process.
    Type: Application
    Filed: October 5, 2016
    Publication date: April 6, 2017
    Inventors: Mahendra R. Patel, Shrenik K. Shah
  • Publication number: 20160168092
    Abstract: A process for the preparation and isolation of crystalline miglustat without the use of a column chromatography or ion exchange purification. The crystalline miglustat has a high purity and a melting point of 128° C. and an endothermic peak is 133° C.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Inventors: Shrenik K. Shah, Raju Mahadev Kharatkar, Chiragkumar Anilkumar Bhatt, Jitendra Bhagwandas Kevat
  • Patent number: 9108920
    Abstract: A compound having the structure: useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: August 18, 2015
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Robert K. Baker, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Edward Metzger, Lin Yan, Shrenik K. Shah, James Dellureficio, Jun Wang
  • Patent number: 8754099
    Abstract: Beta-carboline derivatives of structural formula I are selective antagonists of the somatostatin subtype receptor 3 (SSTR3) and are useful for the treatment of Type 2 diabetes mellitus and of conditions that are often associated with this disease, including hyperglycemia, insulin resistance, obesity, lipid disorders, and hypertension. The compounds are also useful for the treatment of depression and anxiety.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: June 17, 2014
    Assignee: Merck Sharp & Dohme Corp
    Inventors: Liangqin Guo, William K. Hagmann, Shuwen He, Zhong Lai, Jian Liu, Ravi P. Nargund, Shrenik K. Shah, Quang T. Truong
  • Publication number: 20130296278
    Abstract: A compound having the structure (I) useful for treating hypertension, pulmonary arterial hypertension, congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Application
    Filed: January 12, 2012
    Publication date: November 7, 2013
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Edward Metzger, Shrenik K. Shah, James Dellureficio
  • Publication number: 20130289003
    Abstract: A compound having the structure: useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Application
    Filed: October 25, 2011
    Publication date: October 31, 2013
    Inventors: Amjad Ali, Michael Man-Chu Lo, Robert K. Baker, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Edward Metzger, Lin Yan, Shrenik K. Shah, James Dellureficio, Jun Wang
  • Patent number: 8361994
    Abstract: A compound having the structure useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: January 29, 2013
    Assignee: Merck Sharp & Dohme Corp
    Inventors: Amjad Ali, Michael Man-Chu Lo, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Lin Yan, Shrenik K. Shah
  • Publication number: 20120264777
    Abstract: Beta-carboline derivatives of structural formula I are selective antagonists of the somatostatin sub-type receptor 3 (SSTR3) and are useful for the treatment of Type 2 diabetes mellitus and of conditions that are often associated with this disease, including hyperglycemia, insulin resistance, obesity, lipid disorders, and hypertension. The compounds are also useful for the treatment of depression and anxiety.
    Type: Application
    Filed: January 11, 2011
    Publication date: October 18, 2012
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Liangqin Guo, William K. Hagmann, Shuwen He, Zhong Lai, Jian Liu, Ravi P. Nargund, Shrenik K. Shah, Quang T. Truong
  • Publication number: 20120232039
    Abstract: A compound having the structure useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.
    Type: Application
    Filed: March 5, 2012
    Publication date: September 13, 2012
    Inventors: Amjad ALI, Michael Man-Chu Lo, Brent Whitehead, Shrenik K. Shah, Lin Yan, Timothy J. Henderson, Zack Zhiqiang Guo
  • 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: 20100184799
    Abstract: Beta-carboline derivatives of structural formula I are selective antagonists of the somatostatin subtype receptor 3 (SSTR3) and are useful for the treatment of Type 2 diabetes mellitus and of conditions that are often associated with this disease, including hyperglycemia, insulin resistance, obesity, lipid disorders, and hypertension. The compounds are also useful for the treatment of depression and anxiety.
    Type: Application
    Filed: January 12, 2010
    Publication date: July 22, 2010
    Inventors: WU DU, WILLIAM K. HAGMANN, SHUWEN HE, ZHONG LAI, SHRENIK K. SHAH, QUANG T. TRUONG
  • Publication number: 20100184758
    Abstract: Beta-carboline derivatives of structural formula I are selective antagonists of the somatostatin subtype receptor 3 (SSTR3) and are useful for the treatment of Type 2 diabetes mellitus and of conditions that are often associated with this disease, including hyperglycemia, insulin resistance, obesity, lipid disorders, and hypertension. The compounds are also useful for the treatment of depression and anxiety.
    Type: Application
    Filed: July 15, 2008
    Publication date: July 22, 2010
    Inventors: Peter H. Dobbelaar, Wu Du, Liangqin Guo, William K. Hagmann, Shuwen He, Tianying Jian, Jian Liu, Ravi P. Nargund, Alexander Pasternak, Shrenik K. Shah, Quang T. Truong, Zhixiong Ye, James Deliureficio, Raman Bakshi
  • Patent number: 7667053
    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 8, 2003
    Date of Patent: February 23, 2010
    Assignee: Merck & Co., Inc.
    Inventors: Laurie A. Castonguay, William K. Hagmann, Linus S. Lin, Shrenik K. Shah
  • 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: 7572785
    Abstract: The use of compounds of the present invention as antagonists and/or inverse agonists of the Cannabinoid-1 (CB1) receptor particularly in the treatment, prevention and suppression of diseases mediated by the Cannabinoid-1 (CB1) receptor. The invention is concerned with the use of these novel compounds to selectively antagonize the Cannabinoid-1 (CB1) receptor. As such, compounds of the present invention are useful as psychotropic 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, and schizophrenia. The compounds are also useful for the treatment of substance abuse disorders, particularly to opiates, alcohol, and nicotine.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: August 11, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Paul E. Finke, Sander G. Mills, Christopher W. Plummer, Shrenik K. Shah, Quang T. Truong
  • 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.
  • Patent number: 7423067
    Abstract: Novel compounds of 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 psychotropic 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, Parkinsons 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 21, 2003
    Date of Patent: September 9, 2008
    Assignee: Merck & Co., Inc.
    Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Mark T. Goulet, James P. Jewell
  • 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