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: 10456418Abstract: 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: GrantFiled: October 5, 2016Date of Patent: October 29, 2019Assignee: Navinta, LLCInventors: Mahendra R. Patel, Shrenik K. Shah
-
Patent number: 9718777Abstract: 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: GrantFiled: December 10, 2015Date of Patent: August 1, 2017Assignee: Navinta, LLCInventors: Shrenik K. Shah, Raju Mahadev Kharatkar, Chiragkumar Anilkumar Bhatt, Jitendra Bhagwandas Kevat
-
Publication number: 20170095509Abstract: 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: ApplicationFiled: October 5, 2016Publication date: April 6, 2017Inventors: Mahendra R. Patel, Shrenik K. Shah
-
Publication number: 20160168092Abstract: 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: ApplicationFiled: December 10, 2015Publication date: June 16, 2016Inventors: Shrenik K. Shah, Raju Mahadev Kharatkar, Chiragkumar Anilkumar Bhatt, Jitendra Bhagwandas Kevat
-
Patent number: 9108920Abstract: 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: GrantFiled: October 25, 2011Date of Patent: August 18, 2015Assignee: 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: 8754099Abstract: 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: GrantFiled: January 11, 2011Date of Patent: June 17, 2014Assignee: Merck Sharp & Dohme CorpInventors: Liangqin Guo, William K. Hagmann, Shuwen He, Zhong Lai, Jian Liu, Ravi P. Nargund, Shrenik K. Shah, Quang T. Truong
-
Publication number: 20130296278Abstract: 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: ApplicationFiled: January 12, 2012Publication date: November 7, 2013Applicant: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-Chu Lo, Edward Metzger, Shrenik K. Shah, James Dellureficio
-
Publication number: 20130289003Abstract: 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: ApplicationFiled: October 25, 2011Publication date: October 31, 2013Inventors: 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: 8361994Abstract: 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: GrantFiled: March 5, 2012Date of Patent: January 29, 2013Assignee: Merck Sharp & Dohme CorpInventors: Amjad Ali, Michael Man-Chu Lo, Zhiqiang Guo, Brent Whitehead, Timothy J. Henderson, Lin Yan, Shrenik K. Shah
-
Publication number: 20120264777Abstract: 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: ApplicationFiled: January 11, 2011Publication date: October 18, 2012Applicant: 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: 20120232039Abstract: 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: ApplicationFiled: March 5, 2012Publication date: September 13, 2012Inventors: Amjad ALI, Michael Man-Chu Lo, Brent Whitehead, Shrenik K. Shah, Lin Yan, Timothy J. Henderson, Zack Zhiqiang Guo
-
Patent number: 7816534Abstract: 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: GrantFiled: April 16, 2009Date of Patent: October 19, 2010Assignee: 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: 20100184758Abstract: 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: ApplicationFiled: July 15, 2008Publication date: July 22, 2010Inventors: 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
-
Publication number: 20100184799Abstract: 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: ApplicationFiled: January 12, 2010Publication date: July 22, 2010Inventors: WU DU, WILLIAM K. HAGMANN, SHUWEN HE, ZHONG LAI, SHRENIK K. SHAH, QUANG T. TRUONG
-
Patent number: 7667053Abstract: 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: GrantFiled: April 8, 2003Date of Patent: February 23, 2010Assignee: Merck & Co., Inc.Inventors: Laurie A. Castonguay, William K. Hagmann, Linus S. Lin, Shrenik K. Shah
-
Publication number: 20090258884Abstract: 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: ApplicationFiled: April 16, 2009Publication date: October 15, 2009Inventors: 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: 7572785Abstract: 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: GrantFiled: November 3, 2005Date of Patent: August 11, 2009Assignee: Merck & Co., Inc.Inventors: Paul E. Finke, Sander G. Mills, Christopher W. Plummer, Shrenik K. Shah, Quang T. Truong
-
Patent number: 7550489Abstract: 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: GrantFiled: February 1, 2008Date of Patent: June 23, 2009Assignee: 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: 7423067Abstract: 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: GrantFiled: March 21, 2003Date of Patent: September 9, 2008Assignee: Merck & Co., Inc.Inventors: William K. Hagmann, Linus S. Lin, Shrenik K. Shah, Mark T. Goulet, James P. Jewell
-
Publication number: 20080171692Abstract: 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: ApplicationFiled: February 1, 2008Publication date: July 17, 2008Inventors: 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