Patents by Inventor Robert M. Wenslow

Robert M. Wenslow 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: 20230065636
    Abstract: Pharmaceutical formulations comprising substituted pyrazolopyrimidines are disclosed herein. Also disclosed are amorphous solid dispersions comprising substituted pyrazolopyrimidines, processes for preparing these amorphous solid dispersions, pharmaceutical compositions comprising such dispersions, and methods of use thereof.
    Type: Application
    Filed: January 14, 2021
    Publication date: March 2, 2023
    Inventors: Hanlan LIU, Robert M. WENSLOW, Jr.
  • Publication number: 20220259195
    Abstract: Provided herein are crystalline forms of a cyclin-dependent kinases (CDK) inhibitor, compositions thereof, methods of preparation thereof, and methods of use thereof.
    Type: Application
    Filed: February 2, 2022
    Publication date: August 18, 2022
    Inventors: Matthew John BIGERT, Michael F. BRADLEY, Thomas Stearns TEMPLEMAN, Robert M. WENSLOW
  • Publication number: 20220002292
    Abstract: Described herein are crystalline forms of a P2X3 modulator, namely (S)-methyl-2-((2-(2,6-difluoro-4-(methylcarbamoyl)phenyl-7-methylimidazo[1,2-a]pyridin-3-yl)methyl)morpholine-4-carboxylate or a solvate thereof, and use thereof for treating pain, urinary tract disorder, cough, pruritus and endometriosis.
    Type: Application
    Filed: November 12, 2019
    Publication date: January 6, 2022
    Inventors: Denis GARCEAU, Robert M. WENSLOW, Jr., Kemal PAYZA, Nathalie CHAURET
  • Patent number: 9242917
    Abstract: The present invention relates to different forms of a HCV inhibitory compound.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: January 26, 2016
    Assignees: Merck Sharp & Dohme Limited, Merck Sharp & Dohme Corp.
    Inventors: Gregory L Beutner, Robert M Wenslow, Jr., Eric J Choi, Clinton Scott Shultz, Jeremy Scott, Juan D Arredondo, Laura Artino
  • Patent number: 8946269
    Abstract: Provided herein are crystalline forms of a maleate salt of betrixaban, compositions and methods of preparation or use thereof.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: February 3, 2015
    Assignee: Portola Pharmaceuticals, Inc.
    Inventors: Vincent R. Capodanno, Liam Corcoran, Michael McNevin, Itzia Zoraida Arroyo, Robert M. Wenslow, Richard G. Ball, Eric L. Margelefsky, Timothy K. Maher, Anjali Pandey
  • Publication number: 20140323497
    Abstract: This invention is directed to methods of inhibiting coagulation or treating thrombosis using a factor Xa inhibitor and a P-glycoprotein (Pgp) inhibitor. The invention is also directed to formulations used in the methods.
    Type: Application
    Filed: November 12, 2013
    Publication date: October 30, 2014
    Applicant: Portola Pharmaceuticals, Inc.
    Inventors: Uma Sinha, George A. Mansoor, Anne Hermanowski Vosatka, Vincent R. Capodanno, Robert M. Wenslow, Richard G. Ball, Eric L. Margeiefsky, Timothy K. Maher, Itzia Zoraida Arroyo, Brett Lauring, Liam Corcoran, William Denney, Michael McNevin, Anjali Pandey
  • Publication number: 20140206605
    Abstract: The present invention relates to different forms of a HCV inhibitory compound.
    Type: Application
    Filed: August 16, 2012
    Publication date: July 24, 2014
    Inventors: Gregory L. Beutner, Robert M. Wenslow, JR., Eric J. Choi, Clinton Scott Shultz, Jeremy Scott, Juan D. Arredondo, Laura Artino
  • Patent number: 8618112
    Abstract: Novel crystalline salts of 3-[4-(3-ethanesulfonyl-propyl)-bicyclo[2.2.2]oct-1-yl]-4-methyl-5-(2-trifluoromethyl-phenyl)-4H-1,2,4-triazole are potent inhibitors of 11?-hydroxysteroid dehydrogenase Type 1 and are useful for the treatment of conditions associated with Metabolic Syndrome as well as cognitive impairment. The invention also relates to pharmaceutical compositions containing these novel salts, processes to prepare these salts and their pharmaceutical compositions as well as uses thereof for the treatment of Type 2 diabetes, hyperglycemia, obesity, dyslipidemia, hypertension, and cognitive impairment.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: December 31, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Joseph E. Lynch, Yuri Y. Bereznitski, Frederick T. Mattrey, John L. Leazer, Jr., Russell R. Ferlita, Jinchu Liu, Jungjun Yin, Robert M. Wenslow, Jr.
  • Publication number: 20120095019
    Abstract: This invention is directed to methods of inhibiting coagulation or treating thrombosis using a factor Xa inhibitor and a P-glycoprotein (Pgp) inhibitor. The invention is also directed to formulations used in the methods.
    Type: Application
    Filed: August 31, 2011
    Publication date: April 19, 2012
    Inventors: Uma Sinha, George A. Mansoor, Anne Hermanowski Vosatka, Vincent R. Capodanno, Robert M. Wenslow, Richard G. Ball, Eric L. Margelefsky, Timothy K. Maher, Itzia Zoraida Arroyo, Brett Lauring, Liam Corcoran, William Denney, Michael McNevin, Anjali Pandey
  • Publication number: 20120071519
    Abstract: Provided herein are crystalline forms of a maleate salt of betrixaban, compositions and methods of preparation or use thereof.
    Type: Application
    Filed: August 31, 2011
    Publication date: March 22, 2012
    Inventors: Vincent R. Capodanno, Liam Corcoran, Michael McNevin, Itzia Zoraida Arroyo, Robert M. Wenslow, Richard G. Ball, Eric L. Margelefsky, Timothy K. Maher, Anjali Pandey
  • Patent number: 8129413
    Abstract: The present invention relates to a process for producing N-{(1S)-1-[2-(1-{[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-5-chlorophenyl]ethyl}acetamide, and novel crystalline salts, hydrates, solvates, and polymorphic forms thereof.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: March 6, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ralph Calabria, Yu Cheng, Russell R. Ferlita, Ashkan Kamali, Jerry A. Murry, David Mathre, Andrey V. Peresypkin, Karen Thompson, Jian Wang, Robert M. Wenslow
  • Publication number: 20110237634
    Abstract: Novel crystalline salts of 3-[4-(3-ethanesulfonyl-propyl)-bicyclo[2.2.2]oct-1-yl]-4-methyl-5-(2-trifluoromethyl-phenyl)-4H-1,2,4-triazole are potent inhibitors of 11?-hydroxysteroid dehydrogenase Type 1 and are useful for the treatment of conditions associated with Metabolic Syndrome as well as cognitive impairment. The invention also relates to pharmaceutical compositions containing these novel salts, processes to prepare these salts and their pharmaceutical compositions as well as uses thereof for the treatment of Type 2 diabetes, hyperglycemia, obesity, dyslipidemia, hypertension, and cognitive impairment.
    Type: Application
    Filed: December 7, 2009
    Publication date: September 29, 2011
    Applicant: MERCK SHARP & DOHME CORP.
    Inventors: Joseph E. Lynch, Yuri Y. Bereznitski, Frederick T. Mattrey, John L. Leazer, JR., Russell R. Ferlita, Jinchu Liu, Jungjun Yin, Robert M. Wenslow, JR.
  • Patent number: 7700611
    Abstract: The present invention relates to a process for producing crystalline trans-N-[1-(2-fluorophenyl)-S-pyrazoly]-3-ox-ospiro[6-azaisobenzofuran-1(3H),1?-cyclohexane]-4?-carboxamide and novel salts, hydrates and polymorphs thereof.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: April 20, 2010
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Russell R. Ferlita, Yuji Haga, Makoto Ishikawa, Keisuke Kamei, Shinji Kato, Hisaki Kojima, Aaron Moment, Nobuaki Nonoyama, Nobuya Satake, Kazuki Shigemori, Toshihiro Wada, Yaling Wang, Steven A. Weissman, Robert M. Wenslow
  • Publication number: 20100041893
    Abstract: The present invention is directed to a practical process for the preparation of an enamide (II) by palladium catalyzed coupling of a primary amide (IV) with a compound of structural formula (III), as shown below: As well as to crystalline forms of a compound produced by this process, in particular, an anhydrous crystal form, Form B, and crystalline solvates falling into three patterns, Type 1, Type 2, and Type 3, and crystalline intermediate compounds produced in the process. Still further, the present invention relates to the stereoselective reduction of the tetrasubstituted enamide (II) to the corresponding amide (I).
    Type: Application
    Filed: October 22, 2009
    Publication date: February 18, 2010
    Inventors: KEVIN R. CAMPOS, Artis Klapars, J. Christopher McWilliams, C. Scott Shultz, Debra J. Wallace, Alex M. Chen, Lisa F. Frey, Andrey V. Peresypkin, Yaling Wang, Robert M. Wenslow, Cheng-Yi Chen
  • Patent number: 7629470
    Abstract: The present invention is directed to a practical process for the preparation of an enamide (II) by palladium catalyzed coupling of a primary amide (IV) with a compound of structural formula (III), as shown below: As well as to crystalline forms of a compound produced by this process, in particular, an anhydrous crystal form, Form B, and crystalline solvates falling into three patterns, Type 1, Type 2, and Type 3, and crystalline intermediate compounds produced in the process. Still further, the present invention relates to the stereoselective reduction of the tetrasubstituted enamide (II) to the corresponding amide (I).
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: December 8, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Kevin R. Campos, Artis Klapars, J. Christopher McWilliams, C. Scott Shultz, Debra J. Wallace, Alex M. Chen, Lisa F. Frey, Andrey V. Peresypkin, Yaling Wang, Robert M. Wenslow, Cheng-Yi Chen
  • Patent number: 7612072
    Abstract: The present invention relates to a novel amorphous form of the dihydrogenphosphate salt of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-?]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine of structural formula I as well as a process for its preparation, pharmaceutical compositions containing this novel form, and methods of use of the novel form and pharmaceutical compositions for the treatment of diabetes, obesity, and high blood pressure.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: November 3, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Russell R. Ferlita, Robert M. Wenslow
  • Publication number: 20090233967
    Abstract: The present invention relates to a process for producing N-{(1S)-1-[2-(1-{[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-5-chlorophenyl]ethyl}acetamide, and novel crystalline salts, hydrates, solvates, and polymorphic forms thereof.
    Type: Application
    Filed: June 23, 2006
    Publication date: September 17, 2009
    Inventors: Ralph Calabria, Yu Cheng, Russell R. Ferlita, Ashkan Kamali, Jerry A. Murry, David Mathre, Andrey V. Peresypkin, Karen Thompson, Jian Wang, Robert M. Wenslow
  • Publication number: 20090221592
    Abstract: The dodecylsulfate salt of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine is a potent inhibitor of dipeptidyl peptidase-IV and is useful for the treatment of Type 2 diabetes. The invention also relates to a crystalline anhydrate of the dodecylsulfate salt as well as a process for its preparation, pharmaceutical compositions containing this novel form and methods of use for the treatment of Type 2 diabetes, hyperglycemia, insulin resistance, and obesity.
    Type: Application
    Filed: July 21, 2006
    Publication date: September 3, 2009
    Inventors: Martha E. Ellison, Andrey V. Peresypkin, Robert M. Wenslow
  • Publication number: 20090131465
    Abstract: The present invention relates to a process for producing crystalline N-[1-((3R)-1?-{[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidine-3-yl]carbonyl}-6-chloro-5-methyl-2,3-dihydrospiro[indene-1,4?-piperidine]-3-yl)-1-methylethyl]acetamide, and novel salts, solvates, hydrates and polymorphs thereof.
    Type: Application
    Filed: October 27, 2008
    Publication date: May 21, 2009
    Inventors: Alex M. Chen, Jennifer R. Foley, John Limanto, Robert M. Wenslow, Karen C. Thompson, Andrey V. Peresypkin
  • Patent number: RE40794
    Abstract: A process for preparing a crystalline, carbapenem monosodium salt of formula IIa: characterized by the steps a) adding about 10 to 30% of an organic solvent to an aqueous solution of the carbapenem, b) cooling the resulting solution to less than ?5° C., c) adjusting the pH using a solution containing an acid in an organic solvent to give the appropriate pH for crystallization, and d) crystallizing the compound by adding methanol, and a C2-5 alcohol at between ?5 and ?25° C.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: June 23, 2009
    Assignee: Merck & Co., Inc.
    Inventors: Karel M. J. Brands, Raymond Cvetovich, Louis S. Crocker, Michael D. Ward, Amar J. Mahajan, Robert M. Wenslow, John M. Williams, Daniel R. Sidler, Charles Orella, Elizabeth S. Fisher, Ronald Jobson