Patents by Inventor Robert S. Chao

Robert S. Chao 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: 20130289281
    Abstract: The invention provides a crystalline 1,2-ethanedisulfonic acid salt of biphenyl-2-ylcarbamic acid 1-[2-(2-chloro-4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethylamino]methyl}-5-methoxyphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also provides pharmaceutical compositions comprising such a salt or prepared using such a salt; processes and intermediates for preparing such a salt; and methods of using such a salt to treat a pulmonary disorder.
    Type: Application
    Filed: June 5, 2013
    Publication date: October 31, 2013
    Applicant: THERAVANCE, INC.
    Inventors: Robert S. Chao, Miroslav Rapta, Pierre-Jean Colson
  • Patent number: 8476299
    Abstract: The invention provides a crystalline 1,2-ethanedisulfonic acid salt of biphenyl-2-ylcarbamic acid 1-[2-(2-chloro-4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethylamino]methyl}-5-methoxyphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also provides pharmaceutical compositions comprising such a salt or prepared using such a salt; processes and intermediates for preparing such a salt; and methods of using such a salt to treat a pulmonary disorder.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: July 2, 2013
    Assignee: Theravance, Inc.
    Inventors: Robert S. Chao, Miroslav Rapta, Pierre-Jean Colson
  • Patent number: 8455530
    Abstract: The invention provides a crystalline freebase form of 4?-{2-ethoxy-4-ethyl-5-[((S)-2-mercapto-4-methylpentanoylamino)methyl]imidazol-1-ylmethyl}-3?-fluorobiphenyl-2-carboxylic acid. This invention also provides pharmaceutical compositions comprising the crystalline compound, processes and intermediates for preparing the crystalline compound, and methods of using the crystalline compound to treat diseases such as hypertension.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: June 4, 2013
    Assignee: Theravance, Inc.
    Inventors: Robert S. Chao, Weijiang Zhang
  • Publication number: 20130030185
    Abstract: The invention provides a crystalline hydrochloride salt of 4-[2-(2,4,6-trifluorophenoxymethyl)phenyl]piperidine. This invention also provides pharmaceutical compositions comprising the crystalline salt, processes and intermediates for preparing the crystalline salt, and methods of using the crystalline salt to treat diseases.
    Type: Application
    Filed: October 1, 2012
    Publication date: January 31, 2013
    Applicant: THERAVANCE, INC.
    Inventors: Lori Jean Patterson, Robert S. Chao, Miroslav Rapta
  • Publication number: 20120309805
    Abstract: The invention provides a crystalline freebase form of 4?-{2-ethoxy-4-ethyl-5-[((S)-2-mercapto-4-methylpentanoylamino)methyl]imidazol-1-ylmethyl}-3?-fluorobiphenyl-2-carboxylic acid. This invention also provides pharmaceutical compositions comprising the crystalline compound, processes and intermediates for preparing the crystalline compound, and methods of using the crystalline compound to treat diseases such as hypertension.
    Type: Application
    Filed: March 2, 2012
    Publication date: December 6, 2012
    Applicant: THERAVANCE, INC.
    Inventors: Robert S. Chao, Weijiang Zhang
  • Publication number: 20120283289
    Abstract: The invention provides a crystalline 1,2-ethanedisulfonic acid salt of biphenyl-2-ylcarbamic acid 1-[2-(2-chloro-4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethylamino]methyl}-5-methoxyphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also provides pharmaceutical compositions comprising such a salt or prepared using such a salt; processes and intermediates for preparing such a salt; and methods of using such a salt to treat a pulmonary disorder.
    Type: Application
    Filed: December 16, 2011
    Publication date: November 8, 2012
    Applicant: THERAVANCE, INC.
    Inventors: Robert S. Chao, Miroslav Rapta, Pierre-Jean Colson
  • Patent number: 8304433
    Abstract: The invention provides a crystalline hydrochloride salt of 4-[2-(2,4,6-trifluorophenoxymethyl)phenyl]piperidine. This invention also provides pharmaceutical compositions comprising the crystalline salt, processes and intermediates for preparing the crystalline salt, and methods of using the crystalline salt to treat diseases.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: November 6, 2012
    Assignee: Theravance, Inc.
    Inventors: Lori Jean Patterson, Robert S. Chao, Miroslav Rapta
  • Patent number: 8153675
    Abstract: The invention provides a crystalline freebase form of 4?-{2-ethoxy-4-ethyl-5-[((S) -2-mercapto-4-methylpentanoylamino)methyl]imidazol-1-ylmethyl}-3?-fluorobiphenyl-2 -carboxylic acid. This invention also provides pharmaceutical compositions comprising the crystalline compound, processes and intermediates for preparing the crystalline compound, and methods of using the crystalline compound to treat diseases such as hypertension.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: April 10, 2012
    Assignee: Theravance, Inc.
    Inventors: Robert S. Chao, Weijiang Zhang
  • Publication number: 20120083478
    Abstract: The invention relates to crystalline oxalate salts of biphenyl-2-ylcarbamic acid 1-(2-{[4-(4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethylamino]-methyl}phenylcarbamoyl)butyl]methylcarbamoyl}ethyl)piperidin-4-yl ester. This invention also relates to compositions containing such a crystalline oxalate salt; methods of using such a crystalline oxalate salt to, for example, treat a pulmonary disorder; and to processes for preparing such a crystalline oxalate salt.
    Type: Application
    Filed: September 29, 2011
    Publication date: April 5, 2012
    Applicant: THERAVANCE, INC.
    Inventors: Miroslav RAPTA, Venkat THALLADI, Robert S. CHAO
  • Patent number: 8101766
    Abstract: The invention provides a crystalline 1,2-ethanedisulfonic acid salt of biphenyl-2-ylcarbamic acid 1-[2-(2-chloro-4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethylamino]methyl}-5-methoxyphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also provides pharmaceutical compositions comprising such a salt or prepared using such a salt; processes and intermediates for preparing such a salt; and methods of using such a salt to treat a pulmonary disorder.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: January 24, 2012
    Assignee: Theravance, Inc.
    Inventors: Robert S. Chao, Miroslav Rapta, Pierre-Jean Colson
  • Publication number: 20110224272
    Abstract: The invention provides a crystalline freebase form of 4?-{2-ethoxy-4-ethyl-5-[((S)-2-mercapto-4-methylpentanoylamino)methyl]imidazol-1-ylmethyl}-3?-fluorobiphenyl-2-carboxylic acid. This invention also provides pharmaceutical compositions comprising the crystalline compound, processes and intermediates for preparing the crystalline compound, and methods of using the crystalline compound to treat diseases such as hypertension.
    Type: Application
    Filed: November 11, 2010
    Publication date: September 15, 2011
    Applicant: THERAVANCE, INC.
    Inventors: Robert S. Chao, Weijiang Zhang
  • Publication number: 20110086881
    Abstract: The invention relates to crystalline free base forms of biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(3-formylamino-4-hydroxyphenyl)-2-hydroxyethylamino]methyl}-2,5-dimethylphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also relates to pharmaceutical compositions containing or prepared from such crystalline forms; processes and intermediates useful for preparing such crystalline forms; and methods of using such crystalline forms to, for example, treat a pulmonary disorder.
    Type: Application
    Filed: December 16, 2010
    Publication date: April 14, 2011
    Applicant: THERAVANCE, INC.
    Inventors: Jennifer BOLTON, Robert S. CHAO, Miroslav RAPTA, Lisa WILLIAMS, Richard D. WILSON
  • Patent number: 7880010
    Abstract: The invention relates to crystalline free base forms of biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(3-formylamino-4-hydroxyphenyl)-2-hydroxyethylamino]methyl}-2,5-dimethylphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also relates to pharmaceutical compositions containing or prepared from such crystalline forms; processes and intermediates useful for preparing such crystalline forms; and methods of using such crystalline forms to, for example, treat a pulmonary disorder.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: February 1, 2011
    Assignee: Theravance, Inc.
    Inventors: Jennifer Bolton, Robert S. Chao, Miroslav Rapta, Lisa Williams, Richard D. Wilson
  • Patent number: 7855221
    Abstract: The invention provides a crystalline freebase form of 4?-{2-ethoxy-4-ethyl-5-[((S)-2-mercapto-4-methylpentanoylamino)methyl]imidazol-1-ylmethyl}-3?-fluorobiphenyl-2-carboxylic acid. This invention also provides pharmaceutical compositions comprising the crystalline compound, processes and intermediates for preparing the crystalline compound, and methods of using the crystalline compound to treat diseases such as hypertension.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: December 21, 2010
    Assignee: Theravance, Inc.
    Inventors: Robert S. Chao, Weijiang Zhang
  • Publication number: 20100197728
    Abstract: The invention provides a crystalline hydrochloride salt of 1-isopropyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid {(1S,3R,5R)-8-[(R)-2-hydroxy-3-(methanesulfonyl-methyl-amino)propyl]-8-azabicyclo[3.2.1]oct-3-yl}amide or a solvate thereof. The invention also provides pharmaceutical compositions comprising such crystalline salt forms, methods of using such crystalline salt forms to treat diseases associated with 5-HT4 receptor activity, and processes useful for preparing such crystalline salt forms.
    Type: Application
    Filed: April 13, 2010
    Publication date: August 5, 2010
    Applicant: THERAVANCE, INC.
    Inventors: Paul R. Fatheree, S. Derek Turner, Adam A. Goldblum, Robert S. Chao, Daniel Genov
  • Patent number: 7728004
    Abstract: The invention provides a crystalline hydrochloride salt of 1-isopropyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid {(1S,3R,5R)-8-[(R)-2-hydroxy-3-(methanesulfonyl-methyl-amino)propyl]-8-azabicyclo[3.2.1]oct-3-yl}amide or a solvate thereof. The invention also provides pharmaceutical compositions comprising such crystalline salt forms, methods of using such crystalline salt forms to treat diseases associated with 5-HT4 receptor activity, and processes useful for preparing such crystalline salt forms.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: June 1, 2010
    Assignee: Theravance, Inc.
    Inventors: Paul R. Fatheree, S. Derek Turner, Adam A. Goldblum, Robert S. Chao, Daniel Genov
  • Publication number: 20100125093
    Abstract: The invention provides a crystalline hydrochloride salt of 4-[2-(2,4,6-trifluorophenoxymethyl)phenyl]piperidine. This invention also provides pharmaceutical compositions comprising the crystalline salt, processes and intermediates for preparing the crystalline salt, and methods of using the crystalline salt to treat diseases.
    Type: Application
    Filed: November 13, 2009
    Publication date: May 20, 2010
    Inventors: Lori Jean Patterson, Robert S. Chao, Miroslav Rapta
  • Publication number: 20100081697
    Abstract: The invention provides a crystalline freebase form of 4?-{2-ethoxy-4-ethyl-5-[((S)-2-mercapto-4-methylpentanoylamino)methyl]imidazol-1-ylmethyl}-3?-fluorobiphenyl-2-carboxylic acid. This invention also provides pharmaceutical compositions comprising the crystalline compound, processes and intermediates for preparing the crystalline compound, and methods of using the crystalline compound to treat diseases such as hypertension.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 1, 2010
    Inventors: Robert S. Chao, Weijiang Zhang
  • Publication number: 20090221638
    Abstract: The invention provides a crystalline 1,2-ethanedisulfonic acid salt of biphenyl-2-ylcarbamic acid 1-[2-(2-chloro-4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5 -yl)ethylamino]methyl}-5-methoxyphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also provides pharmaceutical compositions comprising such a salt or prepared using such a salt; processes and intermediates for preparing such a salt; and methods of using such a salt to treat a pulmonary disorder.
    Type: Application
    Filed: February 11, 2009
    Publication date: September 3, 2009
    Inventors: Robert S. Chao, Miroslav Rapta, Pierre-Jean Colson
  • Patent number: 7521558
    Abstract: The invention provides a crystalline 1,2-ethanedisulfonic acid salt of biphenyl-2-ylcarbamic acid 1-[2-(2-chloro-4-{[(R)-2-hydroxy-2-(8-hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)ethylamino]methyl}-5-methoxyphenylcarbamoyl)ethyl]piperidin-4-yl ester or a solvate thereof. This invention also provides pharmaceutical compositions comprising such a salt or prepared using such a salt; processes and intermediates for preparing such a salt; and methods of using such a salt to treat a pulmonary disorder.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: April 21, 2009
    Assignee: Theravance, Inc.
    Inventors: Robert S. Chao, Miroslav Rapta, Pierre-Jean Colson