Patents by Inventor Pingrong Liu

Pingrong Liu 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: 20220081437
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, and HET are as defined herein.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 17, 2022
    Inventors: Pingrong LIU, Craig Andrew MILLER, Maolin YU, Zhonghua ZHANG, Sabine RUPPEL, Anil K. PADAYANA
  • Patent number: 11130754
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, and HET are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: September 28, 2021
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pingrong Liu, Craig Andrew Miller, Maolin Yu, Zhonghua Zhang, Sabine Ruppel, Anil K. Padayana
  • Publication number: 20190048000
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, and HET are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventors: Pingrong LIU, Craig Andrew MILLER, Maolin YU, Zhonghua ZHANG, Sabine RUPPEL, Anil K. PADAYANA
  • Patent number: 10138222
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1—, R2—, X, Y, and HET are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: November 27, 2018
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Jianwen Cui, Donghong Amy Gao, Pingrong Liu, Bryan Patrick McKibben, Craig Andrew Miller, Hossein Razavi, Elizabeth Spencer, Sabine Ruppel, Anil K. Padyana
  • Patent number: 10138241
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, and HET are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: November 27, 2018
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pingrong Liu, Craig Andrew Miller, Maolin Yu, Zhonghua Zhang, Sabine Ruppel, Anil K. Padyana
  • Publication number: 20180072703
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, and HET are as defined herein.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 15, 2018
    Inventors: Jianwen CUI, Donghong Amy GAO, Pingrong LIU, Bryan Patrick McKIBBEN, Craig Andrew MILLER, Hossein RAZAVI, Elizabeth SPENCER
  • Publication number: 20180072717
    Abstract: The present invention relates to compounds of formula (I): or pharmaceutically acceptable salts thereof, wherein R1, R2, X, Y, and HET are as defined herein.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 15, 2018
    Inventors: Pingrong LIU, Craig Andrew MILLER, Maolin YU, Zhonghua ZHANG
  • Patent number: 8741897
    Abstract: Compounds of Formula (IA), (IB), (IC), and (ID) wherein R1, R2, R3, R4, R5, and R6 are as respectively defined herein for Formula (IA), (IB), (IC), and (ID), or a tautomer, prodrug, solvate, or salt thereof; pharmaceutical compositions containing such compounds, and methods of modulating the glucocorticoid receptor function and methods of treating disease-states or conditions mediated by the glucocorticoid receptor function or characterized by inflammatory, allergic, or proliferative processes in a patient using these compounds.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: June 3, 2014
    Assignee: Boehringer Ingelheim Pharmaceuticals Inc.
    Inventors: Younes Bekkali, Rajashekhar Betageri, Michel J. Emmanuel, Abdelhakim Hammach, Christian Hanke Justus Joachim Harcken, Thomas Martin Kirrane, Jr., Daniel Kuzmich, Thomas Wai-Ho Lee, Pingrong Liu, Usha R. Patel, John Robert Proudfoot, Hossein Razavi, Doris Riether, Hidenori Takahashi, David S. Thomson, Ji Wang, Renee Zindell
  • Patent number: 8546442
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are methods of making and methods of using same.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: October 1, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Rajashekhar Betageri, Brian Nicholas Cook, Darren DiSalvo, Christian Harcken, Daniel Kuzmich, Pingrong Liu, John Lord, Can Mao, Hossein Razavi
  • Patent number: 8338610
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are intermediates thereof, and methods of making and methods of using same.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: December 25, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Daniel Kuzmich, Pingrong Liu, Hossein Razavi
  • Publication number: 20120322790
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are methods of making and methods of using same.
    Type: Application
    Filed: December 16, 2011
    Publication date: December 20, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Rajashekhar BETAGERI, Brian Nicholas COOK, Darren DiSALVO, Christian HARCKEN, Daniel KUZMICH, Pingrong LIU, John LORD, Can MAO, Hossein RAZAVI
  • Patent number: 8293917
    Abstract: Disclosed are compounds of the formula (I) which block the interaction of CCR1 and its ligands and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Grant
    Filed: May 1, 2009
    Date of Patent: October 23, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Brian Nicholas Cook, Christian Harcken, Thomas Wei-Ho Lee, Pingrong Liu, Jord Lord, Can Mao, Wang Mao, Brian Christopher Raudenbush, Hossein Razavi, Christopher Ronald Sarko, Alen David Swinamer
  • Patent number: 8268859
    Abstract: Compounds of Formula (I) wherein R1, R2, X, and Y are as defined herein, or a tautomer, optical isomer, prodrug, co-crystal, or salt thereof; pharmaceutical compositions containing such compounds, and methods of modulating the glucocorticoid receptor function and methods of treating disease-states or conditions mediated by the glucocorticoid receptor function or characterized by inflammatory, allergic, or proliferative processes in a patient using these compounds.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: September 18, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Christian Harcken, Rajashekhar Betageri, Todd Bosanac, Michael Jason Burke, Soojin Kim, Daniel Kuzmich, Thomas Wai-ho Lee, Zhibin Li, Pingrong Liu, John Lord, Hossein Razavi, Jonathan Timothy Reeves, David Thomson
  • Publication number: 20120136158
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are intermediates thereof, and methods of making and methods of using same.
    Type: Application
    Filed: February 8, 2012
    Publication date: May 31, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Brian Nicholas COOK, Darren DiSALVO, Daniel Robert FANDRICK, Christian HARCKEN, Daniel KUZMICH, Thomas Wai-Ho LEE, Pingrong LIU, John LORD, Can MAO, Jochen NEU, Brian Christopher RAUDENBUSH, Hossein RAZAVI, Jonathan Timothy REEVES, Jinhua J. SONG, Alan David SWINAMER, Zhulin TAN
  • Publication number: 20120035370
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are intermediates thereof, and methods of making and methods of using same.
    Type: Application
    Filed: October 14, 2011
    Publication date: February 9, 2012
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Brian Nicholas COOK, Darren DiSALVO, Daniel Robert FANDRICK, Christian HARCKEN, Daniel KUZMICH, Thomas Wai-Ho LEE, Pingrong LIU, John LORD, Can MAO, Jochen NEU, Brian Christopher RAUDENBUSH, Hossein RAZAVI, Jonathan Timothy REEVES, Jinhua J. SONG, Alan David SWINAMER, Zhulin TAN
  • Patent number: 8063065
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are methods of making and methods of using same.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: November 22, 2011
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Brian Nicholas Cook, Darren Di Salvo, Christian Harcken, Daniel Kuzmich, Thomas Wai-Ho Lee, Pingrong Liu, John Lord, Can Mao, Jochen Neu, Brian Christopher Raudenbush, Hossein Razavi, Alan David Swinamer
  • Publication number: 20110230521
    Abstract: Disclosed are compounds of the formula (I) which block the interaction of CCR1 and its ligands and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.
    Type: Application
    Filed: May 1, 2009
    Publication date: September 22, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Brian Nicholas Cook, Christian Harcken, Thomas Wai-Ho Lee, Pingrong Liu, John Lord, CAN Mao, Wang Mao, Brain Christopher Raudenbush, Hossein Razavi, Christopher Ronald Sarko, Alan David Swinamer
  • Publication number: 20110086846
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are methods of making and methods of using same.
    Type: Application
    Filed: December 16, 2010
    Publication date: April 14, 2011
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Brian Nicholas COOK, Darren DiSALVO, Christian HARCKEN, Daniel KUZMICH, Thomas Wai-Ho LEE, Pingrong LIU, John LORD, Can MAO, Jochen NEU, Brian Christopher RAUDENBUSH, Hossein RAZAVI, Alan David SWINAMER
  • Patent number: 7879873
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are methods of making and methods of using same.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: February 1, 2011
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Brian Nicholas Cook, Darren DiSalvo, Daniel Robert Fandrick, Christian Harcken, Daniel Kuzmich, Thomas Wai-Ho Lee, Pingrong Liu, John Lord, Can Mao, Jochen Neu, Brian Christopher Raudenbush, Hossein Razavi, Jonathan Timothy Reeves, Jinhua J. Song, Alan David Swinamer, Zhulin Tan
  • Publication number: 20100093724
    Abstract: Disclosed are compounds of the formula (I), useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of CCR1 including autoimmune diseases, such as rheumatoid arthritis and multiple sclerosis. Also disclosed are methods of making and methods of using same.
    Type: Application
    Filed: September 22, 2009
    Publication date: April 15, 2010
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Brian Nicholas COOK, Darren DiSALVO, Daniel Robert FANDRICK, Christian HARCKEN, Daniel KUZMICH, Thomas Wai-Ho LEE, Pingrong LIU, John LORD, Can MAO, Jochen NEU, Brian Christopher RAUDENBUSH, Hossein RAZAVI, Jonathan Timothy REEVES, Jinhua J. SONG, Alan David SWINAMER, Zhulin TAN