Patents by Inventor Yansheng Zhai

Yansheng Zhai 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: 20180298026
    Abstract: Compounds of the formula I or II: wherein X, m, Ar, R1 and R2 are as defined herein. The subject compounds are useful for treatment of IRAK-mediated conditions.
    Type: Application
    Filed: June 18, 2018
    Publication date: October 18, 2018
    Inventors: Nidhl Arora, Shaoqing Chen, Johannes Cornelius Hermann, Andreas Kuglstatter, Sharada Shenvi Labadie, Ciara Jeou Jen Lin, Matthew C. Lucas, Amy Geraldine Moore, Eva Papp, Francisco Xavier Talamas, Jutta Wanner, Yansheng Zhai
  • Patent number: 10023589
    Abstract: Compounds of the formula I or II: wherein X, m, Ar, R1 and R2 are as defined herein. The subject compounds are useful for treatment of IRAK-mediated conditions.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: July 17, 2018
    Assignees: Hoffmann-La Roche Inc., Roche Palo Alto LLC
    Inventors: Nidhi Arora, Shaoqing Chen, Johannes Cornelius Hermann, Andreas Kuglstatter, Sharada Shenvi Labadie, Clara Jeou Jen Lin, Matthew C. Lucas, Amy Geraldine Moore, Eva Papp, Francisco Xavier Talamas, Jutta Wanner, Yansheng Zhai
  • Publication number: 20160207936
    Abstract: Compounds of the formula I or II: wherein X, m, Ar, R1 and R2 are as defined herein. The subject compounds are useful for treatment of IRAK-mediated conditions.
    Type: Application
    Filed: December 18, 2015
    Publication date: July 21, 2016
    Inventors: Nidhi Arora, Shaoqing Chen, Johannes Cornelius Hermann, Andreas Kuglstatter, Sharada Shenvi Labadie, Ciara Jeou Jen Lin, Matthew C. Lucas, Amy Geraldine Moore, Eva Papp, Francisco Xavier Talamas, Jutta Wanner, Yansheng Zhai
  • Patent number: 9255110
    Abstract: Compounds of the formula I or II: wherein X, m, Ar, R1 and R2 are as defined herein. The subject compounds are useful for treatment of IRAK-mediated conditions.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: February 9, 2016
    Assignees: ROCHE PALO ALTO LLC, HOFFMANN-LA ROCHE INC.
    Inventors: Nidhi Arora, Shaoqing Chen, Johannes Cornelius Hermann, Andreas Kuglstatter, Sharada Shenvi Labadie, Clara Jeou Jen Lin, Matthew C. Lucas, Amy Geraldine Moore, Eva Papp, Francisco Xavier Talamas, Jutta Wanner, Yansheng Zhai
  • Publication number: 20140303149
    Abstract: Compounds of the formula I or II: wherein X, m, Ar, R1 and R2 are as defined herein. The subject compounds are useful for treatment of IRAK-mediated conditions.
    Type: Application
    Filed: April 2, 2014
    Publication date: October 9, 2014
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Nidhi Arora, Shaoqing Chen, Johannes Cornelius Hermann, Andreas Kuglstatter, Sharada Shenvi Labadie, Clara Jeou Jen Lin, Matthew C. Lucas, Amy Geraldine Moore, Eva Papp, Francisco Xavier Talamas, Jutta Wanner, Yansheng Zhai
  • Publication number: 20120230951
    Abstract: The present invention provides compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Inventors: Muzaffar Alam, Steven Joseph Berthel, John A. Brinkman, Ronald Charles Hawley, Hongju Li, Wylie Solang Palmer, Sherrie Pietranico-Cole, Ramakanth Sarabu, Mark Smith, Sung-Sau So, Lin Yi, Yansheng Zhai, Qiang Zhang, Shu-Hai Zhao
  • Publication number: 20120015962
    Abstract: Compounds of the formula I or II: wherein X, m, Ar, R1 and R2 are as defined herein. The subject compounds are useful for treatment of IRAK-mediated conditions.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 19, 2012
    Inventors: Nidhi Arora, Shaoqing Chen, Johannes Cornelius Hermann, Adreas Kuglstatter, Sharada Shenvi Labadie, Clara Jeou Jen Lin, Matthew C. Lucas, Amy Geraldine Moore, Eva Papp, Francisco Xavier Talamas, Jutta Wanner, Yansheng Zhai
  • Patent number: 7491821
    Abstract: Compounds of formula 1 are modulators of P2X3 useful for the treatment of pain and genitourinary, gastrointestinal, and respiratory disorders: wherein R1 is —C(?S)CH3, pyridyl, pyrimidinyl, pyrazinyl, thiazolyl, furyl, furylcarbonyl, acetyl, or carbamoyl; R2a and R2b are independently H, methyl, or ethyl; R3 is H or methyl; Y is a bond, —(CR4R5)n— or —CR4?CR5—; wherein R4 and R5 are each independently H or methyl and n is 1 or 2; X is N or CH; A is phenyl, 5-membered heterocyclyl, or 6-membered heterocyclyl; R6, R7 and R8 are each independently H, halo, lower alkyl, cycloalkyl, alkylthio, alkylthio-lower alkyl, alkylsulfonyl-lower alkyl, di(lower alkyl)amino-lower alkyl, morpholinyl-lower alkyl, 4-methyl-piperazinyl-methyl, trifluoromethyl, pyridyl, tetrazolyl, thiophenyl, phenyl, biphenyl, or benzyl (where thiophenyl, phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoromethyl, lower alkoxy or lower alkylthio) or R6 and R7 together form a 5-membered or 6-membered carbocycl
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: February 17, 2009
    Assignee: Roche Palo Alto LLC
    Inventors: Christine E. Brotherton-Pleiss, Michael Patrick Dillon, Shelley K. Gleason, Clara Jeou Jen Lin, Ryan Craig Schoenfeld, Marzia Villa, Yansheng Zhai
  • Publication number: 20070037974
    Abstract: Compounds of formula 1 are modulators of P2X3 useful for the treatment of pain and genito-urinary, gastrointestinal, and respiratory disorders: wherein R1 is —C(?S)CH3, pyridyl, pyrimidinyl, pyrazinyl, thiazolyl, furyl, furylcarbonyl, acetyl, or carbamoyl; R2a and R2b are independently H, methyl, or ethyl; R3 is H or methyl; Y is a bond, —(CR4R5)n— or —CR4?CR5—; wherein R4 and R5 are each independently H or methyl and n is 1 or 2; X is N or CH; A is phenyl, 5-membered heterocyclyl, or 6-membered heterocyclyl; R6, R7 and R8 are each independently H, halo, lower alkyl, cycloalkyl, alkylthio, alkylthio-lower alkyl, alkylsulfonyl-lower alkyl, di(lower alkyl)amino-lower alkyl, morpholinyl-lower alkyl, 4-methyl-piperazinyl-methyl, trifluoromethyl, pyridyl, tetrazolyl, thiophenyl, phenyl, biphenyl, or benzyl (where thiophenyl, phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoromethyl, lower alkoxy or lower alkylthio) or R6 and R7 together form a 5-membered or 6-membered carboc
    Type: Application
    Filed: August 11, 2006
    Publication date: February 15, 2007
    Inventors: Christine Brotherton-Pleiss, Michael Dillon, Shelley Gleason, Clara Jen Lin, Ryan Schoenfeld, Marzia Villa, Yansheng Zhai
  • Patent number: 6979696
    Abstract: This invention relates to compounds which are alpha-1 receptor agonists, preferably alpha-1A/L receptor agonists, and which are represented by Formula I: wherein m, A, X, Y, R1, R2, R3, R4 and R5 are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and methods of preparation thereof.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: December 27, 2005
    Assignee: Roche Palo Alto LLC
    Inventors: Michael Patrick Dillon, Clara Jeou Jen Lin, Amy Geraldine Moore, Counde O'Yang, Yansheng Zhai
  • Publication number: 20040224973
    Abstract: This invention relates to compounds which are alpha-1 receptor agonists, preferably alpha-1A/L receptor agonists, and which are represented by Formula I: 1
    Type: Application
    Filed: May 7, 2004
    Publication date: November 11, 2004
    Inventors: Michael Patrick Dillon, Clara Jeou Jen Lin, Amy Geraldine Moore, Counde O'Yang, Yansheng Zhai
  • Publication number: 20040116685
    Abstract: This invention discloses an improved method for the sequential solution phase synthesis of oligonucleotides. The method lends itself to automation and is ideally suited for large scale manufacture of oligonucleotides with high efficiency.
    Type: Application
    Filed: July 17, 2001
    Publication date: June 17, 2004
    Applicant: Proligo LLC
    Inventors: Wolfgang Pieken, Danny McGee, Alecia Settle, Yansheng Zhai, Jianping Huang
  • Patent number: 6262251
    Abstract: This invention discloses an improved method for the sequential solution phase synthesis of oligonucleotides. The method lends itself to automation and is ideally suited for large scale manufacture of oligonucleotides with high efficiency.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: July 17, 2001
    Assignee: Proligo LLC
    Inventors: Wolfgang Pieken, Danny McGee, Alecia Settle, Yansheng Zhai, Jianping Huang
  • Patent number: 6090932
    Abstract: A method for the preparation of 2'-modified nucleosides is provided. The method comprises a novel intramolecular nucleophilic displacement reaction. Included in the invention are novel 2'-modified pyrimidines and purines prepared according to the method of the invention, novel pyrimidines and purines bearing a 2',3' heterocyclic substituent and oligonucleotides containing said 2'-modified pyrimidines and purines. The 2'-modified nucleosides are useful as anti-viral and anti-neoplastic agents.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: July 18, 2000
    Assignee: Proligo LLC
    Inventors: Danny P. McGee, Wolfgang A. Pieken, David P. Sebesta, Yansheng Zhai