Patents by Inventor Ruiyan Liu

Ruiyan 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).

  • Patent number: 8288371
    Abstract: Compounds of the formula are disclosed. The compounds are CCR1 antagonists which are useful for the treatment and prevention of inflammatory and autoimmune diseases. Other embodiments are also disclosed.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: October 16, 2012
    Assignee: Pharmacopeia, LLC
    Inventors: Vidyadhar M. Paradkar, Marc Brescia, Ray James, Jinqi Liu, Ruiyan Liu, James Robert Merritt, Michelle Morris, Michael J. Ohlmeyer, Chongwu Zhang, Rui Zhang
  • Patent number: 7985748
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: July 26, 2011
    Assignees: Pharmacopeia Drug Discovery, Inc., Scheeing Corporation
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Neng-Yang Shih, Robert G. Aslanian, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Purakkattle Biju, Chia-Yu Huang, Bo Liang, Ruiyan Liu, Rong-Qiang Liu, Lisa Guise-Zawacki
  • Publication number: 20100173823
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: March 12, 2010
    Publication date: July 8, 2010
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Neng-Yang Shih, Robert G. Aslanian, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Purakkattle Biju, Chia-Yu Huang, Bo Liang, Ruiyan Liu, Rong-Qiang Liu, Lisa Guise-Zawacki
  • Patent number: 7700592
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: April 20, 2010
    Assignee: Schering Corporation
    Inventors: Kevin D. McCormick, Christopher W. Boyce, Neng-Yang Shih, Chia-Yu Huang, Robert G. Aslanian, Salem Fevrier, Bo Liang, Rong-qiang Liu, Ruiyan Liu, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Lisa Guise-Zawacki, Junying Zheng
  • Publication number: 20090093472
    Abstract: Compounds of the formula are disclosed. The compounds are CCR1 antagonists which are useful for the treatment and prevention of inflammatory and autoimmune diseases. Other embodiments are also disclosed.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 9, 2009
    Applicant: PHARMACOPEIA, INC.
    Inventors: Vidyadhar M. Paradkar, Marc Brescia, Ray James, Jinqi Liu, Ruiyan Liu, James Robert Merritt, Michelle Morris, Michael J. Ohlmeyer, Chongwu Zhang, Rui Zhang
  • Publication number: 20080039439
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: February 13, 2007
    Publication date: February 14, 2008
    Inventors: Kevin McCormick, Christopher Boyce, Neng-Yang Shih, Chia-Yu Huang, Robert Aslanian, Salem Fevrier, Bo Liang, Rong-qiang Liu, Ruiyan Liu, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Lisa Guise-Zawacki, Junying Zheng
  • Publication number: 20070093477
    Abstract: In its many embodiments, the present invention relates to a novel class of phenylmorpholine and phenylthiomorpholine compounds useful as ?2C adrenergic receptor agonists, pharmaceutical compositions containing the compounds, and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with the ?2C adrenergic receptor agonists using such compounds or pharmaceutical compositions.
    Type: Application
    Filed: August 23, 2006
    Publication date: April 26, 2007
    Inventors: Kevin McCormick, Christopher Boyce, Neng-Yang Shih, Robert Aslanian, Pietro Mangiaracina, Manuel de Lera Ruiz, Younong Yu, Purakkattle Biju, Chia-Yu Huang, Bo Liang, Ruiyan Liu, Rong-Qiang Liu, Lisa Guise-Zawacki
  • Patent number: 6900213
    Abstract: The invention relates to bisaryl derivatives of the formula I, wherein (R,R) is selected from (H,H), O, (H,CH3), (H,OH) and (H,CN); Ar is substituted phenyl and A is a group of formula II, III, IV or V: An example is (3S,6S)-1-N-(7-phenylheptyl)-3-(4-(3,4,5-trimethoxyphenyl)benzyl)-4-N-methyl-6-methyl-2,5-dioxo-1,4-piperazine: The compounds of the invention have FSH receptor modulatory activity and can be used for the control of fertility, for contraception or for treatment of hormone-dependent disorders.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: May 31, 2005
    Assignee: Pharmacopeia Drug Discovery, Inc.
    Inventors: Tao Guo, Koc-Kan Ho, Edward McDonald, Roland Ellwood Dolle, Kurt W. Saionz, Steven G. Kultgen, Ruiyan Liu, Guizhen Dong, Peng Geng, Anton Egbert Peter Adang, Nicole Corine Renee Van Straten
  • Publication number: 20040152703
    Abstract: The invention relates to bisaryl derivatives of the formula I, 1
    Type: Application
    Filed: July 21, 2003
    Publication date: August 5, 2004
    Inventors: Tao Guo, Koc-Kan Ho, Edward McDonald, Roland Ellwood Dolle, Kurt W. Saionz, Steven G. Kultgen, Ruiyan Liu, Guizhen Dong, Peng Geng, Anton Egbert Peter Adang, Nicole Corine Renee Van Straten
  • Patent number: 6642417
    Abstract: A substrate for solid phase synthesis comprising a solid phase-linker combination of the formula I is disclosed. Also disclosed are processes for preparing the substrate and chemical intermediates useful therein. Among the novel intermediates are compounds of the formula II wherein R1 is —NO2 or —CHO; R2 is —OCH3, —CHO or —H; R3 is chosen from the group consisting of hydroxyl, the residue of a solid support having a plurality of amino groups, and the residue of an ester, and n=1 or 3-12. A substrate of solid phase synthesis of the formula III is also disclosed.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: November 4, 2003
    Assignee: Pharmacopeia Drug Discovery, Inc.
    Inventors: Vinh D. Tran, Vu Van Ma, Ruiyan Liu
  • Patent number: 6310244
    Abstract: A substrate for solid phase synthesis comprising a solid phase-linker combination of the formula I is disclosed. Also disclosed are processes for preparing the substrate and chemical intermediates useful therein. Among the novel intermediates are compounds of the formula II wherein R1 is —NO2 or —CHO; R2 is —OCH3, —CHO or —H; R3 is chosen from the group consisting of hydroxyl, the residue of a solid support having a plurality of amino groups, and the residue of an ester, and n=1 or 3. A substrate of solid phase synthesis of the formula III is also disclosed.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: October 30, 2001
    Assignee: Pharmacopeia, Inc.
    Inventors: Vinh D. Tran, Vu Van Ma, Ruiyan Liu
  • Publication number: 20010025084
    Abstract: A substrate for solid phase synthesis comprising a solid phase-linker combination of the formula I is disclosed. Also disclosed are processes for preparing the substrate and chemical intermediates useful therein. Among the novel intermediates are compounds of the formula II wherein R1 is —NO2 or —CHO; R2 is —OCH3, —CHO or —H; R3 is chosen from the group consisting of hydroxyl, the residue of a solid support having a plurality of amino groups, and the residue of an ester, and n=1 or 3-12.
    Type: Application
    Filed: January 22, 2001
    Publication date: September 27, 2001
    Inventors: Vinh D. Tran, Vu Van Ma, Ruiyan Liu