Patents by Inventor Yongxin Han

Yongxin Han 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: 20140057836
    Abstract: The present invention relates to hepatitis C virus (HCV) NS3 protease inhibitors containing a spirocyclic moeity, uses of such compounds, and synthesis of such compounds.
    Type: Application
    Filed: August 6, 2013
    Publication date: February 27, 2014
    Inventors: Thomas BARA, Sathesh Bhat, Dipshika Biswas, Linda Brockunier, Duane Burnette, Samuel Chackalamannil, Mariappan Vasu Cheliah, Austin Chen, Martin Clasby, Vince J. Colandrea, Zhuyan Guo, Yongxin Han, Charles Jayne, Hubert Josien, Karen Marcantonio, Shouwu Miao, Santhosh Neelamkavil, Patrick Pinto, Murali Rajogopalan, Unmesh Shah, Francisco Velazquez, Srikanth Venkatraman, Yan Xia
  • Publication number: 20130317013
    Abstract: This invention relates to potent selective agonists of the EP4 subtype of prostaglandin E2 receptors, their use or a formulation thereof in the treatment of glaucoma and other conditions which are related to elevated intraocular pressure in the eye of a patient.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 28, 2013
    Inventors: Xavier Billot, Yongxin Han, Robert N. Young
  • Publication number: 20130281365
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: July 12, 2013
    Publication date: October 24, 2013
    Inventors: John COLUCCI, Marie-Claire WILSON, Yongxin HAN, Claude DUFRESNE, Michel BELLEY, Cheuk K. LAU, Christopher BAYLY
  • Patent number: 8481742
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: July 9, 2013
    Assignee: Kaneq Pharma Inc.
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Patent number: 8242115
    Abstract: Compounds that inhibit DNA-dependent protein kinase, compositions comprising the compounds, methods to inhibit the DNA-PK biological activity, methods to sensitize cells the agents that cause DNA lesions, and methods to potentiate cancer treatment are disclosed.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: August 14, 2012
    Assignee: Luitpold Pharmaceuticals, Inc.
    Inventors: James Halbrook, Edward A. Kesicki, Laurence E. Burgess, Stephen T. Schlachter, Charles T. Eary, Justin G. Schiro, Hongmei Huang, Michael Evans, Yongxin Han
  • Publication number: 20120202837
    Abstract: Renin inhibitors which are spirocyclic piperidine derivatives, of formula (I) and pharmaceutical compositions thereof useful in the treatment of cardiovascular diseases and renal insufficiency, or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable salt of the stereoisomer thereof, wherein: n, for each instance in which it occurs, is independently 0, 1, or 2; W is a five- or six-membered saturated or unsaturated heterocyclic or carbocyclic monocyclic ring, A is (i) a five- or six-membered saturated or unsaturated heterocyclic or carbocyclic monocyclic ring or (ii) a first five- or six-membered saturated or unsaturated heterocyclic or carbocyclic ring which is fused to a second five- or six-membered saturated or unsaturated heterocyclic or carbocyclic ring, V is —(C?O)—, —CH2— or ?CH—; U is a bond or —CH2-, or, when V iS ?CH—, U is —CH?; X is ?CH—, ?CF—, ?C(OR3)—, or —(C?O)—; and Y is ?CH—, ?CF—, ?N—, or, for the case when X is —(C?O)—, Y is —N(R3)—.
    Type: Application
    Filed: October 12, 2010
    Publication date: August 9, 2012
    Inventors: Austin Chen, Reneé Aspiotis, Daniel McKay, Yongxin Han, Pierre-André Fournier
  • Publication number: 20120190701
    Abstract: Renin inhibitors, which are spirocyclic piperidine amides, of structural formula (I) and pharmaceutical compositions thereof useful in the treatment of cardiovascular diseases and renal insufficiency. wherein n, for each instance in which it occurs, is independently 0, 1, or 2; R1 is hydrogen, C1-6-alkyl or C3-6-cycloalkyl, wherein said C1-6-alkyl or C3-6-cycloalkyl group can be independently substituted with 1-3 halogens; A is (i) a five- or six-membered saturated or unsaturated heterocyclic or carbocyclic monocyclic ring or (ii) a five- or six-membered saturated or unsaturated heterocyclic or carbocyclic ring which is fused to another five- or six-membered saturated or unsaturated heterocyclic or carbocyclic ring, V is a bond or —(C?O)—, —CH(OH)—, —CH2—or ?CH—; U is a bond or —CH2-, or for the case when V is ?CH—, U is —CH?; X is ?CH—, ?CF—, ?C(OR3)—, or —C?O—; and Y is ?CH—, ?CF—, ?N—, or for the case when X is —C?O—, Y is —N(R3)—.
    Type: Application
    Filed: August 17, 2010
    Publication date: July 26, 2012
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Austin Chih-Yu Chen, Sebastien Laliberte, Guillaume Larouche, Yongxin Han, Daniel McKay
  • Publication number: 20120178679
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: March 13, 2012
    Publication date: July 12, 2012
    Applicant: KANEQ PHARMA INC.
    Inventors: John COLUCCI, Marie-Claire WILSON, Yongxin HAN, Claude DUFRESNE, Michel BELLEY, Cheuk K. LAU, Christopher BAYLY
  • Patent number: 8168815
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: May 1, 2012
    Assignee: Kaneq Pharma Inc.
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Patent number: 8158671
    Abstract: The invention is directed to indole and indoline cyclopropyl amide derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, osteoarthritis, rheumatoid arthritis and cancer. Pharmaceutical compositions and methods of use are also included.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: April 17, 2012
    Assignee: Merck Canada Inc.
    Inventors: Michael Boyd, John Colucci, Yongxin Han
  • Publication number: 20120035214
    Abstract: The present invention relates to biaryl piperidine-based renin inhibitor compounds, and their use in treating cardiovascular events and renal insufficiency.
    Type: Application
    Filed: April 1, 2010
    Publication date: February 9, 2012
    Applicants: Merck Canada Inc., Merck Sharp & Dohme Corp.
    Inventors: Daniel J. McKay, Melissa Arbour, Renee Aspiotis, Austin Chen, Pierre-Andre Fournier, Michel Gallant, Yongxin Han, Helene Juteau, Patrick Lacombe, Sebastien Laliberte, Sophie Lauzon, Carmela Molinaro, Paul O'Shea, Yeeman Ramtohul, Daniel Simard, Dwight MacDonald, Bruce Mackay, Christophe Mellon, Krista Morley, Chit Tsui, Sarah Jennifer Dolman, Greg Hughes, Jacob Janey
  • Publication number: 20110275660
    Abstract: The invention is directed to ?-carboline sulphonylurea derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, inflammation, osteoarthritis, and rheumatoid arthritis. Pharmaceutical compositions and methods of use are also included.
    Type: Application
    Filed: September 22, 2009
    Publication date: November 10, 2011
    Inventors: Carl Berthelette, Michael Boyd, Jason Burch, Claude Dufresne, Julie Farand, Yongxin Han, Claudio F. Sturino
  • Publication number: 20110237511
    Abstract: This invention relates to potent selective agonists of the EP4 subtype of prostaglandin E2 receptors, their use or a formulation thereof in the treatment of glaucoma and other conditions, which are related to elevated intraocular pressure in the eye of a patient. This invention further relates to the use of the compounds of this invention for mediating the bone modeling and remodeling processes of the osteoblasts and osteoclasts.
    Type: Application
    Filed: June 3, 2011
    Publication date: September 29, 2011
    Applicant: Merck Frosst Canada
    Inventors: Xavier Billot, John Colucci, Yongxin Han, Marie-Claire Wilson, Robert N. Young
  • Patent number: 8013159
    Abstract: The invention is directed to quinoline derivatives as prostaglandin E type receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, osteoarthritis, rheumatoid arthritis and cancer. The derivatives have the following structure of formula (I): wherein A and B represents either a nitrogen atom or a CH group with the proviso that they cannot both simultaneously be CH, Q can represent a nitrogen or a carbon atom, and Y and Z are either a nitrogen atom, a N(O) group or a C(R5) group. Pharmaceutical compositions comprising the derivatives of formula (I) are also included.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: September 6, 2011
    Assignee: Merck Canada Inc.
    Inventors: Michel Belley, Jason Burch, John Colucci, Julie Farand, Mario Girard, Yongxin Han
  • Patent number: 8003661
    Abstract: The invention is directed to naphthalene and quinoline sulfonylurea derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, osteoarthritis, rheumatoid arthritis and cancer. Pharmaceutical compositions and methods of use are also included.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: August 23, 2011
    Assignee: Merck Canada Inc.
    Inventors: Jason Burch, Julie Farand, Yongxin Han, Claudio Sturino
  • Publication number: 20100168123
    Abstract: The present invention provides compounds, including resolved enantiomers, diastereomers, solvates and pharmaceutically acceptable salts thereof, comprising the Formula: A-L-CR where CR is a cyclical core group, L is a linking group and A is as defined herein. Also provided are methods of using the compounds of this invention as AKT protein kinase inhibitors and for the treatment of hyperproliferative diseases such as cancer.
    Type: Application
    Filed: September 25, 2009
    Publication date: July 1, 2010
    Inventors: Ian S. Mitchell, Keith L. Spencer, Peter Stengel, Yongxin Han, Nicholas C. Kallan, Mark Munson, Guy P.A. Vigers, James Blake, Anthony Piscopio, John Josey, Scott Miller, Dengming Xiao, Rui Xu, Chang Rao, Bing Wang, April L. Bernacki
  • Publication number: 20100152219
    Abstract: Compounds of formula (I): and their use in the inhibition of Trk activity are described.
    Type: Application
    Filed: February 25, 2010
    Publication date: June 17, 2010
    Applicant: ASTRAZENECA R&D
    Inventors: Michael Howard Block, John W. Lee, David Scott, Haixia Wang, Tao Wang, Dingwei Yu, Yongxin Han, John Anthony Josey, Bin Wang
  • Publication number: 20100105718
    Abstract: The invention is directed to naphthalene and quinoline sulfonylurea derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, osteoarthritis, rheumatoid arthritis and cancer. Pharmaceutical compositions and methods of use are also included.
    Type: Application
    Filed: March 25, 2008
    Publication date: April 29, 2010
    Applicant: MERCK FROSST CANADA LTD.
    Inventors: Jason Burch, Julie Farand, Yongxin Han, Claudio Sturino
  • Publication number: 20100022477
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: January 24, 2008
    Publication date: January 28, 2010
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Patent number: RE42562
    Abstract: This invention relates to potent selective agonists of the EP4 subtype of prostaglandin E2 receptors, their use or a formulation thereof in the treatment of glaucoma and other conditions, which are related to elevated intraocular pressure in the eye of a patient. This invention further relates to the use of the compounds of this invention for mediating the bone modeling and remodeling processes of the osteoblasts and osteoclasts.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: July 19, 2011
    Assignee: Merck Frosst Canada
    Inventors: Xavier Billot, John Colucci, Robert N. Young, Yongxin Han, Marie-Claire Wilson