Patents by Inventor Zheng-Yu Yang

Zheng-Yu Yang 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: 8513186
    Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: August 20, 2013
    Assignee: Gilead Sciences, Inc.
    Inventors: Jeromy J. Cottell, John O. Link, Scott D. Schroeder, James Taylor, Winston C. Tse, Randall W. Vivian, Zheng-Yu Yang
  • Patent number: 8268802
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4, —OC(R3b)OR4, —OC(R3b)(N(R4)(R4)), —SC(R3b)R4, —SC(R3b)OR4, —SC(R3b)(
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: September 18, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Xiaoqin Cheng, Gary P. Cook, Manoj C. Desai, Edward Doerffler, Gong-Xin He, Choung U. Kim, William A. Lee, John C. Rohloff, Jianying Wang, Zheng-Yu Yang
  • Patent number: 8088754
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: January 3, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Xiaoqin Cheng, Gary P. Cook, Gong-Xin He, Choung U. Kim, John C. Rohloff, Jianying Wang, Zheng-Yu Yang
  • Patent number: 7998950
    Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: August 16, 2011
    Assignee: Gilead Sciences, Inc.
    Inventors: Evangelos Aktoudianakis, Azim Alan Celebi, Zhimin Du, Salman Y. Jabri, Haolun Jin, Choung U. Kim, Jiayao Li, Samuel E. Metobo, Michael R. Mish, Barton W. Phillips, Joseph H. Saugier, Zheng-Yu Yang, Catalin Sebastian Zonte
  • Patent number: 7837901
    Abstract: There are provided electrically conducting polymer compositions comprising an electrically conductive polymer or copolymer and an organic solvent wettable fluorinated acid polymer. Electrically conductive polymer materials are derived from thiophene, pyrrole, aniline and polycyclic heteroaromatic precursor monomers. Non-conductive polymers derived from alkenyl, alkynyl, arylene, and heteroarylene precursor monomers. The organic-solvent wettable fluorinated acid polymer is fluorinated or highly fluorinated and may be colloid-forming. Acidic groups include carboxylic acid groups, sulfonic acid groups, sulfonimide groups, phosphoric acid groups, phosphonic acid groups, and combinations thereof. The compositions can be used in organic electronic devices.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: November 23, 2010
    Assignees: E. I. du Pont de Nemours and Company, DuPont Displays Inc
    Inventors: Che-Hsiung Hsu, Christopher P. Junk, Frank P. Uckert, Mark F. Teasley, Andrew Edward Feiging, Charles J. Dubois, Natalie Daoud, Viascheslav A. Petrov, Zheng-Yu Yang, Amy Qi Han, legal representative
  • Patent number: 7723380
    Abstract: The invention is related to compounds of Formula I: or a pharmaceutically acceptable salt, solvate, ester, and/or phosphonate thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: May 25, 2010
    Assignee: Gilead Sciences, Inc.
    Inventors: Carina E. Cannizzaro, James M. Chen, Manoj C. Desai, Michael L. Mitchell, Sundaramoorthi Swaminathan, Lianhong Xu, Zheng-Yu Yang
  • Publication number: 20100022508
    Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Application
    Filed: July 24, 2009
    Publication date: January 28, 2010
    Applicant: Gilead Sciences, Inc.
    Inventors: Evangelos Aktoudianakis, Azim Alan Celebi, Zhimin Du, Salman Y. Jabri, Haolun Jin, Choung U. Kim, Jiayao Li, Samuel E. Metobo, Michael R. Mish, Barton W. Phillips, Joseph H. Saugier, Zheng-Yu Yang, Catalin Sebastian Zonte
  • Patent number: 7649015
    Abstract: Phosphonate substituted compounds with HIV protease inhibitory properties having use as therapeutics and for other industrial purposes are disclosed. The compositions inhibit HIV protease activity and/or are useful therapeutically for the treatment of AIDS and other antiviral infections, as well as in assays for the detection of HIV protease.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: January 19, 2010
    Assignee: Gilead Sciences, Inc.
    Inventors: Murty N. Arimili, Xiaowu Chen, Maria Fardis, Gong-Xin He, Haolun Jin, Choung U. Kim, William A. Lee, Kuei-Ying Lin, Hongtao Liu, Richard L. Mackman, Michael L. Mitchell, Hyung-Jung Pyun, Mark Sparacino, Sundaramoorthi Swaminathan, Jianying Wang, Matthew A. Williams, Lianhong Xu, Zheng-Yu Yang, Richard H. Yu, Jiancun Zhang, Lijun Zhang
  • Publication number: 20090306112
    Abstract: The invention is related to compounds of Formula I or a pharmaceutically acceptable salt, solvate, ester, and/or phosphonate thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.
    Type: Application
    Filed: July 19, 2007
    Publication date: December 10, 2009
    Applicant: Gilead Sciences, Inc.
    Inventors: Carina E. Cannizzaro, James M. Chen, Manoj C. Desai, Michael L. Mitchell, Sundaramoorthi Swaminathan, Lianhong Xu, Zheng-Yu Yang
  • Publication number: 20090291922
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4, —OC(R3b)OR4, —OC(R3b)(N(R4)(R4)), —SC(R3b)R4, —SC(R3b)OR4, —SC(R3b)(
    Type: Application
    Filed: May 5, 2009
    Publication date: November 26, 2009
    Applicant: Gilead Sciences, Inc.
    Inventors: Xiaoqin Cheng, Gary P. Cook, Manoj C. Desai, Edward Doerffler, Gong-Xin He, Choung U. Kim, William A. Lee, John C. Rohloff, Jianying Wang, Zheng-Yu Yang
  • Publication number: 20090186869
    Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
    Type: Application
    Filed: June 26, 2008
    Publication date: July 23, 2009
    Applicant: Gilead Sciences, Inc.
    Inventors: Jeromy J. Cottell, John O. Link, Scott D. Schroeder, James Taylor, Winston C. Tse, Randall W. Vivian, Zheng-Yu Yang
  • Patent number: 7553825
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX) (RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4) (R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4, —OC(R3b)OR4, —OC(R3b)(N(R4)(R4)), —SC(R3b)R4, —SC(R3b)OR4, SC(R3b)
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: June 30, 2009
    Assignee: Gilead Sciences, Inc.
    Inventors: Xiaoqin Cheng, Gary P. Cook, Manoj C. Desai, Edward Doerffler, Gong-Xin He, Choung U. Kim, William A. Lee, John C. Rohloff, Jianying Wang, Zheng-Yu Yang
  • Publication number: 20090149400
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4, —OC(R3b)OR4, —OC(R3b)(N(R4)(R4)), —SC(R3b)R4, —SC(R3b)OR4, —SC(R3b)(
    Type: Application
    Filed: February 18, 2009
    Publication date: June 11, 2009
    Applicant: Gilead Sciences, Inc.
    Inventors: Xiaoqin Cheng, Gary P. Cook, Manoj C. Desai, Edward Doerffler, Gong-Xin He, Choung U. Kim, William A. Lee, John C. Rohloff, Jianying Wang, Zheng-yu Yang
  • Publication number: 20090105279
    Abstract: The invention is related to compounds of Formula I: or a pharmaceutically acceptable salt, solvate, ester, and/or phosphonate thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.
    Type: Application
    Filed: July 19, 2007
    Publication date: April 23, 2009
    Inventors: Carina E. Cannizzaro, James M. Chen, Manoj C. Desai, Michael L. Mitchell, Sundaramoorthi Swaminathan, Lianhong Xu, Zheng-Yu Yang
  • Publication number: 20070010489
    Abstract: Phosphonate substituted compounds with HIV protease inhibitory properties having use as therapeutics and for other industrial purposes are disclosed. The compositions inhibit 5 HIV protease activity and/or are useful therapeutically for the treatment of AIDS and other antiviral infections, as well as in assays for the detection of HIV protease.
    Type: Application
    Filed: April 25, 2003
    Publication date: January 11, 2007
    Inventors: Murty Arimilli, Mark Becker, Clifford Bryant, James Chen, Xiaowu Chen, Azar Dastgah, Maria Fardis, Gong-Xin He, Haolun Jin, Choung Kim, William Lee, Christopher Lee, Kuei-Ying Lin, Hongtao Liu, Richard Mackman, Michael Mitchell, Peter Nelson, Hyung-Jung Pyun, Tanisha Rowe, Mark Sparacino, Sundaramoorthi Swaminathan, James Tario, Jianying Wang, Matthew Wiliams, Lianhong Xu, Zheng-Yu Yang, Richard Yu, Jiancun Zhang, Lijun Zhang
  • Publication number: 20060030545
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 is RX; RX2 is alkenyl of 2 to 18 carbon atoms or alkynyl of 2 to 18 carbon atoms; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4,
    Type: Application
    Filed: June 29, 2005
    Publication date: February 9, 2006
    Inventors: Xiaoqin Cheng, Gary Cook, Manoj Desai, Edward Doerffler, Gong-Xin He, Choung Kim, William Lee, John Rohloff, Jianying Wang, Zheng-Yu Yang
  • Publication number: 20050239054
    Abstract: Methods are provided for identifying anti-HIV therapeutic compounds substituted with carboxyl ester or phosphonate ester groups. Libraries of such compounds are screened optionally using the novel enzyme GS-7340 Ester Hydrolase. Compositions and methods relating to GS-7340 Ester Hydrolase also are provided.
    Type: Application
    Filed: December 22, 2003
    Publication date: October 27, 2005
    Inventors: Murty Arimilli, Mark Becker, Gabriel Birkus, Clifford Bryant, James Chen, Xiaowu Chen, Tomas Cihlar, Azar Dastgah, Eugene Eisenberg, Maria Fardis, Marcos Hatada, Gong-Xin He, Haolun Jin, Choung Kim, William Lee, Christopher Lee, Kuei-Ying Lin, Hongtao Liu, Richard MacKman, Martin McDermott, Michael Mitchell, Peter Nelson, Hyung-Jung Pyun, Tanisha Rowe, Mark Sparacino, Sundaramoorthi Swaminathan, James Tario, Jianying Wang, Matthew Williams, Lianhong Xu, Zheng-Yu Yang, Richard Yu, Jiancun Zhang, Lijun Zhang
  • Publication number: 20050222090
    Abstract: Compounds and compositions of Formula I are described, useful as anti-proliferative agents, and in particular anti-HPV, wherein: Y1A and Y1B are independently Y1; RX1 and RX2 are independently RX; Y1 is ?O, —O(RX), ?S, —N(RX), —N(O)(RX), —N(ORX), —N(O)(ORX), or —N(N(RX)(RX)); RX is independently R1, R2, R4, W3, or a protecting group; R1 is independently —H or alkyl of 1 to 18 carbon atoms; R2 is independently R3 or R4 wherein each R4 is independently substituted with 0 to 3 R3 groups or taken together at a carbon atom, two R2 groups form a ring of 3 to 8 carbons and the ring may be substituted with 0 to 3 R3 groups; R3 is R3a, R3b, R3c or R3d, provided that when R3 is bound to a heteroatom, then R3 is R3c or R3d; R3a is —H, —F, —Cl, —Br, —I, —CF3, —CN, N3, —NO2, or —OR4; R3b is ?O, —O(R4), ?S, —N(R4), —N(O)(R4), —N(OR4), —N(O)(OR4), or —N(N(R4)(R4)); R3c is —R4, —N(R4)(R4), —SR4, —S(O)R4, —S(O)2R4, —S(O)(OR4), —S(O)2(OR4), —OC(R3b)R4, —OC(R3b)OR4, —OC(R3b)(N(R4)(R4)), —SC(R3b)R4, —SC(R3b)OR4,
    Type: Application
    Filed: December 29, 2004
    Publication date: October 6, 2005
    Inventors: Xiaqin Cheng, Gary Cook, Manoj Desai, Edward Doerffler, Gong-Xin He, Choung Kim, William Lee, John Rohloff, Jianying Wang, Zheng-Yu Yang
  • Publication number: 20050209197
    Abstract: Phosphonate substituted compounds with HIV protease inhibitory properties having use as therapeutics and for other industrial purposes are disclosed. The compositions inhibit HIV protease activity and/or are useful therapeutically for the treatment of AIDS and other antiviral infections, as well as in assays for the detection of HIV protease.
    Type: Application
    Filed: April 25, 2003
    Publication date: September 22, 2005
    Inventors: Murty Arimilli, Mark Becker, Clifford Bryant, James Chen, Xiaowu Chen, Azar Dastgah, Maria Fardis, Gong-Xin He, Haolun Jin, Choung Kim, William Lee, Christopher Lee, Kuei-Ying Lin, Hongtao Liu, Richard Mackman, Michael Mitchell, Peter Nelson, Hyung-Jung Pyun, Tanisha Rowe, Mark Sparacino, Sundaramoorthi Swaminathan, James Tario, Jianying Wang, Matthew Williams, Lianhong Xu, Zheng-Yu Yang, Richard Yu, Jiancun Zhang, Lijun Zhang
  • Publication number: 20050171138
    Abstract: Compounds are described having a structure according to Formula I or Formula II: wherein: X is selected from the group consisting of O, NH, and S; Y is selected from the group consisting of O and S; m is from 1 to 3; n is from 1 to 5; R1 and R3 are each independently selected from the group consisting of H, hydroxy, lower alkyl, lower alkoxy, halo, amino, aminoalkyl, nitro, heteroaryl, —OC(?O)R6, —O(C?O)OR6; and —O(C?O)N(R6)2; and R2 is side chain such as an acetic acid side chain, where p is O to 4, R5 is hydroxy, alkoxy or amino, and R6 is H or lower alkyl, or a pharmaceutically acceptable salt thereof. The compounds are useful for the treatment of cancer.
    Type: Application
    Filed: March 28, 2005
    Publication date: August 4, 2005
    Inventors: Kuo-Hsiung Lee, Yi Xia, Zheng-Yu Yang, Kenneth Bastow, Sheng-Chu Kuo