Patents by Inventor Kin-Chun Luk

Kin-Chun Luk 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: 8673905
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of said compounds and pharmaceutical compositions for the treatment, control or amelioration of AML.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: March 18, 2014
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kin-Chun Luk, Michael Soth
  • Patent number: 8362023
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of the compounds and pharmaceutical compositions for the treatment, control or amelioration of proliferative diseases, including cancer, Down syndrome or early onset Alzheimer's disease.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: January 29, 2013
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Wenjian Liu, Kin-Chun Luk, Xiaohu Zhang
  • Publication number: 20120238564
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of said compounds and pharmaceutical compositions for the treatment, control or amelioration of AML.
    Type: Application
    Filed: March 9, 2012
    Publication date: September 20, 2012
    Inventors: Kin-Chun Luk, Michael Soth
  • Publication number: 20120184542
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of said compounds and pharmaceutical compositions for the treatment, control or amelioration of proliferative diseases, including cancer, Down syndrome or early onset Alzheimer's disease.
    Type: Application
    Filed: January 12, 2012
    Publication date: July 19, 2012
    Inventors: Kevin Anderson, Yi Chen, Zhi Chen, Kin-Chun Luk, Pamela Loreen Rossman, Hongmao Sun, Peter Michael Wovkulich
  • Publication number: 20120184508
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of said compounds and pharmaceutical compositions for the treatment, control or amelioration of proliferative diseases, including cancer, Down syndrome or early onset Alzheimer's disease.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 19, 2012
    Inventors: Wenjian Liu, Kin-Chun Luk, Xiaohu Zhang
  • Publication number: 20120184548
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of said compounds and pharmaceutical compositions for the treatment, control or amelioration of proliferative diseases, including cancer.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 19, 2012
    Inventors: Romyr Dominique, Kin-Chun Luk, Qi Qiao, Pamela Loreen Rossman
  • Publication number: 20120184562
    Abstract: Compounds of formula and pharmaceutically acceptable salts thereof are described, as well as the pharmaceutical compositions containing said compounds and their pharmaceutically acceptable salts, and the use of said compounds and pharmaceutical compositions for the treatment, control or amelioration of proliferative diseases, including cancer, Down syndrome or early onset Alzheimer's disease.
    Type: Application
    Filed: January 12, 2012
    Publication date: July 19, 2012
    Inventor: Kin-Chun Luk
  • Patent number: 8044213
    Abstract: The invention is directed to compounds of formula (1) and pharmaceutically acceptable salts thereof, methods for the preparation thereof, and methods of use thereof.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: October 25, 2011
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Jianping Cai, Shaoqing Chen, Yi Chen, Xin-Jie Chu, Robert Alan Goodnow, Jr., Kang Le, Kin-Chun Luk, Steven Gregory Mischke, Peter Michael Wovkulich
  • Patent number: 8003785
    Abstract: The present invention provides PLK1 inhibitor compounds of formula I: useful in the treatment or control of cell proliferative disorders, particularly oncological disorders. These compounds and formulations containing such compounds may be useful in the treatment or control of solid tumors, such as, for example, breast, colon, lung and prostate tumors and other oncological diseases such as non-Hodgkin's lymphomas. Also provided are intermediate compounds useful in the synthesis of compounds of formula I.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: August 23, 2011
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Jianping Cai, Shaoqing Chen, Xin-Jie Chu, Kin-Chun Luk, Steven Gregory Mischke, Hongmao Sun, Peter Michael Wovkulich
  • Patent number: 7994321
    Abstract: There are provided compounds of the formula wherein R1, R2, R3, X, Y, Q, Ring A and Ring B are as described. The compounds exhibit activity as anticancer agents.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: August 9, 2011
    Assignee: Hoffmann-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Yi Chen, Xin-Jie Chu, Kin-Chun Luk
  • Patent number: 7968554
    Abstract: Disclosed are novel pyrazolo[3,4-d]pyrimidine derivatives that are inhibitors of Raf kinase. These compounds and their pharmaceutically-acceptable salts and esters are anti-proliferative agents useful in the treatment or control of proliferative disorders such as solid tumors, in particular breast tumor, colon tumor, lung tumor, prostate tumor, and melanoma. Also disclosed are a composition and a unit dose formulation comprising such a compound, or a pharmaceutically-acceptable salt or ester thereof, methods for making such compounds, and methods for using such compounds, or their pharmaceutically-acceptable salts or esters, in the treatment of proliferative disorders.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: June 28, 2011
    Assignee: Hoffman-La Roche Inc.
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Kin-Chun Luk
  • Patent number: 7932390
    Abstract: There are provided compounds of the formula wherein R1, R2, R3, X, ring A and ring B are as described. The compounds exhibit anticancer properties.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: April 26, 2011
    Assignee: Hoffman-La Roche Inc.
    Inventors: Yi Chen, Kin-Chun Luk, Pamela Loreen Rossman, Sung-Sau So
  • Publication number: 20110071147
    Abstract: Disclosed are novel 4-amino-thieno[3,2-c]pyridine-7-carboxylic acid amides, and their pharmaceutically acceptable salts and esters, that are selective inhibitors of KDR and/or FGFR kinases. These compounds and their pharmaceutically acceptable salts are anti-proliferative agents useful in the treatment or control of solid tumors, in particular solid cancerous tumors of the breast, colon, lung and prostate. Also disclosed are pharmaceutical compositions containing these compounds and methods of treating cancer using these compounds.
    Type: Application
    Filed: November 23, 2010
    Publication date: March 24, 2011
    Inventors: Kin-Chun Luk, Lee Apostle McDermott, Pamela Loreen Rossman, Peter Michael Wovkulich, Zhuming Zhang
  • Publication number: 20100160308
    Abstract: The invention is directed to compounds of formula (1) and pharmaceutically acceptable salts thereof, methods for the preparation thereof, and methods of use thereof.
    Type: Application
    Filed: December 10, 2009
    Publication date: June 24, 2010
    Inventors: Jianping Cai, Shaoqing Chen, Yi Chen, Xin-Jie Chu, Robert Alan Goodnow, JR., Kang Le, Kin-Chun Luk, Steven Gregory Mischke, Peter Michael Wovkulich
  • Publication number: 20090318408
    Abstract: The present invention provides PLK1 inhibitor compounds of formula I: useful in the treatment or control of cell proliferative disorders, particularly oncological disorders. These compounds and formulations containing such compounds may be useful in the treatment or control of solid tumors, such as, for example, breast, colon, lung and prostate tumors and other oncological diseases such as non-Hodgkin's lymphomas. Also provided are intermediate compounds useful in the synthesis of compounds of formula I.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 24, 2009
    Inventors: Jianping Cai, Shaoqing Chen, Xin-Jie Chu, Kin-Chun Luk, Steven Gregory Mischke, Hongmao Sun, Peter Michael Wovkulich
  • Patent number: 7576082
    Abstract: The invention describes compounds of the general formula I or the pharmaceutically acceptable salts thereof, wherein R1, R2, R3 and X are herein described, a process for their manufacture, medicaments containing them as well as the use of these compounds as pharmaceutically active agents. The compounds show activity as antiproliferative agents and may be especially useful for the treatment of cancer.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: August 18, 2009
    Assignee: Hoffman-La Roche Inc.
    Inventors: Kin-Chun Luk, Sung-Sau So, Jing Zhang, Zhuming Zhang
  • Patent number: 7524840
    Abstract: The present invention provides compounds of formula I wherein R1, R2, R3, R4, and R5are described herein. The invention also provides syntheses for preparation of such compounds and pharmaceutical compositions containing them. The invention further provides methods for inhibiting kinases, in particular CDK2, for inhibiting angiogenesis, and for treating cancers, in particular breast, colon, prostate, and lung cancer.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: April 28, 2009
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Jin-Jun Liu, Kin-Chun Luk, Giacomo Pizzolato, Yi Ren, Kshitij Chhabilbhai Thakkar, Peter Michael Wovkulich, Zhuming Zhang
  • Publication number: 20090048274
    Abstract: Disclosed are novel pyrazolo[3,4-d]pyrimidine derivatives that are inhibitors of Raf kinase. These compounds and their pharmaceutically-acceptable salts and esters are anti-proliferative agents useful in the treatment or control of proliferative disorders such as solid tumors, in particular breast tumor, colon tumor, lung tumor, prostate tumor, and melanoma. Also disclosed are a composition and a unit dose formulation comprising such a compound, or a pharmaceutically-acceptable salt or ester thereof, methods for making such compounds, and methods for using such compounds, or their pharmaceutically-acceptable salts or esters, in the treatment of proliferative disorders.
    Type: Application
    Filed: July 18, 2008
    Publication date: February 19, 2009
    Inventors: David Joseph Bartkovitz, Xin-Jie Chu, Kin-Chun Luk
  • Publication number: 20080045562
    Abstract: There are provided compounds of the formula wherein R1, R2, R3, X, Y, Q, Ring A and Ring B are as described. The compounds exhibit activity as anticancer agents.
    Type: Application
    Filed: July 20, 2007
    Publication date: February 21, 2008
    Inventors: David Joseph Bartkovitz, Yi Chen, Xin-Jie Chu, Kin-Chun Luk
  • Publication number: 20080009515
    Abstract: There are provided compounds of the formula wherein R1, R2, R3, X, ring A and ring B are as described. The compounds exhibit anticancer properties.
    Type: Application
    Filed: June 18, 2007
    Publication date: January 10, 2008
    Inventors: Yi Chen, Kin-Chun Luk, Pamela Loreen Rossman, Sung-Sau So