Patents by Inventor Kyungjin Kim

Kyungjin Kim 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: 20090062276
    Abstract: The present invention comprises pyridopyrimidinediamine compounds of the general formula I: The compounds of the present invention are potent inhibitors of PTP1B. Accordingly, the invention also encompasses pharmaceutical compositions and methods of treating or preventing PTP-1B mediated diseases, including diabetes, obesity, and diabetes-related diseases.
    Type: Application
    Filed: October 28, 2008
    Publication date: March 5, 2009
    Inventors: Steven Joseph Berthel, Adrian Wai-Hing Cheung, Kyungjin Kim, Shiming Li, Kshitij Chhabilbhai Thakkar, Weiya Yun
  • Publication number: 20070270445
    Abstract: The invention relates to pyrimido[5,4-e][1,2,4]triazine-5,7-diamine compounds which are useful for inhibiting protein tyrosine phosphatases, particularly PTP1B, and are useful for lowering blood glucose concentrations in mammals.
    Type: Application
    Filed: June 27, 2007
    Publication date: November 22, 2007
    Inventors: Steven Berthel, Adrian Cheung, Kyungjin Kim, Kshitij Thakkar, Weiya Yun
  • Patent number: 7262297
    Abstract: The invention relates to pyrimido[5,4-e][1,2,4]triazine-5,7-diamine compounds which are useful for inhibiting protein tyrosine phosphatases, particularly PTP1B, and are useful for lowering blood glucose concentrations in mammals.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: August 28, 2007
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Steven Joseph Berthel, Adrian Wai-Hing Cheung, Kyungjin Kim, Kshitij Chhabilbhai Thakkar, Weiya Yun
  • Patent number: 7211576
    Abstract: Novel diaminothiazoles of formula (I): are discussed. These compounds selectively inhibit the activity of Cdk4 and are thus useful in the treatment or control of cancer, in particular, the treatment or control of solid tumors. This invention also provides pharmaceutical compositions containing such compounds and methods of treating or controlling cancer, most particularly, the treatment or control of breast, lung, colon, and prostate tumors.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: May 1, 2007
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Qingjie Ding, Nan Jiang, Kyungjin Kim, Allen John Lovey, Warren William McComas
  • Publication number: 20070078165
    Abstract: Provided herein are compounds of the formula (I): as well as pharmaceutically acceptable salts thereof, wherein the substituents are as those disclosed in the specification. These compounds, and the pharmaceutical compositions containing them, are useful for the treatment of obesity, hyperphagia, anxiety, depression and related disorders and diseases.
    Type: Application
    Filed: September 25, 2006
    Publication date: April 5, 2007
    Inventors: Steven Berthel, Shawn Erickson, Nader Fotouhi, Robert Kester, Kyungjin Kim, Steven Mischke, Yimin Qian, Kshitij Thakkar, Jefferson Tilley, Hong Wang
  • Publication number: 20070021445
    Abstract: The present invention comprises pyridopyrimidinediamine compounds of the general formula I: The compounds of the present invention are potent inhibitors of PTP1B. Accordingly, the invention also encompasses pharmaceutical compositions and methods of treating or preventing PTP-1B mediated diseases, including diabetes, obesity, and diabetes-related diseases.
    Type: Application
    Filed: July 18, 2006
    Publication date: January 25, 2007
    Inventors: Steven Berthel, Adrian Cheung, Kyungjin Kim, Shiming Li, Kshitij Thakkar, Weiya Yun
  • Patent number: 7105670
    Abstract: Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing these compounds as well as intermediates useful in the preparation of the compounds.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: September 12, 2006
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Qingjie Ding, Paul Gillespie, Kyungjin Kim, Warren William McComas, Agostino Perrotta
  • Patent number: 7094896
    Abstract: Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing these compounds as well as intermediates useful in the preparation of the compounds.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: August 22, 2006
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Qingjie Ding, Paul Gillespie, Kyungjin Kim, Warren William McComas, Agostino Perrotta
  • Patent number: 7060713
    Abstract: The present invention provides compounds having formula (II): wherein X, n, R1–R12 are defined herein, or a pharmaceutically acceptable salt thereof. The invention also provides a pharmaceutical composition comprising a therapeutically effective amount of a compound represented by formula (II) and a pharmaceutically acceptable carrier or excipient. The invention further provides a method for treating cancer comprising administering to a patient in need of such treatment a therapeutically effective amount of a compound represented by formula (II).
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: June 13, 2006
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kyungjin Kim, Emily Aijun Liu, Steven Gregory Mischke
  • Publication number: 20050239843
    Abstract: Novel diaminothiazoles of formula (I): are discussed. These compounds selectively inhibit the activity of Cdk4 and are thus useful in the treatment or control of cancer, in particular, the treatment or control of solid tumors. This invention also provides pharmaceutical compositions containing such compounds and methods of treating or controlling cancer, most particularly, the treatment or control of breast, lung, colon, and prostate tumors.
    Type: Application
    Filed: April 4, 2005
    Publication date: October 27, 2005
    Inventors: Qingjie Ding, Nan Jiang, Kyungjin Kim, Allen Lovey, Warren McComas
  • Publication number: 20050171157
    Abstract: The present invention provides compounds having formula (II): wherein X, n, R1-R12 are defined herein, or a pharmaceutically acceptable salt thereof. The invention also provides a pharmaceutical composition comprising a therapeutically effective amount of a compound represented by formula (II) and a pharmaceutically acceptable carrier or excipient. The invention further provides a method for treating cancer comprising administering to a patient in need of such treatment a therapeutically effective amount of a compound represented by formula (II).
    Type: Application
    Filed: March 18, 2005
    Publication date: August 4, 2005
    Inventors: Kyungjin Kim, Emily Liu, Steven Mischke
  • Patent number: 6916833
    Abstract: The present invention provides compounds having formula (I): and formula (II): wherein X, n, and R1-R12 are defined herein, or a pharmaceutically acceptable salt thereof. The invention also provides a pharmaceutical composition comprising a therapeutically effective amount of a compound represented by formula (I) or (II) and a pharmaceutically acceptable carrier or excipient. The invention further provides a method for treating cancer comprising administering to a patient in need of such treatment a therapeutically effective amount of a compound represented by formula (I) or (II).
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: July 12, 2005
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kyungjin Kim, Emily Aijun Liu, Steven Gregory Mischke
  • Publication number: 20040235872
    Abstract: The invention relates to pyrimido[5,4-e][1,2,4]triazine-5,7-diamine compounds which are useful for inhibiting protein tyrosine phosphatases, particularly PTP1B, and are useful for lowering blood glucose concentrations in mammals.
    Type: Application
    Filed: April 30, 2004
    Publication date: November 25, 2004
    Inventors: Steven Joseph Berthel, Adrian Wai-Hing Cheung, Kyungjin Kim, Kshitij Chhabilbhai Thakkar, Weiya Yun
  • Patent number: 6818663
    Abstract: The present invention is directed to novel diaminothiazoles of formula These compounds inhibit cyclin-dependent kinase 4 (Cdk4) and are selective against Cdk2 and Cdk1. These compounds and their pharmaceutically acceptable salts and esters have antiproliferative activity and are useful in the treatment or control of cancer, in particular solid tumors. This invention is also directed to pharmaceutical compositions containing such compounds and to methods of treating or controlling cancer, most particularly the treatment or control of breast, lung and colon and prostate tumors.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: November 16, 2004
    Assignee: Hoffmann-La Roches
    Inventors: Xin-Jie Chu, Qingjie Ding, Nan Jiang, Kyungjin Kim, Allen John Lovey, Warren William McComas, John Guifoyle Mullin, Jr., Jefferson Wright Tilley
  • Publication number: 20040180929
    Abstract: The present invention provides compounds having formula (I): 1
    Type: Application
    Filed: March 4, 2004
    Publication date: September 16, 2004
    Inventors: Kyungjin Kim, Emily Aijun Liu, Steven Gregory Mischke
  • Patent number: 6756374
    Abstract: Disclosed are novel diaminothiazoles of formula wherein R1, R2, R3, R4 and R5 are as herein disclosed. These compounds and their pharmaceutically acceptable salts and esters are selective inhibitors of Cdk4. As such, these compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing the compounds of formula I and their pharmaceutically acceptable salts and esters, as well as intermediates useful in the preparation of the compounds of formula I.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: June 29, 2004
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Li Chen, Qingjie Ding, Paul Gillespie, Kyungjin Kim, Allen John Lovey, Warren William McComas, John Guilfoyle Mullin, Jr., Agostino Perrotta
  • Publication number: 20040087594
    Abstract: Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing these compounds as well as intermediates useful in the preparation of the compounds.
    Type: Application
    Filed: October 9, 2003
    Publication date: May 6, 2004
    Inventors: Qingjie Ding, Paul Gillespie, Kyungjin Kim, Warren William McComas, Agostino Perrotta
  • Publication number: 20040082595
    Abstract: Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing these compounds as well as intermediates useful in the preparation of the compounds.
    Type: Application
    Filed: October 14, 2003
    Publication date: April 29, 2004
    Inventors: Qingjie Ding, Paul Gillespie, Kyungjin Kim, Warren William McComas, Agostino Perrotta
  • Publication number: 20040006058
    Abstract: The present invention is directed to novel diaminothiazoles of formula 1
    Type: Application
    Filed: May 5, 2003
    Publication date: January 8, 2004
    Inventors: Xin-Jie Chu, Qingjie Ding, Nan Jiang, Kyungjin Kim, Allen John Lovey, Warren William McComas, John Guilfoyle Mullin, Jefferson Wright Tilley
  • Publication number: 20020151554
    Abstract: Disclosed are novel diaminothiazoles that are selective inhibitors of Cdk4. These compounds and their pharmaceutically acceptable salts and esters are anti-proliferative agents useful in the treatment or control of solid tumors, in particular breast, colon, lung and prostate tumors. Also disclosed are pharmaceutical compositions containing these compounds as well as intermediates useful in the preparation of the compounds.
    Type: Application
    Filed: January 9, 2002
    Publication date: October 17, 2002
    Inventors: Li Chen, Qingjie Ding, Paul Gillespie, Kyungjin Kim, Allen John Lovey, Warren William McComas, John Guilfoye Mullin, Agostino Perrotta