Patents by Inventor James Kempson

James Kempson 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).

  • SUBSTITUTED HETEROCYCLIC COMPOUNDS
    Publication number: 20220411384
    Abstract: There are disclosed compounds of the following formula I: or a stereoisomer or pharmaceutically acceptable salt thereof, wherein all substituents are as defined herein, which are useful in the modulation of IL-12, IL-23 and/or IFN?, by acting on Tyk-2 to cause signal transduction inhibition. The compounds of the invention may be useful for treating neurodegenerative diseases or disorders.
    Type: Application
    Filed: May 13, 2022
    Publication date: December 29, 2022
    Inventors: Steven H. Spergel, Ryan M. Moslin, Michael Edward Mertzman, Joseph A. Tino, Shoshana L. Posy, Sirish Kaushik Lakkaraju, Zili Xiao, James Kempson
  • Pyrrolopyridazine JAK3 inhibitors and their use for the treatment of inflammatory and autoimmune diseases
    Patent number: 9221826
    Abstract: Disclosed are compounds of formula (I) and pharmaceutically acceptable salts thereof. The compounds of formula (I) inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: December 29, 2015
    Assignee: Bristol-Myers Squibb Company
    Inventors: Stephen T. Wrobleski, Jagabandhu Das, Lidia M. Doweyko, Junqing Guo, John Hynes, Bin Jiang, James Kempson, Shuqun Lin, Steven H. Spergel, John S. Tokarski, Hong Wu, Bingwei Vera Yang
  • Pyrrolopyridazine JAK3 inhibitors and their use for the treatment of inflammatory and autoimmune diseases
    Patent number: 8987268
    Abstract: The present invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: March 24, 2015
    Assignee: Bristol-Myers Squibb Company
    Inventors: Stephen T. Wrobleski, Jagabandhu Das, Jingwu Duan, Junqing Guo, John Hynes, Bin Jiang, James Kempson, Shuqun Lin, Zhonghui Lu, William J. Pitts, Steven H. Spergel, Hong Wu, Bingwei Vera Yang
  • Pyrrolopyridazine JAK3 inhibitors and their use for the treatment of inflammatory and autoimmune diseases
    Patent number: 8921368
    Abstract: Disclosed are compounds of Formula (I), and pharmaceutically acceptable salts thereof. The compounds of formula (I) inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: December 30, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: Stephen T. Wrobleski, Gregory D. Brown, Lidia M. Doweyko, Jingwu Duan, Junqing Guo, John Hynes, Bin Jiang, James Kempson, Shuqun Lin, Zhonghui Lu, Steven H. Spergel, John S. Tokarski, Hong Wu, Bingwei Vera Yang
  • PYRROLOPYRIDAZINE JAK3 INHIBITORS AND THEIR USE FOR THE TREATMENT OF INFLAMMATORY AND AUTOIMMUNE DISEASES
    Publication number: 20140011800
    Abstract: The present invention provides compounds of formula I and pharmaceutically acceptable salts thereof. The formula I compounds inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
    Type: Application
    Filed: March 16, 2012
    Publication date: January 9, 2014
    Inventors: Stephen T. Wrobleski, Jagabandhu Das, JIngwu Duan, Junqing Guo, John Hynes, Bin Jiang, James Kempson, Shuqun Lin, Zhonghui Lu, William J. Pitts, Steven H. Spergel, Hong Hu, Bingwei Vera Yang
  • PYRROLOPYRIDAZINE JAK3 INHIBITORS AND THEIR USE FOR THE TREATMENT OF INFLAMMATORY AND AUTOIMMUNE DISEASES
    Publication number: 20140011795
    Abstract: Disclosed are compounds of Formula (I), and pharmaceutically acceptable salts thereof. The compounds of formula (I) inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
    Type: Application
    Filed: March 16, 2012
    Publication date: January 9, 2014
    Inventors: Stephen T. Wrobleski, Gregory D. Brown, Lidia M. Doweyko, Jingwu Duan, Junqing Guo, John Hynes, Bin Jiang, James Kempson, Shuqun Lin, Zhonghui Lu, Steven H. Spergel, John S. Tokarski, Hong Wu, Bingwei Vera Yang
  • PYRROLOPYRIDAZINE JAK3 INHIBITORS AND THEIR USE FOR THE TREATMENT OF INFLAMMATORY AND AUTOIMMUNE DISEASES
    Publication number: 20140005146
    Abstract: Disclosed are compounds of formula (I) and pharmaceutically acceptable salts thereof. The compounds of formula (I) inhibit tyrosine kinase activity of JAK3, thereby making them useful for the treatment of inflammatory and autoimmune diseases.
    Type: Application
    Filed: March 16, 2012
    Publication date: January 2, 2014
    Inventors: Stephen T. Wrobleski, Jagabandhu Das, Lidia M. Doweyko, Junqing Guo, John Hynes, Bin Jiang, James Kempson, Shuqun Lin, Steven H. Spergel, John S. Tokarski, Hong Wu, Bingwei Vera Yang
  • 1,6-dihydro-1,3,5,6-tetraaza--indacene based tricyclic compounds and pharmaceutical compositions comprising same
    Patent number: 8268855
    Abstract: The present invention provides for tricyclic compounds having the formula (I), wherein R1, R2, R5, R6, R7, and R8 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: September 18, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: William J. Pitts, James Kempson, Junqing Guo, Jagabandhu Das, Charles M. Langevine, Steven H. Spergel, Scott Hunter Watterson
  • 1,6-DIHYDRO-1,3,5,6-TETRAAZA-AS-INDACENE BASED TRICYCLIC COMPOUNDS AND PHARMACEUTICAL COMPOSITIONS COMPRISING SAME
    Publication number: 20100210629
    Abstract: The present invention provides for tricyclic compounds having the formula (I), wherein R1, R2, R5, R6, R7, and R8 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Application
    Filed: April 23, 2010
    Publication date: August 19, 2010
    Inventors: William J. Pitts, James Kempson, Junqing Guo, Jagabandhu Das, Charles M. Langevine, Steven H. Spergel, Scott Hunter Watterson
  • 1,6-dihydro-1,3,5,6-tetraaza--indacene based tricyclic compounds and pharmaceutical compositions comprising same
    Patent number: 7737279
    Abstract: The present invention provides for tricyclic compounds having the formula (I), wherein R1, R2, R5, R6, R7, and R8 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: June 15, 2010
    Assignee: Bristol-Myers Squibb Company
    Inventors: William J. Pitts, James Kempson, Junqing Guo, Jagabandhu Das, Charles M. Langevine, Steven H. Spergel, Scott Hunter Watterson
  • 8H-imidazo[4,5-D]thiazolo[4,5-B]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Patent number: 7557211
    Abstract: The present invention provides for thiazolopyridine-based tricyclic compounds having the formula (I), wherein R1, R2, R5 and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: July 7, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Jagabandhu Das, James Kempson, William J. Pitts, Steven H. Spergel
  • Imidazo-fused oxazolo [4,5-]pyridine and imidazo-fused thiazolo[4,5-]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Patent number: 7456194
    Abstract: The present invention provides for pyrazolopurine-based tricyclic compounds having the formula (I), wherein R1, R2, R3, and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: November 25, 2008
    Assignee: Bristol-Myers Squibb Company
    Inventors: Alaric Dyckman, William J. Pitts, Makonen Belema, Patrice Gill, James Kempson, Yuping Qiu, Claude Quesnelle, Steven H. Spergel, F. Christopher Zusi
  • Imidazo-fused oxazolo[4,5-?]pyridine and imidazo-fused thiazolo[4,5-?]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Patent number: 7176214
    Abstract: The present invention provides for pyrazolopurine-based tricyclic compounds having the formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: February 13, 2007
    Assignee: Bristol-Myers Squibb Company
    Inventors: William J. Pitts, Makonen Belema, Patrice Gill, James Kempson, Yuping Qiu, Claude A. Quesnelle, Steven H. Spergel, Fred Christopher Zusi
  • 1,6-Dihydro-1,3,5,6-Tetraaza-as-indacene based tricyclic compounds and pharmaceutical compositions comprising same
    Publication number: 20060270654
    Abstract: The present invention provides for tricyclic compounds having the formula (I), wherein R1, R2, R5, R6, R7, and R8 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Application
    Filed: May 8, 2006
    Publication date: November 30, 2006
    Inventors: William Pitts, James Kempson, Junqing Guo, Jagabandhu Das, Charles Langevine, Steven Spergel, Scott Watterson
  • Imidazo-fused oxazolo[4,5-b]pyridine and imidazo-fused thiazolo[4,5-b]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Publication number: 20060217412
    Abstract: The present invention provides for pyrazolopurine-based tricyclic compounds having the formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Application
    Filed: June 1, 2006
    Publication date: September 28, 2006
    Inventors: William Pitts, Makonen Belema, Patrice Gill, James Kempson, Yuping Qiu, Claude Quesnelle, Steven Spergel, Fred Zusi
  • Acyl guanidine compounds and use thereof
    Patent number: 7109224
    Abstract: Acyl guanidine compounds of the following Formula wherein R1, R2, R3, R4 and L are described herein, and pharmaceutical compositions thereof, are useful in treating leukocyte activation-associated disorders.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: September 19, 2006
    Assignee: Bristol-Myers Squibb Co.
    Inventors: James Kempson, William J. Pitts
  • 8H-imidazo[4,5-D]thiazolo[4,5-B]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Publication number: 20060128741
    Abstract: The present invention provides for thiazolopyridine-based tricyclic compounds having the formula (I), wherein R1, R2, R5 and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Application
    Filed: November 10, 2005
    Publication date: June 15, 2006
    Inventors: Jagabandhu Das, James Kempson, William Pitts, Steven Spergel
  • Imidazo-fused oxazolo[4,5-b]pyridine and imidazo-fused thiazolo[4,5-b]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Publication number: 20060106051
    Abstract: The present invention provides for pyrazolopurine-based tricyclic compounds having the formula (I), wherein R1, R2, R3, and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Application
    Filed: November 10, 2005
    Publication date: May 18, 2006
    Inventors: Alaric Dyckman, William Pitts, Makonen Belema, Patrice Gill, James Kempson, Yuping Qiu, Claude Quesnelle, Steven Spergel, F. Zusi
  • Imidazo-fused oxazolo[4,5-beta]pyridine and imidazo-fused thiazolo[4,5-beta]pyridine based tricyclic compounds and pharmaceutical compositions comprising same
    Publication number: 20050101626
    Abstract: The present invention provides for pyrazolopurine-based tricyclic compounds having the formula (I), wherein R1, R2, R3, R4, R5 and R6 are as described herein. The present invention further provides pharmaceutical compositions comprising such compounds, as well as the use of such compounds for treating inflammatory and immune diseases.
    Type: Application
    Filed: May 18, 2004
    Publication date: May 12, 2005
    Inventors: William Pitts, Makonen Belema, Patrice Gill, James Kempson, Yuping Qiu, Claude Quesnelle, Steven Spergel, Fred Zusi
  • Acyl guanidine compounds and use thereof
    Publication number: 20040132750
    Abstract: Acyl guanidine compounds of the following Formula 1
    Type: Application
    Filed: November 6, 2003
    Publication date: July 8, 2004
    Inventors: James Kempson, William J. Pitts