Patents by Inventor Karnail S. Atwal

Karnail S. Atwal 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: 20100197813
    Abstract: The present invention is directed to the use of a compound of Formula I and physiologically acceptable salts thereof wherein G1, G2, G3, R1, R2, R7, R3, R4, and R5 are defined herein. Compounds according to Formula I can be used to enhance a sweet taste produced by a tastant. The invention is also directed to compositions comprising a compound according to the above formula. Other aspects of the invention provide methods, compounds, and compositions for improved food products wherein the food product comprises a compound according to Formula I and a reduced amount of a sweet tastant.
    Type: Application
    Filed: February 9, 2010
    Publication date: August 5, 2010
    Applicant: Redpoint Bio Corporation
    Inventors: Karnail S. ATWAL, Anita B. Atwal, Robert W. Bryant, Ivona Bakaj, Roy Kyle Palmer, Rok Cerne
  • Patent number: 7674831
    Abstract: The present invention is directed to the use of a compound of Formula I and physiologically acceptable salts thereof wherein G1, G2, G3, R1, R2, R7, R3, R4, and R5 are defined herein. Compounds according to Formula I can be used to enhance a sweet taste produced by a tastant. The invention is also directed to compositions comprising a compound according to the above formula. Other aspects of the invention provide methods, compounds, and compositions for improved food products wherein the food product comprises a compound according to Formula I and a reduced amount of a sweet tastant.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: March 9, 2010
    Assignee: Redpoint Bio Corporation
    Inventors: Karnail S. Atwal, Anita B. Atwal, legal representative, Robert W. Bryant, Ivona Bakaj, Roy Kyle Palmer, Rok Cerne
  • Patent number: 7541362
    Abstract: Novel heterocyclic dihydropyrimidine compounds useful as inhibitors of potassium channel function (especially inhibitors of the Kv1 subfamily of voltage gated K+ channels, especially inhibitors Kv1.5 which has been linked to the ultra-rapidly activating delayed rectifier K+ current IKur), methods of using such compounds in the prevention and treatment of arrhythmia and IKur-associated conditions, and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: June 2, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Karnail S. Atwal, Wayne Vaccaro, John Lloyd, Heather Finlay, Lin Yan, Rao S. Bhandaru
  • Publication number: 20080249189
    Abstract: The present invention is directed to the use of a compound of Formula I and physiologically acceptable salts thereof wherein G1, G2, G3, R1, R2, R7, R3, R4, and R5 are defined herein. Compounds according to Formula I can be used to enhance a sweet taste produced by a tastant. The invention is also directed to compositions comprising a compound according to the above formula. Other aspects of the invention provide methods, compounds, and compositions for improved food products wherein the food product comprises a compound according to Formula I and a reduced amount of a sweet tastant.
    Type: Application
    Filed: August 22, 2007
    Publication date: October 9, 2008
    Inventors: KARNAIL S ATWAL, Robert W. Bryant, Ivona Bakaj, Roy Kyle Palmer, Rok Cerne, Anita B. Atwal
  • Patent number: 7326705
    Abstract: Heterocyclic are provided which are sodium/proton exchange (NHE) inhibitors which have the structure wherein n is 1 to 5; X is N or C—R5 wherein R5 is H, halo, alkenyl, alkynyl, alkoxy, alkyl, aryl or heteroaryl; Z is a heteroaryl group, R1, R2, R3 and R4 are as defined herein, and where X is N, R1 is preferably aryl or heteroaryl, and are useful as antianginal and cardioprotective agents. In addition, a method is provided for preventing or treating angina pectoris, cardiac dysfunction, myocardial necrosis, and arrhythmia employing the above heterocyclic derivatives.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: February 5, 2008
    Assignee: Bristol-Myers Squibb Company
    Inventors: Saleem Ahmad, Shung C. Wu, Steven V. O'Neil, Khehyong Ngu, Karnail S. Atwal, David S. Weinstein
  • Patent number: 7157451
    Abstract: Novel heterocyclic dihydropyrimidine compounds useful as inhibitors of potassium channel function (especially inhibitors of the Kv1 subfamily of voltage gated K+ channels, especially inhibitors Kv1.5 which has been linked to the ultra-rapidly activating delayed rectifier K+ current IKur), methods of using such compounds in the prevention and treatment of arrhythmia and IKur-associated conditions, and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: January 2, 2007
    Assignee: Bristol-Myers Squibb Company
    Inventors: Karnail S. Atwal, Wayne Vaccaro, John Lloyd, Heather Finlay, Lin Yan, Rao S. Bhandaru
  • Patent number: 6916813
    Abstract: Compounds having the formula (I), and pharmaceutically acceptable salts thereof, are useful for modulating mitochondrial F1F0 ATPase activity and treating ischemic conditions including myocardial infarction, congestive heart failure, and cardiac arrhythmias.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: July 12, 2005
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Karnail S. Atwal, Gary J. Grover, Charles Z. Ding, Philip D. Stein, John Lloyd, Saleem Ahmad, Lawrnce G. Hamann, David Green, Francis N. Ferrara
  • Patent number: 6887870
    Abstract: Heterocyclic are provided which are sodium/proton exchange (NHE) inhibitors which have the structure wherein n is 1 to 5; X is N or C—R5 wherein R5 is H, halo, alkenyl, alkynyl, alkoxy, alkyl, aryl or heteroaryl; Z is a heteroaryl gorup, R1, R2, R3 and R4 are as defined herein, and where X is N. R1 is preferably aryl or heteroaryl, and are useful as antianginal and cardioprotective agents. In addition, a method is provided for preventing or treating angina pectoris, cardiac dysfunction, myocardial necrosis, and arrhythmia employing the above heterocyclic derivatives.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: May 3, 2005
    Assignee: Bristol-Myers Squibb Company
    Inventors: Saleem Ahmad, Shung C. Wu, Steven V. O'Neil, Khehyong Ngu, Karnail S. Atwal, David S. Weinstein
  • Patent number: 6881753
    Abstract: Indanes, benzopyrans and analogues thereof are potassium channel inhibitors and blockers of IKur and have the structure: where A, B, D, Q, X1, R, R1, X2 and R2 are as defined herein. These compounds are useful as antiarrhythmic agents. In addition, a method is provided for preventing cardiac arrhythmia employing the above compounds.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: April 19, 2005
    Assignee: Bristol-Myers Squibb Co.
    Inventors: John Lloyd, Heather J. Finlay, Wayne Vaccaro, Karnail S. Atwal, Michael F. Gross, Kerry L. Spear
  • Publication number: 20040192710
    Abstract: Indanes, benzopyrans and analogues thereof are potassium channel inhibitors and blockers of IKur and have the structure 1
    Type: Application
    Filed: April 14, 2004
    Publication date: September 30, 2004
    Inventors: John Lloyd, Heather J. Finlay, Wayne Vaccaro, Karnail S. Atwal, Michael F. Gross, Kerry L. Spear
  • Patent number: 6784189
    Abstract: Indanes, benzopyrans and analogues thereof are potassium channel inhibitors and blockers of IKur and have the structure where A, B, D, Q, X1, R, R1, X2 and R2 are as defined herein. These compounds are useful as antiarrhythmic agents. In addition, a method is provided for preventing cardiac arrhythmia employing the above compounds.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: August 31, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: John Lloyd, Heather J. Finlay, Wayne Vaccaro, Karnail S. Atwal, Michael F. Gross, Kerry L. Spear
  • Publication number: 20040067944
    Abstract: Indanes, benzopyrans and analogues thereof are potassium channel inhibitors and blockers of IKur and have the structure 1
    Type: Application
    Filed: November 15, 2002
    Publication date: April 8, 2004
    Inventors: John Lloyd, Heather J. Finlay, Wayne Vaccaro, Karnail S. Atwal, Michael F. Gross, Kerry L. Spear
  • Publication number: 20040063687
    Abstract: Novel heterocyclic dihydropyrimidine compounds useful as inhibitors of potassium channel function (especially inhibitors of the Kv1 subfamily of voltage gated K+ channels, especially inhibitors Kv1.5 which has been linked to the ultra-rapidly activating delayed rectifier K+ current IKur), methods of using such compounds in the prevention and treatment of arrhythmia and IKur-associated conditions, and pharmaceutical compositions containing such compounds.
    Type: Application
    Filed: September 12, 2003
    Publication date: April 1, 2004
    Inventors: Karnail S. Atwal, Wayne Vaccaro, John Lloyd, Heather Finlay, Lin Yan, Rao S. Bhandaru
  • Publication number: 20040058931
    Abstract: Indanes, benzopyrans and analogues thereof are potassium channel inhibitors and blockers of IKur and have the structure 1
    Type: Application
    Filed: November 15, 2002
    Publication date: March 25, 2004
    Inventors: John Lloyd, Heather J. Finlay, Wayne Vaccaro, Karnail S. Atwal, Michael F. Gross, Kerry L. Spear
  • Patent number: 6706720
    Abstract: Novel heterocyclic dihydropyrimidine compounds useful as inhibitors of potassium channel function (especially inhibitors of the Kv1 subfamily of voltage gated K+ channels, especially inhibitors Kv1.5 which has been linked to the ultra-rapidly activating delayed rectifier K+ current IKur), methods of using such compounds in the prevention and treatment of arrhythmia and IKur-associated conditions, and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: March 16, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: Karnail S. Atwal, Wayne Vaccaro, John Lloyd, Heather Finlay, Lin Yan, Rao S. Bhandaru
  • Publication number: 20040039033
    Abstract: Compounds having the formula (I), and pharmaceutically acceptable salts thereof, 1
    Type: Application
    Filed: December 10, 2002
    Publication date: February 26, 2004
    Inventors: Karnail S. Atwal, Gary J. Grover, Charles Z. Ding, Philip D. Stein, John Lloyd, Saleem Ahmad, Lawrence G. Hamann, David Green, Francis N. Ferrara
  • Patent number: 6664250
    Abstract: Lactam derivatives of the formula where X is —C(═O)NR3′—, —NR3′C(═O)—, —C(═NCN)NR3′—, —NR3′C(═NCN)—, —CH2NR3′—, —CH(alkyl)NR3′—, —CH(COOalkyl)NR3′—, —CH(CH2OH)NR3′—, —C(CH2Oalkyl)—; R1 is halo, alkyl, cycloalkyl, alkyl(cycloalkyl), aryl, (aryl)alkyl, (aryl)alkenyl, (aryl)alkynyl, O-alkyl, O-alkenyl, O-aryl, O-alky(aryl), O-alkyl(heterocyclo), COO-alkyl, C)-alkyl, CO-amino, CO-substituted amino, alkyl-CO-amino, alkyl-CO-substituted amino, NHCO-alkyl, NHCO-aryl, NHCO-alkyl(aryl), NHCO-alkyl(heterocyclo), N(alkyl)CO-alkyl, N(alkyl)CO-aryl, N(alkyl)CO-heterocyclo, N(alkyl)CO-alkyl(aryl), N(alkyl)CO-alkyl(heterocyclo); R2 is hydrogen, alkyl, halo, aryl, (aryl)alkyl, O-alkyl, amino, substituted amino; R3 and R3′ are the same or different and are independently selected from hydrogen, alkyl or alkyl(aryl); R4 which
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: December 16, 2003
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Karnail S. Atwal, Saleem Ahmad, Francis N. Ferrara
  • Patent number: 6624309
    Abstract: Benzoic acid derivatives of the formula where X is oxygen, sulfur, —NH, —NR1, —N—CN, —N—OR1 or —N—NO2; Y is a single bond, —C═C—, or —NH; R1 is alkyl, alkenyl, alkynyl, aryl, cycloalkyl, heterocyclo, or (heterocyclo)alkyl; and R2 is aryl or heterocyclo. The compounds of formula I are useful in the treatment of arrhythmia.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: September 23, 2003
    Assignee: Bristol-Myers Squibb Company
    Inventors: John Lloyd, George C. Rovnyak, Philip D. Stein, Saleem Ahmad, Karnail S. Atwal, Thomas J. Caulfield, Michael A. Poss
  • Publication number: 20030114438
    Abstract: Lactam derivatives of the formula 1
    Type: Application
    Filed: October 9, 2002
    Publication date: June 19, 2003
    Inventors: Karnail S. Atwal, Saleem Ahmad, Francis N. Ferrara
  • Publication number: 20030022890
    Abstract: Novel heterocyclic dihydropyrimidine compounds useful as inhibitors of potassium channel function (especially inhibitors of the Kv1 subfamily of voltage gated K+ channels, especially inhibitors Kv1.5 which has been linked to the ultra-rapidly activating delayed rectifier K+ current IKur), methods of using such compounds in the prevention and treatment of arrhythmia and IKur-associated conditions, and pharmaceutical compositions containing such compounds.
    Type: Application
    Filed: December 5, 2000
    Publication date: January 30, 2003
    Inventors: Karnail S. Atwal, Wayne Vaccaro, John Lloyd, Heather Finlay, Lin Yan, Rao S. Bhandaru