Patents by Inventor Jeffrey A. Pfefferkorn

Jeffrey A. Pfefferkorn 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: 20150353508
    Abstract: The present invention provides a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, A1, A2, A3, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Applicant: PFIZER INC.
    Inventors: Mary Didiuk, Kevin J. Filipski, Angel Guzman-Perez, Esther C. Lee, Jeffrey A. Pfefferkorn, Benjamin Stevens, Meihua Tu
  • Patent number: 9139538
    Abstract: The present invention provides a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, A1, A2, A3, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: September 22, 2015
    Assignee: Pfizer Inc.
    Inventors: Mary Didiuk, Kevin J. Filipski, Angel Guzman-Perez, Esther C. Lee, Jeffrey A. Pfefferkorn, Benjamin Stevens, Meihua Tu
  • Publication number: 20150099882
    Abstract: The present invention provides a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, A1, A2, A3, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: December 9, 2014
    Publication date: April 9, 2015
    Applicant: Pfizer Inc.
    Inventors: Mary Didiuk, Kevin J. Filipski, Angel Guzman-Perez, Esther C. Lee, Jeffrey A. Pfefferkorn, Benjamin Stevens, Meihua Tu
  • Patent number: 8927577
    Abstract: The present invention provides a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, A1, A2, A3, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: January 6, 2015
    Assignee: Pfizer Inc.
    Inventors: Mary Didiuk, Kevin J. Filipski, Angel Guzman-Perez, Esther C. Lee, Jeffrey A. Pfefferkorn, Benjamin Stevens, Meihua Tu
  • Publication number: 20140135338
    Abstract: The present invention provides a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, A1, A2, A3, B1, B2, B3 and B4 are as defined herein. The compounds of Formula I have been found to act as glucagon antagonists or inverse agonists. Consequently, the compounds of Formula I and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucagon.
    Type: Application
    Filed: July 12, 2012
    Publication date: May 15, 2014
    Applicant: PFIZER INC.
    Inventors: Mary Didiuk, Kevin J. Filipski, Angel Guzman-Perez, Esther C. Lee, Jeffrey A. Pfefferkorn, Benjamin Stevens, Meihua Tu
  • Publication number: 20110319379
    Abstract: The present invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R4, R6, X, Y and Z are as defined herein. The compounds of Formula (I) have been found to act as glucokinase activators. Consequently, the compounds of Formula (I) and the pharmaceutical compositions thereof are useful for the treatment of diseases, disorders, or conditions mediated by glucokinase.
    Type: Application
    Filed: March 4, 2010
    Publication date: December 29, 2011
    Inventors: Jeffrey W. Corbett, Angel Guzman-Perez, Jeffrey A. Pfefferkorn, Meihua Tu
  • Publication number: 20090170852
    Abstract: Novel compounds and pharmaceutical compositions useful as hypocholesterolemic and hypolipidemic agents are described. More specifically, potent inhibitors of the enzyme 3-hydroxy-3-methylglutaryl-coenzyme A reductase (“HMG CoA reductase”) are described. Methods of using such compounds and compositions to treat subjects, including humans, suffering from hyperlipidemia, hypercholesterolemia, hypertriglyceridemia, atherosclerosis, Alzheimer's Disease, benign prostatic hypertrophy (BPH), diabetes and osteoporosis are also described.
    Type: Application
    Filed: October 8, 2008
    Publication date: July 2, 2009
    Inventors: Chulho Choi, Daniel Merritt Bowles, Richard H. Hutchings, William K.C. Park, Jeffrey A. Pfefferkorn
  • Patent number: 7446121
    Abstract: Novel compounds and pharmaceutical compositions useful as hypocholesterolemic and hypolipidemic agents are described. More specifically, potent inhibitors of the enzyme 3-hydroxy-3-methylglutaryl-coenzyme A reductase (“HMG CoA reductase”) are described. Methods of using such compounds and compositions to treat subjects, including humans, suffering from hyperlipidemia, hypercholesterolemia, hypertriglyceridemia, atherosclerosis, Alzheimer's Disease, benign prostatic hypertrophy (BPH), diabetes and osteoporosis are also described.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: November 4, 2008
    Assignee: Pfizer Inc.
    Inventor: Jeffrey A. Pfefferkorn
  • Publication number: 20080227974
    Abstract: Novel azetidinones and pharmaceutical compositions are described, as are the methods of using such compounds and compositions to treat subjects, including humans, suffering from hyperlipidemia, hypercholesterolemia, hypertriglyceridemia and atherosclerosis.
    Type: Application
    Filed: July 20, 2006
    Publication date: September 18, 2008
    Inventors: Jeffrey A. Pfefferkorn, Bharat K. Trivedi
  • Patent number: 7041690
    Abstract: The present invention provides compounds of Formula I, compositions and methods that are useful for treating viral infections and associated diseases, particularly HCV infections and associated diseases
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: May 9, 2006
    Assignee: Pharmacia & Upjohn Company, LLC
    Inventors: Barry Craig Finzel, Hua Gao, Meredith L. Greene, Rebecca J. Gross, Richard Allen Nugent, Jeffrey A. Pfefferkorn
  • Publication number: 20040142980
    Abstract: The present invention provides compounds of Formula I, compositions and methods that are useful for treating viral infections and associated diseases, particularly HCV infections and associated diseases.
    Type: Application
    Filed: June 30, 2003
    Publication date: July 22, 2004
    Inventors: Barry Craig Finzel, Hua Gao, Meredith L. Greene, Rebecca J. Gross, Richard Allen Nugent, Jeffrey A. Pfefferkorn