Patents by Inventor Robert O Hughes

Robert O Hughes 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: 8946413
    Abstract: There is provided a compound of Formula I(a) or I(b): or a pharmaceutically acceptable salt thereof, wherein the various substitutents are defined herein.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: February 3, 2015
    Assignee: Pfizer Inc.
    Inventors: Robert O. Hughes, Rajesh V. Devraj, Donald J. Rogier, John I. Trujillo, Steve R. Turner, Wei Huang
  • Publication number: 20130197008
    Abstract: There is provided a compound of Formula I(a) or I(b): or a pharmaceutically acceptable salt thereof, wherein the various substitutents are defined herein.
    Type: Application
    Filed: September 14, 2012
    Publication date: August 1, 2013
    Applicant: Pfizer Inc.
    Inventors: Robert O. HUGHES, Rajesh V. Devraj, Donald J. Rogier, John I. Trujillo, Steve R. Turner, Wei Huang
  • Patent number: 8293903
    Abstract: There is provided a compound of Formula I(a) or I(b) or a pharmaceutically acceptable salt thereof, wherein the various substituents are defined herein.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: October 23, 2012
    Assignee: Pfizer Inc.
    Inventors: Robert O. Hughes, Rajesh V. Devraj, Donald J. Rogier, John I. Trujillo, Steve R. Turner, Wei Huang
  • Publication number: 20110144129
    Abstract: There is provided a compound of Formula I(a) or I(b) or a pharmaceutically acceptable salt thereof, wherein the various substituents are defined herein.
    Type: Application
    Filed: June 7, 2010
    Publication date: June 16, 2011
    Inventors: Robert O. Hughes, Rajesh V. Devraj, Donald J. Rogier, John I. Trujillo, Steve R. Turner, Wei Huang
  • Patent number: 7902195
    Abstract: Compounds and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula I: wherein R2, R6A, R6B and R8 are as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, synthetic methods, and intermediates are also disclosed.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: March 8, 2011
    Assignee: Pharmacia & Upjohn Company LLC
    Inventors: Robert O Hughes, Andrew Simon Bell, David Graham Brown, Dafydd Owen, Michael John Palmer, Christopher Phillips, David L. Brown, Yvette M. Fobian, John N. Freskos, Steven E. Heasley, E. Jon Jacobsen, Todd Maddux, Brent Mischke, John M. Molyneaux, Joseph B. Moon, D. Joseph Rogier, Jr., Michael B. Tollefson, John K. Walker