Patents by Inventor Richard Howard Doughty, deceased

Richard Howard Doughty, deceased 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).

  • Pyrimidine derivatives as selective inhibitors of cox-2
    Patent number: 7074802
    Abstract: The invention thus provides the compounds of formula (I) and pharmaceutically acceptable salts thereof, in which: R1 and R2 are independently selected from the group consisting of H, C1-6alkyl, C2-6alkenyl, C3-6alkynyl, C3-10cycloalkylC0-6alkyl and C4-12bridged cycloalkyl; R3 is selected from the group consisting of C1-6alkyl, NH2 and R5CONH; R4 is selected from the group consisting of CH2F, CHF2, CF3CH2, CF3CHF and CF3CF2; and R5 is selected from the group consisting of H, C1-6alkyl, C1-6alkoxy, C1-6alkylOC1-6alkyl, phenyl, HO2CC1-6alkyl, C1-6alkylOCOC1-6alkyl, C1-6alkylOCO, H2NC1-6alkyl, C1-6alkylOCONHC1-6alkyl and C1-6alkylCONHC1-6alkyl. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of the pain, fever, inflammation of a variety of conditions and diseases.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: July 11, 2006
    Assignee: Glaxo Group Limited
    Inventors: Jennifer Doughty, legal representative, Charles David Hartley, Alan Naylor, Jeremy John Payne, Neil Anthony Pegg, Richard Howard Doughty, deceased