Patents by Inventor Richard Philip Butt

Richard Philip Butt 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: 20140248252
    Abstract: The present invention is directed to 4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide or a pharmaceutically acceptable salt thereof for the treatment of a disease associated with elevated blood uric acid levels, such as hyperuricemia or gout. The invention is also directed to the tosylate salt of 4-[2-(5-amino-1H-pyrazol-4-yl)-4-chlorophenoxy]-5-chloro-2-fluoro-N-(1,3-thiazol-4-yl)benzenesulfonamide.
    Type: Application
    Filed: October 19, 2012
    Publication date: September 4, 2014
    Applicant: PFIZER LIMITED
    Inventors: Zahid Ali, Kenneth John Butcher, Richard Philip Butt, Stephen John Felstead, Sophie Glatt, Ruth Mitchell McKernan, Maninder Panesar
  • Publication number: 20030216407
    Abstract: This invention relates to the use of selective cyclic guanosine 3′,5′-monophosphate type five (cGMP PDE5) inhibitors (hereinafter PDE5 inhibitors), including in particular the compound sildenafil, for the treatment of or prevention of scarring or fibrosis in tissue.
    Type: Application
    Filed: January 24, 2003
    Publication date: November 20, 2003
    Applicant: Pfizer Inc.
    Inventors: Richard Philip Butt, Stephen Charles Phillips