Patents by Inventor Christopher Ian Dallman

Christopher Ian Dallman 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).

  • Indole derivatives
    Patent number: 7238723
    Abstract: The present invention provides eletriptan hydrobromide monohydrate of the formula (I): together with processes for preparing, uses of, and compositions containing, said monohydrate.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: July 3, 2007
    Assignee: Pfizer Inc.
    Inventors: Christopher Ian Dallman, Ronald James Ogilvie
  • Crystalline therapeutic agent
    Publication number: 20040235857
    Abstract: A novel solid form of sildenafil citrate wherein the ratio of sildenafil: citrate is 1:0.5.
    Type: Application
    Filed: January 22, 2004
    Publication date: November 25, 2004
    Applicant: Pfizer Inc
    Inventors: Christopher Ian Dallman, Andrew Kevern Hills, James Gerard McGovern, Richard Anthony Storey