Patents by Inventor John Langlands

John Langlands 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).

  • 6,7-Oxygenated steroids and uses related thereto
    Publication number: 20060211857
    Abstract: Steroid compounds having various oxygen substitution on the steroid nucleus are disclosed. A specific functionality present on many of the steroid compounds is oxygen substitution at both of positions 6 and 7. Thus, certain steroids have oxygen substitution at C6 and C7, and some have specific stereochemistries such as 6? and 7? oxygen substitution, and an alpha hydrogen at the 5 position in addition to having 6? and 7? oxygen substitution. Steroids having 3,4-epoxy functionality are also disclosed. In addition, steroids having C17 pyran and ?-lactone functionality, with oxygen substitution at C6 and C7, or at C15, of the steroid nucleus, are disclosed.
    Type: Application
    Filed: November 22, 2005
    Publication date: September 21, 2006
    Applicants: Inflazyme Pharmaceuticals Ltd., The University of British Columbia, The University of Alberta
    Inventors: David Burgoyne, Yaping Shen, John Langlands, Christine Rogers, Joseph Chau, Edward Piers, Hassan Salari