Patents by Inventor Björn Elman

Björn Elman 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: 6900324
    Abstract: The present invention provides a new process for large-scale preparation of substituted imidazopyridine compound of formula (1) wherein R1 is C1-C6 alkoxy or NH2 group, comprising the step of reacting a compound of formula (2) with a 3-halo-2-butanone compound in cyclohexanone.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: May 31, 2005
    Assignee: AstraZeneca AB
    Inventors: Björn Elman, Silke Erbeck, Eric Thiemermann