Patents by Inventor Collingwood P Stephen

Collingwood P Stephen 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).

  • Pyrrolidinium derivatives as M3 muscarnic receptor antagonists
    Patent number: 8383625
    Abstract: Compounds of formula (I) in salt or zwitterionic form, wherein R1, R2, R3, R4 and R5 have the meanings as indicated in the specification, are useful for treating conditions that are mediated by the muscarinic M3 receptor. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.
    Type: Grant
    Filed: December 22, 2005
    Date of Patent: February 26, 2013
    Assignee: Novartis AG
    Inventors: Neil J Press, Collingwood P Stephen
  • PYRROLINIDIUM DERIVATIVES AS M3 MUSCARINIC RECEPTORS
    Publication number: 20090291960
    Abstract: Compounds of formula (I) in salt or zwitterionic form, wherein R1, R2, R3, R4 and R5 have the meanings as indicated in the specification, are useful for treating conditions that are mediated by the muscarinic M3 receptor. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.
    Type: Application
    Filed: December 22, 2005
    Publication date: November 26, 2009
    Inventors: Neil J. Press, Collingwood P. Stephen