Patents Represented by Attorney Dean Ersfeld
  • Patent number: 7148232
    Abstract: Thiazolo-, oxazolo- and selenazolo[4,5-c]quinolin-4-amines and analogs thereof are described including methods of manufacture and the use of novel intermediates. The compounds are immunomodulators and induce cytokine biosynthesis, including interferon and/or tumor biosynthesis, necrosis factor, and inhibit the T-helper-type 2 immune response. The compounds are further useful in the treatment of viral and neoplastic diseases.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: December 12, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: John F. Gerster, Kyle J. Lindstrom, Gregory J. Marszalek
  • Patent number: 7125890
    Abstract: Imidazopyridine compounds that contain an ether or thioether functionality at the 1-position are useful as immune response modifiers. The compounds and compositions of the invention can induce the biosynthesis of various cytokines and are useful in the treatment of a variety of conditions including viral diseases and neoplastic diseases. Methods of preparing the compounds and intermediates useful in the preparation of the compounds are also disclosed.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: October 24, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph F. Dellaria, Kyle J. Lindstrom, Luke T. Dressel, Daniel E. Duffy, Philip D. Heppner, John R. Jacobsen, Joan T. Moseman, William H. Moser, Matthew R. Radmer, Doris Stoermer, Bernhard M. Zimmermann
  • Patent number: 7098221
    Abstract: Imidazopyridine compounds that contain amide functionality at the 1-position are useful as immune response modifiers. The compounds and compositions of the invention can induce the biosynthesis of various cytokines and are useful in the treatment of a variety of conditions including viral diseases and neoplastic diseases.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: August 29, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Philip D. Heppner, Kyle J. Lindstrom, Bryon A. Merrill
  • Patent number: 6916925
    Abstract: Dye labeled imidazonaphthyridine, imidazopyridine and imidazoquinoline compounds having immune response modulating activity are disclosed. The compounds arc useful, inter alia, for determining the binding and/or receptor sites of the molecules.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: July 12, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Michael J. Rice, Mark A. Tomai, Ai-Ping Wei