Patents Represented by Attorney Dean A. Ersfeld

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  • Electroactive polymers
    Patent number: 7094902
    Abstract: Electroactive polymeric arylenes and intermediates useful for making such polymers are disclosed. The present invention also provides electroactive compositions comprising the electroactive polymeric arylenes, organic electronic devices which comprise these polymers and compositions, and methods of fabricating these devices.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: August 22, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Ralph R. Roberts, James G. Bentsen, Yingbo Li
  • Aryl substituted Imidazoquinolines
    Patent number: 7091214
    Abstract: Aryl substituted imidazoquinoline compounds, pharmaceutical compositions containing the compounds, intermediates, and methods of use of these compounds as immunomodulators, for inducing or inhibiting cytokine biosynthesis in animals and in the treatment of diseases including viral, and neoplastic, are disclosed.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: August 15, 2006
    Assignee: 3M Innovative Properties Co.
    Inventors: David S. Hays, Shri Niwas, Tushar Kshirsagar, Philip D. Heppner, Bryon A. Merrill, Michael E. Danielson, John F. Gerster, Chad A. Haraldson, Maureen A. Kavanagh, Michael J. Rice, Sarah A. Strong, Joshua R. Wurst
  • Urea substituted imidazoquinoline ethers
    Patent number: 7078523
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain ether and urea 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: October 7, 2003
    Date of Patent: July 18, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Stephen L. Crooks, George W. Griesgraber, Philip D. Heppner, Bryon A. Merrill
  • Urea substituted imidazoquinoline ethers
    Patent number: 7049439
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain ether and urea 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: October 7, 2003
    Date of Patent: May 23, 2006
    Assignee: 3M Innovative Properties Co.
    Inventors: Stephen L. Crooks, George W. Griesgraber, Philip D. Heppner, Bryon A. Merrill
  • Imidazonaphthyridines
    Patent number: 7038051
    Abstract: Imidazonaphthyridine and tetrahydroimidazonaphthyridine compounds induce the biosynthesis of cytokines such as interferon and tumor necrosis factor. The compounds exhibit antiviral and antitumor properties. Methods of preparing the compounds and intermediates useful in the preparation of the compounds are also disclosed.
    Type: Grant
    Filed: July 25, 2005
    Date of Patent: May 2, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: John F. Gerster, Kyle J. Lindstrom, Stephen L. Crooks, Philip D. Heppner, Gregory J. Marszalek, Peter V. Maye, Bryon A. Merrill, John W. Mickelson, Michael J. Rice
  • Process for imidazo[4,5-]pyridin-4-amines
    Patent number: 7038053
    Abstract: A process and intermediates for preparing 1H-imidazo[4,5-c]pyridin-4-amines are disclosed. The process includes providing a 7H-imidazo[4,5-c]tetrazolo[1,5-a]pyridine and converting a 7H-imidazo[4,5-c]tetrazolo[1,5-a]pyridine to a 1H-imidazo[4,5-c]pyridin-4-amine.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: May 2, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Kyle J. Lindstrom, Luke T. Dressel
  • Sulfonamide substituted imidazoquinolines
    Patent number: 7030131
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain sulfonamide or sulfonamide 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: April 16, 2004
    Date of Patent: April 18, 2006
    Inventors: Stephen L. Crooks, Bryon A. Merrill
  • Process for preparing imidazoquinolinamines
    Patent number: 7026482
    Abstract: A process for preparing 1H-imidazo[4,5-c]quinolin-4-amines is disclosed. The process involves reacting a 6H-imidazo[4,5-c]tetrazolo[1,5-a]quinoline with triphenylphosphine and hydrolyzing the product thereof.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: April 11, 2006
    Inventors: John F. Gerster, Kyle J. Lindstrom
  • Aryl ether substituted imidazoquinolines
    Patent number: 6989389
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain ether and aryl or alkenyl 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: October 29, 2003
    Date of Patent: January 24, 2006
    Assignee: 3M Innovative Properties Co.
    Inventors: Philip D. Heppner, Leslie J. Charles, Joseph F. Dellaria, Bryon A. Merrill, John W. Mickelson
  • Amide substituted imidazopyridines
    Patent number: 6969722
    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: February 4, 2004
    Date of Patent: November 29, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Philip D. Heppner, Kyle J. Lindstrom, Bryon A. Merrill
  • Aryl ether substituted imidazoquinolines
    Patent number: 6953804
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain ether and aryl or alkenyl 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: October 29, 2003
    Date of Patent: October 11, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Joseph F. Dellaria, John W. Mickelson
  • Thioether substituted imidazoquinolines
    Patent number: 6949649
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain 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.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: September 27, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Jason D. Bonk, Joseph F. Dellaria, Bryon A. Merrill, Matthew R. Radmer
  • Imidazonaphthyridines
    Patent number: 6949646
    Abstract: Imidazonaphthyridine and tetrahydroimidazonaphthyridine compounds induce the biosynthesis of cytokines such as interferon and tumor necrosis factor. The compounds exhibit antiviral and antitumor properties. Methods of preparing the compounds and intermediates useful in the preparation of the compounds are also disclosed.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: September 27, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: John F. Gerster, Kyle J. Lindstrom, Stephen L. Crooks, Philip D. Heppner, Gregory J. Marszalek, Peter V. Maye, Bryon A. Merrill, John W. Mickelson, Michael J. Rice
  • Process for imidazo[4,5-c]pyridin-4-amines
    Patent number: 6943255
    Abstract: A process and intermediates for preparing 1H-imidazo[4,5-c]pyridin-4-amines are disclosed. The process includes providing a 7H-imidazo[4,5-c]tetrazolo[1,5-?]pyridine and converting a 7H-imidazo[4,5-c]tetrazolo[1,5-?]pyridine to a 1H-imidazo[4,5-c]pyridin-4-amine.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: September 13, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Kyle J. Lindstrom, Luke T. Dressel
  • Sulfonamide and sulfamide substituted imidazoquinolines
    Patent number: 6924293
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain sulfonamide or sulfonamide 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: September 23, 2003
    Date of Patent: August 2, 2005
    Assignee: 3M Innovative Properties Company
    Inventor: Kyle J. Lindstrom
  • Thioether substituted imidazoquinolines
    Patent number: 6921826
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain 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.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: July 26, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Joseph F. Dellaria, Bryon A. Merrill, Matthew R. Radmer
  • Dye labeled imidazoquinoline compounds
    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
  • Urea substituted imidazopyridines
    Patent number: 6903113
    Abstract: Imidazopyridine compounds that contain urea or thiourea 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: February 4, 2004
    Date of Patent: June 7, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Philip D. Heppner, Kyle J. Lindstrom, Bryon A. Merrill
  • Process for preparing imidazoquinolinamines
    Patent number: 6897314
    Abstract: A process for preparing 1H-imidazo[4,5-c]quinolin-4-amines is disclosed. The process involves reacting a 6H-imidazo[4,5-c]tetrazolo[1,5-a]quinoline with triphenylphosphine and hydrolyzing the product thereof.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: May 24, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: John F. Gerster, Kyle J. Lindstrom
  • Urea substituted imidazoquinolines
    Patent number: 6897221
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain urea, thiourea, acylurea, or sulfonylurea 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: February 17, 2004
    Date of Patent: May 24, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Stephen L. Crooks, Michael J. Rice