Patents by Inventor Claude Dufresne

Claude Dufresne 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: 10199198
    Abstract: A method of electron microscopy imaging of samples, using an electron microscope (100) having a microscope column (10) and a transfer device (11) with a grid carriage (12), comprises the steps of preparing multiple samples (1) on a single electron microscopy grid (2), including dispensing the samples (1) with a dispenser device (30) on distinct positions on the grid (2), introducing the grid (1) with the transfer device (11) into the microscope column (10), and electron microscopy imaging of the samples (1), wherein the preparing step includes holding the grid (2) on the grid carriage (12) of the transfer device (11) or on a grid holder device (20) provided at the electron microscope (100) and dispensing the samples (1) on the grid (2) while holding it on the grid carriage (12) or on the grid holder device (20). Furthermore, an electron microscope (100) for electron microscopy imaging of samples is described.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: February 5, 2019
    Assignee: Scienion AG
    Inventors: Claude Dufresne, Holger Eickhoff
  • Publication number: 20170207062
    Abstract: A method of electron microscopy imaging of samples, using an electron microscope (100) having a microscope column (10) and a transfer device (11) with a grid carriage (12), comprises the steps of preparing multiple samples (1) on a single electron microscopy grid (2), including dispensing the samples (1) with a dispenser device (30) on distinct positions on the grid (2), introducing the grid (1) with the transfer device (11) into the microscope column (10), and electron microscopy imaging of the samples (1), wherein the preparing step includes holding the grid (2) on the grid carriage (12) of the transfer device (11) or on a grid holder device (20) provided at the electron microscope (100) and dispensing the samples (1) on the grid (2) while holding it on the grid carriage (12) or on the grid holder device (20). Furthermore, an electron microscope (100) for electron microscopy imaging of samples is described.
    Type: Application
    Filed: July 17, 2014
    Publication date: July 20, 2017
    Inventors: Claude DUFRESNE, Holger EICKHOFF
  • Patent number: 9334295
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: May 10, 2016
    Assignee: KANEQ PHARMA INC.
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Publication number: 20150045325
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: October 28, 2014
    Publication date: February 12, 2015
    Applicant: Kaneq Pharma Inc.
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Patent number: 8927526
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: January 6, 2015
    Assignee: Kaneq Pharma Inc.
    Inventors: John Colucci, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Patent number: 8685999
    Abstract: The invention is directed to ?-carboline sulphonylurea derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, inflammation, osteoarthritis, and rheumatoid arthritis. Pharmaceutical compositions and methods of use are also included.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: April 1, 2014
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Carl Berthelette, Michael Boyd, Jason Burch, Claude Dufresne, Julie Farand, Yongxin Han, Claudio F. Sturino
  • Publication number: 20130281365
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: July 12, 2013
    Publication date: October 24, 2013
    Inventors: John COLUCCI, Marie-Claire WILSON, Yongxin HAN, Claude DUFRESNE, Michel BELLEY, Cheuk K. LAU, Christopher BAYLY
  • Patent number: 8481742
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: July 9, 2013
    Assignee: Kaneq Pharma Inc.
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Publication number: 20120178679
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: March 13, 2012
    Publication date: July 12, 2012
    Applicant: KANEQ PHARMA INC.
    Inventors: John COLUCCI, Marie-Claire WILSON, Yongxin HAN, Claude DUFRESNE, Michel BELLEY, Cheuk K. LAU, Christopher BAYLY
  • Patent number: 8168815
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: May 1, 2012
    Assignee: Kaneq Pharma Inc.
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Publication number: 20110275660
    Abstract: The invention is directed to ?-carboline sulphonylurea derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, inflammation, osteoarthritis, and rheumatoid arthritis. Pharmaceutical compositions and methods of use are also included.
    Type: Application
    Filed: September 22, 2009
    Publication date: November 10, 2011
    Inventors: Carl Berthelette, Michael Boyd, Jason Burch, Claude Dufresne, Julie Farand, Yongxin Han, Claudio F. Sturino
  • Publication number: 20100137371
    Abstract: The instant invention provides compounds of Formula (I) which are leukotriene biosynthesis inhibitors. Compounds of formula (I) are useful as anti-asthmatic, anti-allergic, anti-inflammatory, cytoprotective and anti-artherosclerotic agents.
    Type: Application
    Filed: August 8, 2006
    Publication date: June 3, 2010
    Inventors: Carl Berthelette, Claude Dufresne, Lianhai Li, zhaoyin Wang
  • Publication number: 20100022477
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown (Formula I) above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Application
    Filed: January 24, 2008
    Publication date: January 28, 2010
    Inventors: John Colucci, Marie-Claire Wilson, Yongxin Han, Claude Dufresne, Michel Belley, Cheuk K. Lau, Christopher Bayly
  • Patent number: 7622501
    Abstract: The invention encompasses novel compounds of Formula I, which are nitric oxide-releasing prodrugs of diaryl-2-(5H)-furanones useful in the treatment of cyclooxygenase-2 mediated diseases, Formula (I). The invention also encompasses certain pharmaceutical compositions and methods for treating cyclooxygenase-2 mediated diseases comprising the use of compounds of Formula 1. The above compounds may be used as a combination therapy with low-dose aspirin to treat chronic cyclooxygenase-2 mediated diseases or conditions while also reducing the risk of thrombotic cardiovascular events.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: November 24, 2009
    Assignee: Merck Frosst Canada & Co.
    Inventors: Claude Dufresne, Carl Berthelette, Lianhai Li, Daniel Guay, Michel Gallant, Patrick Lacombe, Renee Aspiotis, Zhaoyin Wang, Claudio F. Sturino
  • Patent number: 7618979
    Abstract: Pyridopyrrolizine and pyridoindolizine derivatives are prostaglandin receptor antagonists useful for the treatment of prostaglandin-mediated diseases such as allergic rhinitis, nasal congestion and asthma.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: November 17, 2009
    Assignee: Merck Frosst Canada Ltd.
    Inventors: Yves Leblanc, Claude Dufresne, Patrick Roy
  • Publication number: 20080318310
    Abstract: This invention relates to an apparatus for streaking a sample on a media-coated (agar) plate in a predefined pattern utilizing a plate carousel system to house and retrieve a plate to a fixed location, a streaking mechanism having a floating stylus having a tip capable of gliding over the agar surface and depositing a sample onto the surface of the agar, a sample dispensing system and an optional wash station.
    Type: Application
    Filed: October 7, 2005
    Publication date: December 25, 2008
    Applicant: MERCK & CO., INC.
    Inventors: Claude Dufresne, Gary S. Kath, Gregory W. King, Prakash S. Masurekar, Salvatore J. Siciliano, Janet M. Sigmund, Neal R. Simpson, Stephen Skwish
  • Publication number: 20080242643
    Abstract: The invention encompasses novel compounds of Formula I, which are nitric oxide-releasing prodrugs of diaryl-2-(5H)-furanones useful in the treatment of cyclooxygenase-2 mediated diseases. Formula (I). The invention also encompasses certain pharmaceutical compositions and methods for treating cyclooxygenase-2 mediated diseases comprising the use of compounds of Formula 1. The above compounds may be used as a combination therapy with low-dose aspirin to treat chronic cyclooxygenase-2 mediated diseases or conditions while also reducing the risk of thrombotic cardiovascular events.
    Type: Application
    Filed: January 25, 2005
    Publication date: October 2, 2008
    Inventors: Claude Dufresne, Carl Berthelette, Lianhai Li, Daniel Guay, Michel Gallant, Patrick Lacombe, Renee Aspiotis, Zhaoyin Wang, Claudio F. Sturino
  • Publication number: 20080242722
    Abstract: The invention is directed to a method for treating a cyclooxygenase-2 mediated disease or condition in a mammalian patient at risk of a thrombotic cardiovascular event, wherein the patient is on aspirin therapy to reduce the risk of the thrombotic cardiovascular event, comprising orally concomitantly or sequentially administering to the patient a cyclooxygenase-2 selective inhibitor in an amount effective to treat the cyclooxygenase-2 mediate disease or condition, and a nitric oxide donating compound in accordance with Formula I or a pharmaceutically acceptable salt thereof, wherein the nitric oxide donating compound is administered in an amount effective to reduce the gastrointestinal toxicity caused by the combination of the cyclooxygenase-2 selective inhibitor and aspirin. Pharmaceutical compositions are also encompassed.
    Type: Application
    Filed: January 25, 2005
    Publication date: October 2, 2008
    Inventors: Claude Dufresne, Carl Berthelette, Lianhai Li, Daniel Guay, Michel Gallant, Patrick Lacombe, Renee Aspiotis, Zhaoyin Wang, Claudio Sturino
  • Patent number: 7199154
    Abstract: The invention encompasses novel compounds of Formula I, which are nitric oxide-releasing prodrugs of diaryl-2-(5H) furanones useful in the treatment of cyclooxygenase-2 mediated diseases. The invention also encompasses certain pharmaceutical compositions and methods for treatment of cyclooxygenase-2 mediated diseases comprising the use of compounds of Formula I.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: April 3, 2007
    Assignee: Merck Frosst Company
    Inventors: Carl Berthelette, Nicholas Lachance, Lianhai Li, Claudio Sturino, Zhaoyin Wang, Robert N. Young, Claude Dufresne
  • Patent number: 7163932
    Abstract: The invention encompasses the novel class of compounds represented by the formula below, which are inhibitors of the PTP-1B enzyme. The invention also encompasses pharmaceutical compositions which include the compounds shown above and methods of treating or preventing PTP-1B mediated diseases, including diabetes.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: January 16, 2007
    Assignee: Merck Frosst Canada & Co.
    Inventors: Claude Dufresne, Yves Leblanc, Cheuk K. Lau, Patrick Roy, Chun Sing Li