Patents by Inventor Chan Chun

Chan Chun 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).

  • SPIROTROPANE COMPOUNDS
    Publication number: 20110105546
    Abstract: Compounds according to formula (I): wherein R1, R2, R3, n and X are defined as defined herein, and the pharmaceutically acceptable salts, hydrates and solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity. Additionally, compounds according to Formula III: wherein Z, R?1, and R?2 are defined as defined herein, and the pharmaceutically acceptable salts, hydrates and solvates thereof, are useful as intermediates for production of compounds that modulate CCR5 chemokine receptor activity.
    Type: Application
    Filed: June 14, 2007
    Publication date: May 5, 2011
    Inventors: Christophe Moinet, Charles Blas, Monica Bubenik, Laval Chan Chun Kong, Marc Courchesne, Oswy Pereira, Réal Denis, Louis Vaillancourt, Constantin Yannopoulos
  • NOVEL 17 BETA LUPANE DERIVATIVES
    Publication number: 20110077251
    Abstract: The invention relates to 17? lupane derivatives of formula (I): wherein R1 and X are as defined herein, and pharmaceutically acceptable salts and solvates thereof. These compounds exhibit significant anti-HIV activity. Thus, the invention also relates to methods for prevention or treatment of HIV infection by administering therapeutically effective amounts of a compound of formula (I), or a pharmaceutically acceptable salt or solvate thereof to a subject in need of such treatment.
    Type: Application
    Filed: August 16, 2010
    Publication date: March 31, 2011
    Inventors: Christophe Moinet, Bingcan Liu, Liliane Halab, Nathalie Turcotte, Real Denis, Carl Poisson, Paul Nguyen-Ba, Monica Bubenik, Laval Chan Chun Kong
  • NOVEL C-21-KETO LUPANE DERIVATIVES PREPARATION AND USE THEREOF
    Publication number: 20110077228
    Abstract: The invention relates to 21-keto triterpene compounds of formula (I): wherein R1, X and Y are as defined herein, and pharmaceutically acceptable salts and solvates thereof. These compounds exhibit significant anti-HIV activity. Thus, the invention also relates to methods for prevention or treatment of HIV infections by administering therapeutically effective amounts of a compound of formula (I), or a pharmaceutically acceptable salt or solvate thereof to a subject in need of such treatment.
    Type: Application
    Filed: July 3, 2010
    Publication date: March 31, 2011
    Inventors: Christophe Moinet, Marc Courchesne, Lilliane Halab, Nathalie Chauret, Laval Chan Chun Kong
  • NOVEL LUPANE DERIVATIVES
    Publication number: 20110077227
    Abstract: The invention relates to 21-keto triterpene compounds of formula (I): wherein R1, X, and Y are as defined herein, and pharmaceutically acceptable salts and solvates thereof. These compounds exhibit significant anti-HIV activity. Thus, the invention also relates to methods for prevention or treatment of HIV infections by administering therapeutically effective amounts of a compound of formula (I), or a pharmaceutically acceptable salt or solvate thereof to a subject in need of such treatment.
    Type: Application
    Filed: July 3, 2010
    Publication date: March 31, 2011
    Inventors: Christophe Moinet, Liliane Halab, Nathalie Turcotte, Monica Bubenik, Marc Courchesne, Carl Poisson, Oswy Z. Pereira, Paul Nguyen-Ba, Bingcan Liu, Nathalie Chauret, Caroline Cadilhac, Laval Chan Chun Kong
  • SPIROHYDANTOIN COMPOUNDS AND METHODS FOR THE MODULATION OF CHEMOKINE RECEPTOR ACTIVITY
    Publication number: 20100286183
    Abstract: Novel compounds represented by formula (I): wherein R1, R2, R3 and R4 are as defined herein, and pharmaceutically acceptable salts, hydrates and solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity.
    Type: Application
    Filed: April 8, 2010
    Publication date: November 11, 2010
    Inventors: Laval CHAN CHUN KONG, Christophe Moinet, Louis Vaillancourt, Monica Bubenik
  • Spirohydantoin compounds and methods for the modulation of chemokine receptor activity
    Patent number: 7709642
    Abstract: Novel compounds represented by formula (I): wherein R1, R2, R3 and R4 are as defined herein, and pharmaceutically acceptable salts, hydrates and solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: May 4, 2010
    Assignee: Virochem Pharma, Inc.
    Inventors: Laval Chan Chun Kong, Christophe Moinet, Louis Vaillancourt, Monica Bubenik
  • COMPOUNDS AND METHODS FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20100093775
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein R1, X, Y, Y1, and Z are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: July 24, 2009
    Publication date: April 15, 2010
    Applicant: VIROCHEM PHARMA INC.
    Inventors: Real DENIS, Carl Poisson, Sanjoy Kumar Das, Irina Motorina, Rabindra Rej, Constatin G. Yannopoulos, Laval Chan Chun Kong
  • Compounds and methods for the treatment of prevention of infections
    Patent number: 7569600
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein R1, X, Y, Y1, and Z are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: August 4, 2009
    Assignee: ViroChem Pharma Inc.
    Inventors: Real Denis, Carl Poisson, Sanjoy Kumar Das, Irina Motorina, Rabindra Rej, Constantin G. Yannopoulos, Laval Chan Chun Kong
  • Novel Spirotropane Compounds And Methods For The Modulation Of Chemokine Receptor Activity
    Publication number: 20090047238
    Abstract: Compounds according to formula, (I): wherein A, R1 and R2 are as defined herein, and the pharmaceutically acceptable salts, hydrates and solvates thereof are useful for the modulation of CCR5 chemokine receptor activity.
    Type: Application
    Filed: December 9, 2005
    Publication date: February 19, 2009
    Inventors: Laval Chan Chun Kong, Christophe Moinet, Marc Courchesne, Louis Vaillancourt, Monica Bubenik
  • Thiophene analogues for the treatment or prevention of flavivirus infections
    Publication number: 20080299080
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein R1, X, Y, and Z are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: November 15, 2007
    Publication date: December 4, 2008
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson, Constantin G. Yannopoulos, Guy Falardeau, Louis Vaillancourt, Real Denis
  • Compounds and methods for the treatment or prevention of Flavivirus infections
    Publication number: 20080269481
    Abstract: Compounds represented by formula: wherein X, Y and Z are as defined herein, pharmaceutically acceptable salts thereof, and related compounds, are suitable for use in treating or preventing a Flaviviridae viral infection in a host.
    Type: Application
    Filed: February 4, 2008
    Publication date: October 30, 2008
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Nghe Nguyen-Ba, Liliane Halab, Bettina Hamelin, Oswy Z. Pereira, Carl Poisson, Melaine Proulx, Thumkunta Jagadeeswar Reddy, Zhang Ming-Qiang
  • Novel Spirotropane Compounds and Methods for the Modulation of Chemokine Receptor Activity
    Publication number: 20080267906
    Abstract: Compounds according to formula (I): wherein A, R1, R2 and R3 are defined as defined herein, and the pharmaceutically acceptable salts, hydrates and solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity.
    Type: Application
    Filed: December 9, 2005
    Publication date: October 30, 2008
    Inventors: Laval Chan Chun Kong, Christophe Moinet, Marc Courchesne, Louis Vaillancourt, Charles Blais, Monica Bubenik
  • METHOD AND APPARATUS FOR REDUCING CALL SETUP DELAY BY INCLUDING INTERFERENCE INFORMATION IN PAGING MESSAGE
    Publication number: 20080207228
    Abstract: An apparatus and method for reducing call setup time of a wireless communication device including determining an uplink interference information, including the uplink interference information in a paging message to be sent on a Common Control Channel and sending the paging message on the Common Control Channel. In one aspect, the paging message is received, the uplink interference information from the received paging message is obtained, and a RRC connection request message is sent in response to the received paging message.
    Type: Application
    Filed: January 29, 2008
    Publication date: August 28, 2008
    Applicant: QUALCOMM Incorporated
    Inventors: Amer Catovic, Alvin Siu-Chung Ng, Mohit Narang, Chan Chun Chung Patrick
  • METHOD AND APPARATUS FOR REDUCING CALL SETUP DELAY BY IMPROVED SIB7 AND SIB14 SCHEDULING
    Publication number: 20080182577
    Abstract: An apparatus and method for reducing call setup time of a wireless communication device including determining empty slots on a Common Control Channel where no SIB blocks or MIB blocks are scheduled therein and scheduling SIB7 or SIB 14 blocks in the empty slots to reduce call setup time. In one aspect, the uplink interference level contained in the SIB7 or SIB14 block is piggy-backed on SIB blocks other than SIB7 or SIB14 blocks.
    Type: Application
    Filed: January 29, 2008
    Publication date: July 31, 2008
    Applicant: QUALCOMM Incorporated
    Inventors: Alvin Siu-Chung Ng, Amer Catovic, Mohit Narang, Chan Chun Chung Patrick
  • METHOD AND APPARATUS FOR REDUCING CALL SETUP DELAY BY ADJUSTING SIB7 AND SIB14 SCHEDULING FREQUENCY
    Publication number: 20080182571
    Abstract: An apparatus and method for reducing call setup time of a wireless communication device including measuring paging intensity, and adjusting SIB7 or SIB14 repetition period based on the measured paging intensity to reduce call setup time. In one aspect, a paging intensity threshold is determined based on the measured paging intensity, and the paging intensity threshold is used to adjust the SIB7 or SIB14 repetition period.
    Type: Application
    Filed: January 29, 2008
    Publication date: July 31, 2008
    Applicant: QUALCOMM Incorporated
    Inventors: Chan Chun Chung Patrick, Amer Catovic, Mohit Narang, Alvin Siu-Chung Ng
  • Compounds and methods for the treatment or prevention of infections
    Patent number: 7402608
    Abstract: Compounds represented by formula: wherein X, Y and Z are as defined herein, pharmaceutically acceptable salts thereof, and related compounds, are suitable for use in treating or preventing a Flaviviridae viral infection in a host.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: July 22, 2008
    Assignee: ViroChem Pharma Inc.
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Nghe Nguyen-Ba, Liliane Halab, Oswy Z. Pereira, Carl Poisson, Melanie Proulx, Thumkunta Jagadeeswar Reddy, Zhang Ming-Qiang
  • Spirohydantoin compounds and methods for the modulation of chemokine receptor activity
    Patent number: 7351713
    Abstract: Compounds of formula I wherein R1, R2, R3, R4 and R5 are as defined herein, or pharmaceutically acceptable salts, hydrates or solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: April 1, 2008
    Assignee: Viro Chem Pharma, Inc.
    Inventors: Laval Chan Chun Kong, Ming-Qiang Zhang, Christophe Moinet, Marc Courchesne, Thumkunta Jagadeeswar Reddy, Melanie Proulx
  • Spiro compounds and methods for the modulation of chemokine receptor activity
    Patent number: 7288548
    Abstract: Compounds of formula I wherein X, Y, Z, W, R1 and R2 as defined herein, or pharmaceutically acceptable salts, hydrates or solvates thereof, are useful for the modulation of CCR5 chemokine receptor activity.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: October 30, 2007
    Assignee: ViroChem Pharma, Inc.
    Inventors: Laval Chan Chun Kong, Ming-Qiang Zhang, Christophe Moinet, Marc Courchesne, Thumkunta Jagadeeswar Reddy
  • Nonstop service system using voting, and information updating and providing method in the same
    Publication number: 20060282435
    Abstract: A nonstop service system using voting and a method for updating and providing information in the nonstop service system. The nonstop service system includes a plurality of groups of nodes for storing and managing information on the basis of identifiers for distinguishing clients, each group including a plurality of nodes each of which is capable of storing and managing information independently. The nonstop service system further includes a control dispatcher server, which is located between the group of nodes and the clients and manages state information and connection information of the nodes belonging to the plurality of groups of nodes.
    Type: Application
    Filed: August 24, 2006
    Publication date: December 14, 2006
    Inventors: Jang Moon, Jung Moon, Chan Chun
  • Compounds and methods for the treatment or prevention of Flavivirus infections
    Publication number: 20060276533
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein R1, X, Y, Y1, and Z are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: May 15, 2006
    Publication date: December 7, 2006
    Inventors: Real Denis, Carl Poisson, Sanjoy Das, Irina Motorina, Rabindra Rej, Constantin Yannopoulos, Laval Chan Chun Kong