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).

  • C-21-keto lupane derivatives preparation and use thereof
    Patent number: 8431556
    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: Grant
    Filed: July 3, 2010
    Date of Patent: April 30, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Christophe Moinet, Marc Courchesne, Liliane Halab, Nathalie Chauret, Laval Chan Chun Kong
  • ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20130085150
    Abstract: Compounds represented by formula I or pharmaceutically acceptable salts thereof, wherein A, B, B?, X, Y, R1, R2, R2?, R3, R3?, R4, R4?, R5, R5?m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: September 24, 2012
    Publication date: April 4, 2013
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Oswy Z. Pereira, John Maxwell, Youssef L. Bennani, Sanjoy Kumar Das, Laval Chan Chun Kong, Jagadeeswar T. Reddy, Simon Giroux, Kevin M. Cottrell, Mark A. Morris
  • ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20130072523
    Abstract: Compounds represented by Formula I: (I) or pharmaceutically acceptable salts thereof, wherein A, B, B?, X, Y, R1, R2, R2?, R3, R3?, R4, R4?, R5?, R5?m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: December 27, 2010
    Publication date: March 21, 2013
    Applicant: VERTEX PHARMACEUTICALS INCORPORATED
    Inventors: Bingcan Liu, Carl Poisson, Laval Chan Chun Kong, Sanjoy Kumar Das, Constantin Yannopoulos, Caroline Cadilhac, T. Jagadeeswar Reddy, Louis Vaillancourt, Guy Falardeau, Oswy Z. Pereira, Monica Bubenik, John Maxwell
  • Compounds and methods for the treatment or prevention of flavivirus infections
    Patent number: 8357718
    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: February 4, 2008
    Date of Patent: January 22, 2013
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Nghe Nguyen-Ba, Liliane Halab, Bettina Hamelin, Oswy Z. Pereira, Carl Poisson, Melanie Proulx, Thumkunta Jagadeeswar Reddy, Zhang Ming-Qiang
  • Benzimidazole analogues for the treatment or prevention of flavivirus infections
    Patent number: 8354419
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: January 15, 2013
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: James A. Henderson, John Maxwell, Louis Vaillancourt, Mark Morris, Ronald Grey, Jr., Simon Giroux, Laval Chan Chun Kong, Sanjoy Kumar Das, Bingcan Liu, Carl Poisson, Caroline Cadilhac, Monica Bubenik, T. Jagadeeswar Reddy, Guy Falardeau, Constantin Yannopoulos, Jian Wang, Oswy Z. Pereira, Youssef L. Bennani, Albert C. Pierce, Govinda Rao Bhisetti, Kevin M. Cottrell, Valerie Marone
  • Compounds and methods for the treatment or prevention of infections
    Patent number: 8329924
    Abstract: The present invention provides novel compounds represented by formula I: or pharmaceutically acceptable salts thereof useful for treating flaviviridae viral infection.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: December 11, 2012
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Jean Bedard, Sanjoy Kumar Das, Nghe Nguyen-Ba, Oswy Z. Pereira, Thumkunta Jagadeeswar Reddy, Mohammad Arshad Siddiqui, Wuyi Wang, Constantin G. Yannopoulos
  • THIOPHENE ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20120301430
    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: August 10, 2012
    Publication date: November 29, 2012
    Applicant: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson, Constantin G. Yannopoulos, Guy Falardeau, Louis Vaillancourt, Real Denis
  • Thiophene analogues for the treatment or prevention of flavivirus infections
    Patent number: 8269014
    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: Grant
    Filed: June 29, 2011
    Date of Patent: September 18, 2012
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson, Constantin G. Yannopoulos, Guy Falardeau, Louis Vaillancourt, Real Denis
  • Lupane derivatives useful for treating HIV
    Patent number: 8269026
    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: Grant
    Filed: July 3, 2010
    Date of Patent: September 18, 2012
    Assignee: Vertex Pharmaceuticals Incorporated
    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
  • Compounds and Methods for the Treatment or Prevention of Flavivirus Infections
    Publication number: 20120164103
    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: March 9, 2012
    Publication date: June 28, 2012
    Applicant: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Real Denis, Carl Poisson, Sanjoy Kumar Das, Irina Motorina, Rabindra Rej, Constantin G. Yannopoulos, Laval Chan Chun Kong
  • Compounds and methods for the treatment or prevention of infections
    Patent number: 8158675
    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: July 24, 2009
    Date of Patent: April 17, 2012
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Real Denis, Carl Poisson, Sanjoy Kumar Das, Irina Motorina, Rabindra Rej, Constantin G. Yannopoulos, Laval Chan Chun Kong
  • THIOPHENE ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20120059170
    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: June 29, 2011
    Publication date: March 8, 2012
    Applicant: Vertex Pharmaceuticals ( Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson, Constantin G. Yannopoulos, Guy Falardeau, Louis Vaillancourt, Réal Denis
  • Spirotropane compounds
    Patent number: 8124613
    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: Grant
    Filed: June 14, 2007
    Date of Patent: February 28, 2012
    Assignee: Virochem Pharma Inc.
    Inventors: Christophe Moinet, Charles Blais, Monica Bubenik, Laval Chan Chun Kong, Marc Courchesne, Oswy Z. Pereira, Réal Denis, Louis Vaillancourt, Constantin G. Yannopoulos
  • Spirotropane compounds and methods for the modulation of chemokine receptor activity
    Patent number: 8076349
    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: Grant
    Filed: December 9, 2005
    Date of Patent: December 13, 2011
    Assignee: Virochem Pharma Inc.
    Inventors: Laval Chan Chun Kong, Christophe Moinet, Marc Courchesne, Louis Vaillancourt, Monica Bubenik
  • Vertical twist figure shaping machine
    Patent number: 8025616
    Abstract: A vertical twist figure shaping machine includes a base, a supporting unit, a tread, a U-shaped element and two handle units. The supporting unit is pivotally supported on the base. The tread is supported on the base. The U-shaped element includes a middle section connected to the supporting unit and two lateral sections extending from the middle section. Each of the handle units includes a bar, a primary handle and an auxiliary handle. The bar is pivotally connected to a related one of the lateral sections of the U-shaped element. The primary handle includes front and rear sections both extending from the bar with an obtuse angle defined between them. The auxiliary handle is transversely connected to the bar in front of the primary handle.
    Type: Grant
    Filed: May 2, 2010
    Date of Patent: September 27, 2011
    Assignee: Hito Health Tech Co., Ltd.
    Inventors: Chan Chun Hsu, Yung Shian Liu
  • Thiophene analogues for the treatment or prevention of flavivirus infections
    Patent number: 8003685
    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: Grant
    Filed: November 15, 2007
    Date of Patent: August 23, 2011
    Assignee: Vertex Pharmaceuticals (Canada) Incorporated
    Inventors: Laval Chan Chun Kong, Sanjoy Kumar Das, Carl Poisson, Constantin G. Yannopoulos, Guy Falardeau, Louis Vaillancourt, Réal Denis
  • COMPOUNDS AND METHODS FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20110200553
    Abstract: The present invention provides novel compounds represented by formula I: or pharmaceutically acceptable salts thereof useful for treating flaviviridae viral infection.
    Type: Application
    Filed: April 7, 2011
    Publication date: August 18, 2011
    Applicant: Vertex Pharmaceuticals Incorporated
    Inventors: Laval Chan Chun Kong, Jean Bedard, Sanjoy Kumar Das, Nghe Nguyen Ba, Oswy Z. Pereira, Thumkunta Jagadeeswar Reddy, Mohammed Arshad Siddiqui, Wuyi Wang, Constanin G. Yannopoulos
  • Compounds and methods for the treatment or prevention of infections
    Patent number: 7985769
    Abstract: The present invention provides novel compounds represented by formula I: or pharmaceutically acceptable salts thereof useful for treating flaviviridae viral infection.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: July 26, 2011
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: Laval Chan Chun Kong, Jean Bedard, Sanjoy Kumar Das, Nghe Nguyen Ba, Oswy Z. Pereira, Thumkunta Jagadeeswar Reddy, Mohammad Arshad Siddiqui, Wuyi Wang, Constanin Yannopoulos
  • BENZIMIDAZOLE ANALOGUES FOR THE TREATMENT OR PREVENTION OF FLAVIVIRUS INFECTIONS
    Publication number: 20110172238
    Abstract: Compounds represented by formula I: or pharmaceutically acceptable salts and solvates thereof, wherein A, B, B?, X, Y, R1, R1?, R2, R2?, R3, R3?, R5, R5?, R6, m, n, or p are as defined herein, are useful for treating flaviviridae viral infections.
    Type: Application
    Filed: July 16, 2010
    Publication date: July 14, 2011
    Inventors: James A. Henderson, John Maxwell, Louis Vaillancourt, Mark Morris, Ronald Grey, JR., Simon Giroux, Laval Chan Chun Kong, Sanjoy Kumar Das, Bingcan Liu, Carl Poisson, Caroline Cadilhac, Monica Bubenik, T. Jagadeeswar Reddy, Guy Falardeau, Constantin Yannopoulos, Jian Wang, Oswy Z. Pereira, Youssef L. Bennani, Albert C. Pierce, Govinda Rao Bhisetti, Kevin M. Cottrell, Valerie Marone
  • Spirotropane compounds and methods for the modulation of chemokine receptor activity
    Patent number: 7960403
    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: Grant
    Filed: December 9, 2005
    Date of Patent: June 14, 2011
    Assignee: Virochem Pharma Inc.
    Inventors: Laval Chan Chun Kong, Christophe Moinet, Marc Courchesne, Louis Vaillancourt, Charles Blais, Monica Bubenik