Patents by Inventor Peter Seongwoo Hwang

Peter Seongwoo Hwang 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).

  • Processes for the preparation of 1,2,4-oxadiazole benzoic acids
    Patent number: 8367841
    Abstract: Provided herein are processes for the preparation of compounds useful for the treatment, prevention or management of diseases associated with a nonsense mutation. More specifically, provided herein are processes for the synthesis of 1,2,4-oxadiazoles. In particular, provided herein are processes useful for the preparation of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: February 5, 2013
    Assignee: PTC Therapeutics, Inc.
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Seemon Pines, Young-Choon Moon, James J. Takasugi
  • PROCESSES FOR THE PREPARATION OF SUBSTITUTED TETRAHYDRO BETA-CARBOLINES
    Publication number: 20120136154
    Abstract: Provided herein are improved processes for the synthesis of substituted tetrahydro beta-carboline derivatives. In particular, provided herein are improved processes useful for the preparation of (S)-4-chlorophenyl 6-chloro-1-(4-methoxyphenyl)-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 31, 2012
    Inventors: Peter Seongwoo Hwang, Young-Choon Moon, Arasu Tamil, Hongyan Qi, Neil Almstead
  • HYDROXYLATED 1,2,4-OXADIAZOLE BENZOIC ACID COMPOUNDS, COMPOSITIONS THEREOF AND THEIR USE IN BIOASSAYS
    Publication number: 20120087896
    Abstract: Novel hydroxylated 1,2,4-oxadiazole benzoic acid compounds, methods of using and pharmaceutical compositions comprising a hydroxylated 1,2,4-oxadiazole benzoic acid derivative are disclosed. The methods include methods of treating or preventing a disease ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay, or ameliorating one or more symptoms associated therewith.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 12, 2012
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Young-Choon Moon, Ellen M. Welch
  • Hydroxylated 1,2,4-oxadiazole benzoic acid compounds and compositions thereof
    Patent number: 8101641
    Abstract: Novel hydroxylated 1,2,4-oxadiazole benzoic acid compounds, methods of using and pharmaceutical compositions comprising a hydroxylated 1,2,4-oxadiazole benzoic acid derivative are disclosed. The methods include methods of treating or preventing a disease ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay, or ameliorating one or more symptoms associated therewith.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: January 24, 2012
    Assignee: PTC Therapeutics, Inc.
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Young-Choon Moon, Ellen M. Welch
  • METHODS FOR TREATING HEPATITIS C
    Publication number: 20120009142
    Abstract: In accordance with the present invention, compounds that inhibit viral replication, preferably Hepatitis C Virus (HCV) replication, have been identified, and methods for their use provided. In one aspect of the invention, compounds useful in the treatment or prevention of a viral infection are provided. In another aspect of the invention, compounds useful in the treatment or prevention of HCV infection are provided.
    Type: Application
    Filed: June 13, 2011
    Publication date: January 12, 2012
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Christine Espiritu, Concetta Freund, Zhengxian Gu, Takashi Komatsu
  • METHODS FOR TREATING HEPATITIS C
    Publication number: 20110268698
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IBES activity.
    Type: Application
    Filed: June 13, 2011
    Publication date: November 3, 2011
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary M. KARP, Peter Seongwoo HWANG, James J. TAKASUGI, Hongyu REN, Richard Gerald WILDE, Anthony A. TURPOFF, Alexander AREFOLOV, Guangming CHEN, Jeffrey Allen CAMPBELL, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Methods for treating hepatitis C
    Patent number: 8013006
    Abstract: In accordance with the present invention, compounds that inhibit viral replication, preferably Hepatitis C Virus (HCV) replication, have been identified, and methods for their use provided. In one aspect of the invention, compounds useful in the treatment or prevention of a viral infection are provided. In another aspect of the invention, compounds useful in the treatment or prevention of HCV infection are provided.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: September 6, 2011
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Christine Espiritu, Concetta Freund, Zhengxian Gu, Takashi Komatsu
  • Methods for treating hepatitis C
    Patent number: 7973069
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: July 5, 2011
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary M. Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony A. Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Jin Zhu, Xiaoyan Zhang
  • METHODS FOR THE PRODUCTION OF FUNCTIONAL PROTEIN FROM DNA HAVING A NONSENSE MUTATION AND THE TREATMENT OF DISORDERS ASSOCICATED THEREWITH
    Publication number: 20110046136
    Abstract: The present invention relates to functional proteins encoded by nucleic acid sequences comprising a nonsense mutation. The present invention also relates to methods for the production of functional proteins encoded by nucleic acid sequences comprising a nonsense mutation and the use of such proteins for prevention, management and/or treatment of diseases associated with a nonsense mutation(s) in a gene.
    Type: Application
    Filed: March 29, 2007
    Publication date: February 24, 2011
    Applicant: THERAPEUTICS, INC.
    Inventors: Neil G. Almstead, Guangming Chen, Hirawat Samit, Peter Seongwoo Hwang, Gary M. Karp, Langdon Miller, Young-Choon Moon, Hongyu Ren, James J. Takasugi, Ellen M. Welch, Richard G. Wilde, Paul Kennedy
  • CRYSTALLINE FORMS OF 3-[5-(2-FLUOROPHENYL)-[1,2,4]OXADIAZOL-3-YL]-BENZOIC ACID
    Publication number: 20110040100
    Abstract: The present invention relates to crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid, pharmaceutical compositions and dosage forms comprising the crystalline forms, methods of making the crystalline forms and methods for their use for the treatment, prevention or management of diseases ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 17, 2011
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Young-Choon Moon
  • Methods for treating hepatitis C
    Patent number: 7868037
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: January 11, 2011
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James Jan Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Allan Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell
  • Crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-YL]-benzoic acid
    Patent number: 7863456
    Abstract: The present invention relates to crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid, pharmaceutical compositions and dosage forms comprising the crystalline forms, methods of making the crystalline forms and methods for their use for the treatment, prevention or management of diseases ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: January 4, 2011
    Assignee: PTC Therapeutics, Inc.
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Young-Choon Moon
  • METHODS FOR TREATING HEPATITIS C
    Publication number: 20100305100
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Application
    Filed: July 1, 2010
    Publication date: December 2, 2010
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • METHODS FOR TREATING HEPATITIS C
    Publication number: 20100292187
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Application
    Filed: June 14, 2010
    Publication date: November 18, 2010
    Applicant: PTC THERAPEUTICS, INC.
    Inventors: Gary M. Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony A. Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey A. Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Methods for treating hepatitis C
    Patent number: 7781478
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: August 24, 2010
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary M. Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony A. Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Jin Zhu, Xiaoyan Zhang
  • Methods for treating hepatitis C
    Patent number: 7772271
    Abstract: The present invention provides compounds, pharmaceutical compositions, and methods of using such compounds or compositions for treating infection by a virus, or for affecting viral IRES activity.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: August 10, 2010
    Assignee: PTC Therapeutics, Inc.
    Inventors: Gary Mitchell Karp, Peter Seongwoo Hwang, James J. Takasugi, Hongyu Ren, Richard Gerald Wilde, Anthony Turpoff, Alexander Arefolov, Guangming Chen, Jeffrey Allen Campbell, Chunshi Li, Steven Paget, Nanjing Zhang, Xiaoyan Zhang, Jin Zhu
  • Processes for the preparation of 1,2,4-oxadiazole benzoic acids
    Patent number: 7678922
    Abstract: Provided herein are processes for the preparation of compounds useful for the treatment, prevention or management of diseases associated with a nonsense mutation. More specifically, provided herein are processes for the synthesis of 1,2,4-oxadiazoles. In particular, provided herein are processes useful for the preparation of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: March 16, 2010
    Assignee: PTC Therapeutics, Inc.
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Seemon Pines, Young-Choon Moon, James J. Takasugi
  • PROCESSES FOR THE PREPARATION OF 1,2,4-OXADIAZOLE BENZOIC ACIDS
    Publication number: 20100063297
    Abstract: Provided herein are processes for the preparation of compounds useful for the treatment, prevention or management of diseases associated with a nonsense mutation. More specifically, provided herein are processes for the synthesis of 1,2,4-oxadiazoles. In particular, provided herein are processes useful for the preparation of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid.
    Type: Application
    Filed: November 13, 2009
    Publication date: March 11, 2010
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Seemon Pines, Young-Choon Moon, James J. Takasugi
  • Crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-YL]-benzoic acid
    Publication number: 20080171377
    Abstract: The present invention relates to crystalline forms of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid, pharmaceutical compositions and dosage forms comprising the crystalline forms, methods of making the crystalline forms and methods for their use for the treatment, prevention or management of diseases ameliorated by modulation of premature translation termination or nonsense-mediated mRNA decay.
    Type: Application
    Filed: September 24, 2007
    Publication date: July 17, 2008
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Young-Choon Moon
  • Processes for the preparation of 1,2,4-oxadiazole benzoic acids
    Publication number: 20080139818
    Abstract: Provided herein are processes for the preparation of compounds useful for the treatment, prevention or management of diseases associated with a nonsense mutation. More specifically, provided herein are processes for the synthesis of 1,2,4-oxadiazoles. In particular, provided herein are processes useful for the preparation of 3-[5-(2-fluorophenyl)-[1,2,4]oxadiazol-3-yl]-benzoic acid.
    Type: Application
    Filed: September 6, 2007
    Publication date: June 12, 2008
    Inventors: Neil G. Almstead, Peter Seongwoo Hwang, Seemon Pines, Young-Choon Moon, James J. Takasugi