Patents by Inventor Tsung-Hsun Chuang

Tsung-Hsun Chuang 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: 9562017
    Abstract: The present invention relates to Compound 1 hydrogen sulfate salt and solvates, crystalline forms and amorphous forms thereof, and to processes for their preparation.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: February 7, 2017
    Assignees: AsrtaZeneca AB, Array BioPharma Inc.
    Inventors: John DeMattei, Tsung-Hsun Chuang, Gorkhn Sharma-Singh, Paul Alfred Dickinson, Mohammed Pervez, Richard Anthony Storey, Christopher John Squire, James Gair Ford, Ronald John Roberts
  • Publication number: 20160024018
    Abstract: The present invention relates to Compound 1 hydrogen sulfate salt and solvates, crystalline forms and amorphous forms thereof, and to processes for their preparation.
    Type: Application
    Filed: April 28, 2015
    Publication date: January 28, 2016
    Inventors: John DeMattei, Tsung-Hsun Chuang, Gorkhn Sharma-Singh, Paul Alfred Dickinson, Mohammed Pervez, Richard Anthony Storey, Christopher John Squire, James Gair Ford, Ronald John Roberts
  • Patent number: 9156795
    Abstract: The present invention relates to Compound 1 hydrogen sulfate salt and solvates, crystalline forms and amorphous forms thereof, and to processes for their preparation.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: October 13, 2015
    Assignees: Array BioPharma, Inc., Astrazeneca AB
    Inventors: John DeMattei, Tsung-Hsun Chuang, Christopher John Squire, Ronald John Roberts, Gorkhn Sharma-Singh, Mohammed Pervez, James Gair Ford, Richard Anthony Storey, Paul Alfred Dickinson
  • Publication number: 20150210625
    Abstract: The present invention relates to processes and intermediates useful in the preparation of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine (lorcaserin), a serotonin (5-HT) receptor modulator that is useful in the treatment of, for example, central nervous system disorders, such as obesity.
    Type: Application
    Filed: December 23, 2014
    Publication date: July 30, 2015
    Inventors: John A. DeMattei, Carlos Marlon, Ryan O. Castro, Tsung-Hsun Chuang, Mark Allen Hadd, Xiao-Xiong Lu, Mark Macias, Stephen M. Shaw
  • Patent number: 8952197
    Abstract: The present invention relates to processes and intermediates useful in the preparation of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine (lorcaserin), a serotonin (5-HT) receptor modulator that is useful in the treatment of for example, central nervous system disorders, such as obesity.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: February 10, 2015
    Assignee: Arena Pharmaceuticals, Inc.
    Inventors: John A. DeMattei, Carlos Marlon, Ryan O. Castro, Tsung-Hsun Chuang, Mark Allen Hadd, Xiao-Xiong Lu, Mark Macias, Stephen M. Shaw
  • Publication number: 20140221443
    Abstract: The present invention relates to Compound 1 hydrogen sulfate salt and solvates, crystalline forms and amorphous forms thereof, and to processes for their preparation.
    Type: Application
    Filed: January 10, 2014
    Publication date: August 7, 2014
    Applicants: Astrazeneca AB, Array BioPharma Inc.
    Inventors: John DeMattei, Tsung-Hsun Chuang, Gorkhn Sharma-Singh, Paul Alfred Dickinson, Mohammed Pervez, Richard Anthony Storey, Christopher John Squire, James Gair Ford, Ronald John Roberts
  • Publication number: 20120253049
    Abstract: The present invention relates to Compound 1 hydrogen sulfate salt and solvates, crystalline forms and amorphous forms thereof, and to processes for their preparation.
    Type: Application
    Filed: May 3, 2012
    Publication date: October 4, 2012
    Inventors: John DeMattei, Tsung-Hsun Chuang, Christopher John Squire, Ronald John Roberts, Gorkhn Sharma-Singh, Mohammed Pervez, James Gair Ford, Richard Anthony Storey, Paul Alfred Dickinson
  • Publication number: 20120225937
    Abstract: The present invention relates to salts of 2-(2-((4-(((4-chlorophenyl)(phenyl)-carbamoyloxy)methyl)cyclohexyl)methoxy)acetamido)ethanesulfonic acid (Compound 1) and crystalline forms, solvates and hydrates thereof. The present invention further relates to processes and intermediates useful in the preparation of Compound I and salts, solvates and hydrates thereof.
    Type: Application
    Filed: September 21, 2010
    Publication date: September 6, 2012
    Applicant: Arena Pharmaceuticals, Inc.
    Inventors: Anthony C. Blackburn, Sagar Raj Shakya, John A. DeMattei, Tsung-Hsun Chuang
  • Publication number: 20120142967
    Abstract: The present invention relates to processes and intermediates useful in the preparation of (R)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine (lorcaserin), a serotonin (5-HT) receptor modulator that is useful in the treatment of, for example, central nervous system disorders, such as obesity.
    Type: Application
    Filed: June 17, 2010
    Publication date: June 7, 2012
    Inventors: John A. DeMattei, Marlon Carlos, Ryan O. Castro, Tsung-Hsun Chuang, Mark Allen Hadd, Xiao-Xiong Lu, Mark Macias, Stephen M. Shaw
  • Publication number: 20100016393
    Abstract: The present invention relates to Compound 1 hydrogen sulfate salt and solvates, crystalline forms and amorphous forms thereof, and to processes for their preparation.
    Type: Application
    Filed: December 12, 2006
    Publication date: January 21, 2010
    Inventors: John DeMattei, Tsung-Hsun Chuang, Christopher John Squire, Ronald John Roberts, Gorkhn Sharma-Singh, Mohammed Pervez, James Gair Ford, Richard Anthony Storey, Paul Alfred Dickinson