Patents by Inventor Jiong Jack Chen

Jiong Jack Chen 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).

  • Method for the preparation of oxazolidinones
    Patent number: 6774231
    Abstract: The present invention relates to a process for making a compound of structure 4 which comprises reacting a compound of structure 1 with vinyl sulfone in the presence of a Lewis-acid at a temperature in a range of from 40° C. to 170° C., wherein each R1 is independently H, fluoro, chloro or bromo.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: August 10, 2004
    Assignee: Pharmacia & Upjohn Company
    Inventors: Jiong Jack Chen, Cuong V. Lu
  • Process to prepare (2S)-2-(dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide
    Patent number: 6576769
    Abstract: The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide which is a useful pharmaceutical agent.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: June 10, 2003
    Assignee: Pharmacia & Upjohn Company
    Inventors: Jiong Jack Chen, Arthur Glenn Romero, Styrbjorn Bystrom
  • Method for the preparation of oxazolidinones
    Publication number: 20030004160
    Abstract: The present invention relates to a method for the production of N-({(5S)-3-[4-(1,1-dioxido-4-thiomorpholinyl)-3,5-difluorophenyl]-2-oxo-1,3-oxazolidin-5-yl}methyl)acetamide or its pharmaceutically acceptable salt.
    Type: Application
    Filed: April 15, 2002
    Publication date: January 2, 2003
    Inventors: Jiong Jack Chen, Cuong V. Lu
  • Process to prepare (2S)-2-(dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide
    Publication number: 20020151750
    Abstract: The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6 -ethoxy-2,3-dihydro-1H-indene-5-carboxarnide 1
    Type: Application
    Filed: June 6, 2002
    Publication date: October 17, 2002
    Inventors: Jiong Jack Chen, Arthur Glenn Romero, Styrbjorn Bystrom
  • Process to prepare (2S)-2-(dipropylamino)-6-ethoxy-2, 3-dihydro-1H-indene-5-carboxamide
    Patent number: 6462234
    Abstract: The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide which is a useful pharmaceutical agent.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: October 8, 2002
    Assignee: Pharmacia & Upjohn Company
    Inventors: Jiong Jack Chen, Arthur Glenn Romero, Styrbjorn Bystrom
  • Process to prepare (2S)-2-(dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide
    Publication number: 20020107418
    Abstract: The present invention is a process, including intermediates, to produce (2S)-2-dipropylamino)-6-ethoxy-2,3-dihydro-1H-indene-5-carboxamide 1
    Type: Application
    Filed: September 14, 2001
    Publication date: August 8, 2002
    Inventors: Jiong Jack Chen, Arthur Glenn Romero, Styrbjorn Bystrom