Patents by Inventor Shih-Yi Wei

Shih-Yi Wei 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).

  • INTERMEDIATES FOR THE SYNTHESIS OF BENZINDENE PROSTAGLANDINS AND PREPARATIONS THEREOF
    Publication number: 20130317245
    Abstract: Novel processes for preparing optically active cyclopentanones 1 which are useful for the preparation of benzindene Prostaglandins and novel cyclopentanones are provided. The invention also provides novel processes of preparing benzindene Prostaglandins and novel intermediates for benzindene Prostaglandins.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 28, 2013
    Applicant: CHIROGATE INTERNATIONAL INC.
    Inventors: Shih-Yi WEI, Min-Kuan HSU, Ming-Kun HSU
  • Processes for the preparation of optically active cyclopentenones and cyclopentenones prepared therefrom
    Patent number: 8546114
    Abstract: The present invention relates to novel processes for preparing optically active Cyclopentenones of Formula (R)-1, which are useful for the preparation of Prostaglandins and analogs thereof. The invention also relates to novel Cyclopentenones prepared from the processes.
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: October 1, 2013
    Assignee: Chirogate International Inc.
    Inventors: Yu-Chih Yeh, Ming-Kun Hsu, Shih-Yi Wei
  • Intermediates for the synthesis of benzindene prostaglandins and preparations thereof
    Patent number: 8524939
    Abstract: Novel processes for preparing optically active cyclopentanones 1 which are useful for the preparation of benzindene Prostaglandins and novel cyclopentanones are provided. The invention also provides novel processes of preparing benzindene Prostaglandins and novel intermediates for benzindene Prostaglandins.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: September 3, 2013
    Assignee: Chirogate International Inc.
    Inventors: Shih-Yi Wei, Min-Kuan Hsu, Ming-Kun Hsu
  • INTERMEDIATES FOR THE SYNTHESIS OF BENZINDENE PROSTAGLANDINS AND PREPARATIONS THEREOF
    Publication number: 20130053581
    Abstract: Novel processes for preparing optically active cyclopentanones 1 which are useful for the preparation of benzindene Prostaglandins and novel cyclopentanones are provided. The invention also provides novel processes of preparing benzindene Prostaglandins and novel intermediates for benzindene Prostaglandins.
    Type: Application
    Filed: August 24, 2011
    Publication date: February 28, 2013
    Inventors: Shih-Yi WEI, Min-Kuan Hsu, Ming-Kun Hsu
  • Processes for preparing cyclopentenones and cyclopentenones for the synthesis of benzindene prostaglandins
    Patent number: 8350090
    Abstract: The present invention provides novel processes of preparing racemic and optically active cyclopentenones of Formula I: The invention also provides novel cyclopentenones of formula I in racemic or optically active form.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: January 8, 2013
    Assignee: Chirogate International Inc.
    Inventors: Shih-Yi Wei, Wan-Chun Chang, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Patent number: 8030514
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and ?are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: October 4, 2011
    Assignee: Chirogate International Inc.
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF PROSTAGLANDINS
    Publication number: 20090299088
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Application
    Filed: August 11, 2009
    Publication date: December 3, 2009
    Inventors: Shih-Yi WEI, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Patent number: 7626024
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: December 1, 2009
    Assignee: Irogate International Inc.
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Patent number: 7582779
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: September 1, 2009
    Assignee: Chirogate International Inc.
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Patent number: 7511168
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: March 31, 2009
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Publication number: 20080039627
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Application
    Filed: October 9, 2007
    Publication date: February 14, 2008
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Publication number: 20080039637
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Application
    Filed: October 9, 2007
    Publication date: February 14, 2008
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • Processes and intermediates for the preparations of prostaglandins
    Publication number: 20070167641
    Abstract: The present invention provides novel processes for the preparation of a cyclopentanone of Formula II and a lactone of Formula I, which are useful in the production of prostaglandins: wherein Z, R2, R3, X1, X2, and are as defined in the specification. The invention also provides novel enantiomerically enriched compounds.
    Type: Application
    Filed: January 18, 2006
    Publication date: July 19, 2007
    Inventors: Shih-Yi Wei, Yu-Chih Yeh
  • Processes for the preparations of optically active cyclopentenones and cyclopentenones prepared therefrom
    Publication number: 20070166809
    Abstract: The present invention relates to novel processes for preparing optically active Cyclopentenones of Formula (R)-1, which are useful for the preparation of Prostaglandins and analogs thereof. The invention also relates to novel Cyclopentenones prepared from the processes.
    Type: Application
    Filed: January 18, 2006
    Publication date: July 19, 2007
    Inventors: Yu-Chih Yeh, Ming-Kun Hsu, Shih-Yi Wei