Patents by Inventor Piin-Jye Harn

Piin-Jye Harn 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).

  • Crystalline polymorph of 7-ethyl-10-hydroxycamptothecin
    Patent number: 8138343
    Abstract: A crystalline polymorph of 7-ethyl-10-hydroxycamptothecin exhibiting an X-ray diffraction pattern having peaks at 10.9±0.2, 13.2±0.2, 23.9±0.2, and 26.1±0.2 2-theta degree.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: March 20, 2012
    Assignee: ScinoPharm Taiwan Ltd.
    Inventors: Shu-Ping Chen, Piin-Jye Harn
  • Crystalline forms of topotecan hydrochloride and processes for making the same
    Patent number: 8013158
    Abstract: Novel crystalline forms of topotecan hydrochloride and processes of making the same are disclosed.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: September 6, 2011
    Assignee: Scinopharm Taiwan Ltd.
    Inventors: Tsung-Cheng Hu, Shu-Ping Chen, Piin-Jye Harn, Chia-Lin Charlene Shieh
  • Process for making topotecan
    Patent number: 7977483
    Abstract: A process of making topotecan or a pharmaceutically acceptable salt thereof comprising reacting an iminium salt with 10-hydroxy-camptothecin.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: July 12, 2011
    Assignee: Scinopharm Taiwan, Ltd.
    Inventors: Tsung-Cheng Hu, Piin-Jye Harn
  • Process for making topotecan
    Publication number: 20090221826
    Abstract: A process of making topotecan or a pharmaceutically acceptable salt thereof comprising reacting an iminium salt with 10-hydroxy-camptothecin.
    Type: Application
    Filed: April 9, 2008
    Publication date: September 3, 2009
    Applicant: ScinoPharm Taiwan, Ltd.
    Inventors: Tsung-Cheng Hu, Piin-Jye Harn
  • Crystalline polymorph of 7-ethyl-10-hydroxycamptothecin
    Publication number: 20090012111
    Abstract: A crystalline polymorph of 7-ethyl-10-hydroxycamptothecin exhibiting an X-ray diffraction pattern having peaks at 10.9±0.2, 13.2±0.2, 23.9±0.2, and 26.1±0.2 2-theta degree.
    Type: Application
    Filed: June 24, 2008
    Publication date: January 8, 2009
    Applicant: ScinoPharm Taiwan Ltd.
    Inventors: Shu-Ping Chen, Piin-Jye Harn
  • Crystalline forms of topotecan hydrochloride and processes for making the same
    Publication number: 20080269493
    Abstract: Novel crystalline forms of topotecan hydrochloride and processes of making the same are disclosed.
    Type: Application
    Filed: April 14, 2008
    Publication date: October 30, 2008
    Applicant: ScinoPharm Taiwan Ltd.
    Inventors: Tsung-Cheng Hu, Piin-Jye Harn, Shu-Ping Chen, Chia-Lin Charlene Shieh
  • Crystal forms of irinotecan hydrochloride
    Patent number: 7435818
    Abstract: The present invention provides for novel crystalline forms of irinotecan hydrochloride and processes for their preparation, pharmaceutical compositions containing the novel forms and methods for treating metastatic carcinoma of the colon or rectum using same.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: October 14, 2008
    Assignee: Scinopharm Taiwan, Ltd.
    Inventors: Shu-Ping Chen, Piin-Jye Harn
  • Novel crystal forms of irinotecan hydrochloride
    Publication number: 20070072890
    Abstract: The present invention provides for novel crystalline forms of irinotecan hydrochloride and processes for their preparation, pharmaceutical compositions containing the novel forms and methods for treating metastatic carcinoma of the colon or rectum using same.
    Type: Application
    Filed: September 19, 2006
    Publication date: March 29, 2007
    Applicant: ScinoPharm PTE, Ltd.
    Inventors: Shu-Ping Chen, Piin-Jye Harn