Patents by Inventor Yuanlian Liu

Yuanlian Liu 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 preparation of lubiprostone
    Patent number: 9012662
    Abstract: Intermediates of the following formulae for the preparation of lubiprostone:
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: April 21, 2015
    Assignee: ScinoPharm (Kunshan) Biochemical Technology Co., Ltd.
    Inventors: Julian Paul Henschke, Yuanlian Liu, Lizhen Xia, Yung-Fa Chen
  • INTERMEDIATES FOR THE PREPARATION OF LUBIPROSTONE
    Publication number: 20150005528
    Abstract: Intermediates of the following formulae for the preparation of lubiprostone:
    Type: Application
    Filed: August 21, 2014
    Publication date: January 1, 2015
    Inventors: Julian Paul HENSCHKE, Yuanlian LIU, Lizhen XIA, Yung-Fa CHEN
  • Process for the preparation of lubiprostone
    Patent number: 8846958
    Abstract: Processes for preparing and purifying lubiprostone are disclosed. Intermediates and preparation thereof are also disclosed.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: September 30, 2014
    Assignee: Scinopharm (Kunshan) Biochemical Technology Co., Ltd.
    Inventors: Julian Paul Henschke, Yuanlian Liu, Lizhen Xia, Yung-Fa Chen
  • Process for the preparation of prostaglandin analogues
    Patent number: 8742143
    Abstract: A process for preparing a prostaglandin analogue comprising a step of converting a compound of formula (8?): to the prostaglandin analogue, wherein R3 represents hydrogen or a hydroxyl protecting group.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: June 3, 2014
    Assignee: Scinopharm Taiwan, Ltd.
    Inventors: Julian P. Henschke, Yuanlian Liu, Yung-Fa Chen, Dechao Meng, Ting Sun
  • Process and intermediates for preparing lapatinib
    Patent number: 8563719
    Abstract: The present invention provides a process for making lapatinib and its pharmaceutically acceptable salt by use of new intermediates. A new process for obtaining a pharmaceutical form of lapatinib ditosylate monohydrate is also provided.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 22, 2013
    Assignee: Scinopharm Taiwan, Ltd.
    Inventors: Yung-Fa Chen, Julian Paul Henschke, Yuanlian Liu, Guodong Chu, Xiaoheng Zhang
  • PROCESS FOR THE PREPARATION OF LUBIPROSTONE
    Publication number: 20130225842
    Abstract: Processes for preparing and purifying lubiprostone are disclosed. Intermediates and preparation thereof are also disclosed.
    Type: Application
    Filed: November 16, 2010
    Publication date: August 29, 2013
    Inventors: Julian Paul Henschke, Yuanlian Liu, Lizhen Xia, Yung-Fa Chen
  • Process for the Preparation of Prostaglandin Analogues
    Publication number: 20130211128
    Abstract: A process for preparing a prostaglandin analogue comprising a step of converting a compound of formula (8?): to the prostaglandin analogue, wherein R3 represents hydrogen or a hydroxyl protecting group.
    Type: Application
    Filed: March 27, 2013
    Publication date: August 15, 2013
    Applicant: SCINOPHARM TAIWAN LTD.
    Inventors: Julian P. HENSCHKE, Yuanlian LIU, Yung-Fa CHEN, Dechao MENG, Ting SUN
  • Process for the preparation of prostaglandin analogues and intermediates thereof
    Patent number: 8436194
    Abstract: The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): R1 represents H, C1-C5-alkyl, or benzyl, in particular isopropyl.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: May 7, 2013
    Assignee: ScinoPharm Taiwan, Ltd.
    Inventors: Julian P. Henschke, Yuanlian Liu, Yung-Fa Chen, Dechao Meng, Ting Sun
  • Process and Intermediates for Preparing Lapatinib
    Publication number: 20130005971
    Abstract: The present invention provides a process for making lapatinib and its pharmaceutically acceptable salt by use of new intermediates. A new process for obtaining a pharmaceutical form of lapatinib ditosylate monohydrate is also provided.
    Type: Application
    Filed: March 23, 2011
    Publication date: January 3, 2013
    Applicant: ScinoPharm Taiwan, Ltd.
    Inventors: Yung-Fa Chen, Julian Paul Henschke, Yuanlian Liu, Guodong Chu, Xiaoheng Zhang
  • Process for the Preparation of Prostaglandin Analogues and Intermediates Thereof
    Publication number: 20110130577
    Abstract: The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): R1 represents H, C1-C5-alkyl, or benzyl, in particular isopropyl.
    Type: Application
    Filed: October 15, 2010
    Publication date: June 2, 2011
    Inventors: Julian P. Henschke, Yuanlian Liu, Yung-Fa Chen, Dechao Meng, Ting Sun
  • Process for the preparation of prostaglandin analogues and intermediates thereof
    Patent number: 7897795
    Abstract: The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): R1 represents H, C1-C5-alkyl, or benzyl, in particular isopropyl.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: March 1, 2011
    Assignee: Scinopharm Taiwan Ltd.
    Inventors: Julian P. Henschke, Yuanlian Liu, Yung-Fa Chen, Dechao Meng, Ting Sun
  • Process for the Preparation of Prostaglandin Analogues and Intermediates Thereof
    Publication number: 20090259058
    Abstract: The present application provides intermediates for preparing prostaglandin analogues and processes for preparing prostaglandin analogues and intermediates thereof. The intermediates include: A compound of formula (6): R1 represents H, C1-C5-alkyl, or benzyl, in particular isopropyl.
    Type: Application
    Filed: April 9, 2009
    Publication date: October 15, 2009
    Inventors: Julian P. Henschke, Yuanlian Liu, Yung-Fa Chen, Dechao Meng, Ting Sun