Patents by Inventor Hu Pan

Hu Pan 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: 9527804
    Abstract: The present invention provides a key new intermediate (a compound of formula III) of 4-benzyl-1-phenethyl-piperazine-2,6-dione (formula IV compound), a pharmaceutically acceptable salt thereof and a preparation method thereof. The present invention additionally discloses a method for preparing 4-benzyl-1-phenethyl-piperazine-2,6-dione (formula IV compound) from the formula III compound, said method overcoming the shortcomings of current formula IV compound preparation methods, such as low production volumes, low purity, high energy consumption, high costs, and inability to achieve industrialized production, and provides a formula IV compound preparation method which is simple, economical, environmentally-friendly and easy to produce industrially; the reaction solvent of the method is easily recycled and the method can produce the formula IV compound at high production rates and with high purity.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: December 27, 2016
    Assignees: Zhejiang Hisun Pharmaceutical Co., Ltd., Shanghai Institute of Pharmaceutical Industry
    Inventors: Fuli Zhang, Zhezhou Yang, Rusheng Bao, Pengcheng Qiu, Linyong Jin, Hu Pan, Linyu Pan, Dongming Jiang, Weiwei Xu
  • Publication number: 20160130218
    Abstract: The present invention provides a key new intermediate (a compound of formula III) of 4-benzyl-1-phenethyl-piperazine-2,6-dione (formula IV compound), a pharmaceutically acceptable salt thereof and a preparation method thereof. The present invention additionally discloses a method for preparing 4-benzyl-1-phenethyl-piperazine-2,6-dione (formula IV compound) from the formula III compound, said method overcoming the shortcomings of current formula IV compound preparation methods, such as low production volumes, low purity, high energy consumption, high costs, and inability to achieve industrialized production, and provides a formula IV compound preparation method which is simple, economical, environmentally-friendly and easy to produce industrially; the reaction solvent of the method is easily recycled and the method can produce the formula IV compound at high production rates and with high purity.
    Type: Application
    Filed: June 23, 2014
    Publication date: May 12, 2016
    Applicants: Zhejiang Hisun Pharmaceutical Co., Ltd., Shanghai Institute of Pharmaceutical Industry
    Inventors: Fuli Zhang, Zhezhou Yang, Rusheng Bao, Pengcheng Qiu, Linyong Jin, Hu Pan, Linyu Pan, Dongming Jiang, Weiwei Xu
  • Patent number: 8423603
    Abstract: Embodiments of the invention enable a person to easily and without having any specialized knowledge configure a webpage to automatically provide real time information. More specifically, embodiments of the invention are directed to a remotely hosted element which may be easily configured and placed in a webpage by an un-sophisticated publisher. The remotely hosted element provides the real time information. In certain embodiments, the real time information is stock quotes, charts and associated news items. In certain embodiments, the real time information unit is interactive. In other words, it allows webpage viewers to interact with it in order to cause it to show additional, or differently organized information.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: April 16, 2013
    Assignee: Yahoo! Inc.
    Inventors: Sanjay V. Sohoni, Mark Francis Interrante, Brian Paul Channell, Hu Pan
  • Publication number: 20080270921
    Abstract: Embodiments of the invention enable a person to easily and without having any specialized knowledge configure a webpage to automatically provide real time information. More specifically, embodiments of the invention are directed to a remotely hosted element which may be easily configured and placed in a webpage by an un-sophisticated publisher. The remotely hosted element provides the real time information. In certain embodiments, the real time information is stock quotes, charts and associated news items. In certain embodiments, the real time information unit is interactive. In other words, it allows webpage viewers to interact with it in order to cause it to show additional, or differently organized information.
    Type: Application
    Filed: July 8, 2008
    Publication date: October 30, 2008
    Applicant: YAHOO! INC.
    Inventors: Sanjay V. SOHONI, Mark Francis Interrante, Brian Paul Channell, Hu Pan
  • Publication number: 20080155037
    Abstract: Embodiments of the invention enable a person to easily and without having any specialized knowledge configure a webpage to automatically provide real time information. More specifically, embodiments of the invention are directed to a remotely hosted element which may be easily configured and placed in a webpage by an un-sophisticated publisher. The remotely hosted element provides the real time information. In certain embodiments, the real time information is stock quotes, charts and associated news items. In certain embodiments, the real time information unit is interactive. In other words, it allows webpage viewers to interact with it in order to cause it to show additional, or differently organized information.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 26, 2008
    Applicant: Yahoo! Inc.
    Inventors: Sanjay V. Sohoni, Mark Francis Interrante, Brian Paul Channell, Hu Pan