Patents by Inventor Yuning Xie

Yuning Xie 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).

  • Process for preparing a polyether ether ketone
    Patent number: 8236919
    Abstract: A process for preparing a polyether ether ketone. Sodium carbonate is used alone as the condensation agent, and 4,4?-difluorodibenzophenone, p-benzenediol and biphenyldiol are subjected to polymerizing. After the corresponding prepolymer is obtained, the reaction temperature is elevated and p-benzenediol is further added as a chain extender to react for a period of time to produce high-viscosity polyether ether ketone.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: August 7, 2012
    Assignee: Jilin Jinzheng Macromolecule Materials R & D Co., Ltd.
    Inventors: Guirong Wu, Yuning Xie
  • PROCESS FOR PREPARING A POLYETHER ETHER KETONE
    Publication number: 20110218315
    Abstract: A process for preparing a polyether ether ketone. Sodium carbonate is used alone as the condensation agent, and 4,4?-difluorodibenzophenone, p-benzenediol and biphenyldiol are subjected to polymerizing. After the corresponding prepolymer is obtained, the reaction temperature is elevated and p-benzenediol is further added as a chain extender to react for a period of time to produce high-viscosity polyether ether ketone.
    Type: Application
    Filed: November 30, 2010
    Publication date: September 8, 2011
    Applicant: JILIN JINZHENG MACROMOLECULE MATERIALS R&D CO., LTD
    Inventors: Guirong Wu, Yuning Xie