Patents by Inventor Naru ZHAO

Naru ZHAO 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: 11389564
    Abstract: The present invention relates to a method for constructing a whitlockite coating on a surface of a calcium phosphate-based bioceramic substrate and a resulting coating, wherein the preparation method includes the following steps of: preparing pure calcium phosphate-based bioceramic powder firstly, then pre-firing, shaping and calcining the pure calcium phosphate-based bioceramic powder to obtain a calcium phosphate-based bioceramic substrate, placing the substrate in a solution containing Mg2+, then transferring the substrate to a high-temperature high-pressure reaction kettle for a hydrothermal reaction, and then cleaning and drying the sample to obtain a whitlockite coating.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: July 19, 2022
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Yingjun Wang, Xiaoheng Guo, Naru Zhao
  • Publication number: 20210100930
    Abstract: The present invention relates to a method for constructing a whitlockite coating on a surface of a calcium phosphate-based bioceramic substrate and a resulting coating, wherein the preparation method includes the following steps of: preparing pure calcium phosphate-based bioceramic powder firstly, then pre-firing, shaping and calcining the pure calcium phosphate-based bioceramic powder to obtain a calcium phosphate-based bioceramic substrate, placing the substrate in a solution containing Mg2+, then transferring the substrate to a high-temperature high-pressure reaction kettle for a hydrothermal reaction, and then cleaning and drying the sample to obtain a whitlockite coating.
    Type: Application
    Filed: November 20, 2017
    Publication date: April 8, 2021
    Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Yingjun WANG, Xiaoheng GUO, Naru ZHAO