Patents by Inventor Benlin Hu

Benlin Hu 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).

  • POLYTHIOETHERIMIDES AND METHOD FOR PRODUCING THEREOF
    Publication number: 20110065891
    Abstract: Polythioetherimides and a producing method thereof. The method is comprised of using monosubstituted phthalic anhydride isomer as raw material, reacting it with disubstituted amine to produce disubstituted phthalimide, allowing coupling reaction between the obtained phthalimide and an alkali metal sulfide or sulfur to produce polythioetherimides.
    Type: Application
    Filed: December 19, 2008
    Publication date: March 17, 2011
    Applicant: CHANGCHUN HIPOLYKING CO.,LTD.
    Inventors: Xingzhong Fang, Benlin Hu, Ying Han, Ji Ma, Qing Yan, Mengxian Ding