Patents by Inventor Taikang Fei

Taikang Fei 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).

  • Method for separating dimethyl carbonate from methanol
    Patent number: 10815185
    Abstract: A method for separating dimethyl carbonate from methanol includes subjecting a raw material containing dimethyl carbonate and methanol to extractive distillation. The extractant contains an ionic liquid and a compound having a general formula of CH3O(CH2CH2O)nCH3, n being an integer of 2-8. The ionic liquid is an imidazole ionic liquid, a pyridine ionic liquid, or a mixture thereof.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: October 27, 2020
    Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology, SINOPEC
    Inventors: Weimin Yang, Jun Li, Wenjun He, Junwei Ge, Jiahua Wang, Taikang Fei
  • METHOD FOR SEPARATING DIMETHYL CARBONATE FROM METHANOL
    Publication number: 20190062259
    Abstract: A method for separating dimethyl carbonate from methanol includes subjecting a raw material containing dimethyl carbonate and methanol to extractive distillation, wherein an extractant comprising a compound having a general formula of CH3O(CH2CH2O)nCH3, n being an integer of 2-8, is used in the extractive distillation. The method has the advantages of good separation effect, high product purity, and environmental friendly.
    Type: Application
    Filed: August 28, 2018
    Publication date: February 28, 2019
    Inventors: Weimin Yang, Jun Li, Wenjun He, Junwei Ge, Jiahua Wang, Taikang Fei