Patents by Inventor Mengmeng HOU

Mengmeng HOU 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 preparing epsilon-caprolactone
    Patent number: 10710974
    Abstract: The present invention discloses a method for preparing ?-caprolactone. The method comprises the steps of: adding cyclohexanone, a co-oxidant and a certain amount of catalyst into a certain amount of organic solvent, using molecular oxygen as an oxidant, implementing a reaction with stirring for 0.1 to 24 hours under a pressure of 0.1 to 2 MPa and at a temperature of 60° C. to 100° C., wherein the co-oxidant is acrolein, and the catalyst is a carbon material. The present invention has the advantages of high-efficiency co-oxidant, easily available and recovered catalyst, environmental-friendly oxidant, simple operation and low cost.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: July 14, 2020
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Hao Yu, Mengmeng Hou, Feng Peng, Yonghai Cao, Hongjuan Wang
  • METHOD FOR PREPARING EPSILON-CAPROLACTONE
    Publication number: 20190367470
    Abstract: The present invention discloses a method for preparing ?-caprolactone. The method comprises the steps of: adding cyclohexanone, a co-oxidant and a certain amount of catalyst into a certain amount of organic solvent, using molecular oxygen as an oxidant, implementing a reaction with stirring for 0.1 to 24 hours under a pressure of 0.1 to 2 MPa and at a temperature of 60° C. to 100° C., wherein the co-oxidant is acrolein, and the catalyst is a carbon material. The present invention has the advantages of high-efficiency co-oxidant, easily available and recovered catalyst, environmental-friendly oxidant, simple operation and low cost.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 5, 2019
    Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Hao YU, Mengmeng HOU, Feng PENG, Yonghai CAO, Hongjuan WANG