Patents Assigned to GAZNAT SA
  • Graphene membrane filter for gas separation
    Patent number: 11559772
    Abstract: The invention relates to carbon supported crack- and tear-free graphene membranes of large area useful for selective gas separation, method of preparation and uses thereof. In particular, the invention relates to carbon supported crack- and tear-free graphene membranes having good gas separation performance, in particular high H2 permeance and H2/CH4 selectivities.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: January 24, 2023
    Assignee: GAZNAT SA
    Inventors: Kumar Varoon Agrawal, Shiqi Huang