Patent ID: 11883787
Assignee: SOCIETE DE COMMERCIALISATION DES PRODUITS DE LA RECHERCHE APPLIQUÉE SOCPRA SCIENCES SANTE ET HUMAINES S.E.C.
Field: Chemical engineering (Chemistry)
Classification: CPC B  Y | IPC B

Claim 12:
13. The method of claim 12, wherein the cleaning step comprises the step of contacting the membrane with CO2 or an inert gas to:
increase the apparent pore size of the membrane, and/or
increase or decrease the hydrophilicity of the membrane, and/or
dislodge matter clogging the membrane by extending the CO2-responsive polymer chains away from the surface of the cellulose nanocrystals or collapse the CO2-responsive polymer chains on themselves close to the surface of the cellulose nanocrystals.