US Patent Issued to ALTER BIOTA on Nov. 11 for "Preparation of hydrous graphene oxide for use as a concrete admixture" (Canadian Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,770, issued on Nov. 11, was assigned to ALTER BIOTA INC. (Toronto).

"Preparation of hydrous graphene oxide for use as a concrete admixture" was invented by Mark Masotti (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous dispersion of graphene oxide is prepared in an additive process by subjecting graphitic carbon, such as biochar, in water or an aqueous solution to a high-shear environment in the presence of a dispersing agent to exfoliate graphene oxide. An intercalating agent may be added to facilitate exfoliation, and optionally neutralized. The graphitic carbon may be pre-processed by wet milling prior to exfoliation. The aqueous...