ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,622, issued on Oct. 14, was assigned to CHINA UNIVERSITY OF PETROLEUM-BEIJING (Beijing).

"Modified titanium dioxide nanomaterial and preparation method and application thereof" was invented by Jirui Hou (Beijing) and Zhuo Lu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a modified titanium dioxide nanomaterial and its preparation method and application, the method including the following steps: 1) mixing 1 part by weight of an anatase type titanium dioxide nanosheet with a solution containing 1 to 5 parts by weight of a coupling agent for reaction to obtain an intermediate; 2) adding 1 to 15 parts by weight of a fatty acid comp...