US Patent Issued to SIKA TECHNOLOGY on Aug. 26 for "One-step formation of an integrated composite structure comprising cured mortar layers and a polyurethane layer by 3D printing" (Chinese, Japanese, German Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,494, issued on Aug. 26, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"One-step formation of an integrated composite structure comprising cured mortar layers and a polyurethane layer by 3D printing" was invented by Hang Xu (Chigasaki-chi, Japan), ShengZhong Zhou (Shanghai), Bang Wei Xi (Shanghai), Xi Tao Liu (Shanghai), Li Xia Wang (Shanghai), He Meng Zhao (Shanghai), Bernhard Feichtenschlager (Trostberg, Germany) and Stefan Hirsemann (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process of fabricating a multi-layer composite structure by 3D printing, said composite structure comprises at least...