ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,072, issued on May 20, was assigned to Zhejiang Tianzhen Technology Co. Ltd. (Zhejiang, China).
"Method for treating surface of floor" was invented by Qinghua Fang (Zhejiang, China), Wenjin Tang (Zhejiang, China), Yin Yin (Zhejiang, China) and Jianying Xia (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure belongs to the technical field of floor preparation, and provides a method for treating a surface of a floor. Compared with traditional methods for preparing floor, in the method according to the disclosure, an embossing is performed not directly after laminating, but after applying a wear-resistant primer, and a topcoa...