ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,454, issued on Oct. 7, was assigned to SAN FANG CHEMICAL INDUSTRY Co. LTD. (Kaohsiung, Taiwan).
"Waterproof and moisture-permeable composite material" was invented by Chih-Yi Lin (Kaohsiung, Taiwan), Kuo-Kuang Cheng (Kaohsiung, Taiwan), Kao-Lung Yang (Kaohsiung, Taiwan) and Wei-Jie Liao (Kaohsiung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waterproof and moisture-permeable composite material is provided, which is composed of a waterproof and moisture-permeable membrane and a melt-blown non-woven fabric. The melting point of melt-blown non-woven fabric ranges from 80deg C. to 130deg C., in which the melt-blown non-woven fabric is a therm...