ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,117, issued on Sept. 16, was assigned to MACSUMSUK GM Co. LTD. (Yeongcheon-si, South Korea).
"Fiber coating method" was invented by Sung Gun Kwak (Yeongcheon-si, South Korea) and Da Eun Kwac (Busan, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of coating fibers with macsumsuk or clay minerals, in which wet mixed pulverization is performed by using the macsumsuk or the clay minerals, silicate zirconia, nano silver, yucca extracts, and the like as raw materials, granules are produced by a dry method, dry pulverization is performed, and the resultant is mixed with a solvent to coat the fabric. Th...