ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,536, issued on Dec. 23, was assigned to HANWHA SOLUTIONS Corp. (Seoul, South Korea).
"Method for manufacturing vinyl chloride-acryl copolymer latex" was invented by Eun Soo Jeong (Daejeon, South Korea), Geun Chang Ryu (Daejeon, South Korea) and Chulwoong Lee (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of preparing a vinyl chloride-acrylic copolymer latex.Specifically, in one embodiment of the present invention, provided is a method of preparing a latex including vinyl chloride-acrylic copolymer particles with a high degree of polymerization and high molecular weight by performing an emulsion polymerizati...