ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,850, issued on June 9, was assigned to Dow Global Technologies LLC (Midland, Mich.).
"Aqueous dispersion of polyisobutylene and polyolefin particles" was invented by Hongyu Chen (Shanghai), Yunlong Guo (Shanghai), David L. Malotky (Midland, Mich.), Alan M. Piwowar (Buffalo, N.Y.), Xiaomei Song (Shanghai) and Qiangqiang Yan (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition comprising an aqueous dispersion of a) polyisobutylene particles; and b) polyolefin particles, which are polyethylene or polypropylene particles, wherein the weight-to-weight ratio of the polyisobutylene particles to the p...