US Patent Issued to Mexichem Specialty Resins on Feb. 25 for "Low density polyvinyl chloride microparticles" (Ohio Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,353, issued on Feb. 25, was assigned to Mexichem Specialty Resins Inc. (Avon Lake, Ohio).

"Low density polyvinyl chloride microparticles" was invented by Christopher Scilla (Broadview Heights, Ohio) and Viswanathan Narayan (Strongsville, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "Hollow microparticles of polyvinyl chloride are disclosed, having low volumetric densities useful for reducing mass per unit volume of polymer or inorganic articles and apparatus having such microparticles compounded into thermoplastic or thermoset polymers. A double emulsion polymerization process is also disclosed as the process to produce the hollow microparticl...