US Patent Issued to DDP SPECIALTY ELECTRONIC MATERIALS US on April 29 for "Flame retardant masterbatch composition for foams containing a pH moderator" (Michigan Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,520, issued on April 29, was assigned to DDP SPECIALTY ELECTRONIC MATERIALS US LLC (Wilmington, Del.).

"Flame retardant masterbatch composition for foams containing a pH moderator" was invented by Wenyi Huang (Midland, Mich.), Shari Kram (Sanford, Mich.), Mark Rickard (Midland, Mich.) and Ravi B Shankar (Midland, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A masterbatch composition suitable for use as a flame retardant in extruded polymer foams, and process for manufacturing the same, and extruded foams containing same; the composition comprising: (a) 20 to 40 parts by weight base resin comprising styrene homopolymer or copolymer; (b) 1 to 1...