US Patent Issued to Inpria on June 24 for "Monoalkyl tin compounds with low polyalkyl contamination, their compositions and methods" (Oregon Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,260, issued on June 24, was assigned to Inpria Corp. (Corvallis, Ore.).

"Monoalkyl tin compounds with low polyalkyl contamination, their compositions and methods" was invented by Joseph B. Edson (Corvallis, Ore.), Thomas J. Lamkin (Corvallis, Ore.), William Earley (Corvallis, Ore.), Truman Wambach (Portland, Ore.) and Jeremy T. Anderson (Corvallis, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pure composition comprises a monoalkyltin trialkoxide compound represented by the chemical formula RSn(OR')3 or a monoalkyl tin triamide compound represented by the chemical formula RSn(NR'2)3 and no more than 4 mole % dialkyltin compounds relative to ...