US Patent Issued to GELEST, MITSUBISHI CHEMICAL on Feb. 10 for "High purity alkyl tin compounds and manufacturing methods thereof" (American, Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,692, issued on Feb. 10, was assigned to GELEST INC. (Morrisville, Pa.) and MITSUBISHI CHEMICAL Corp. (Tokyo).

"High purity alkyl tin compounds and manufacturing methods thereof" was invented by Li Yang (Belle Mead, N.J.) and Yuta Hioki (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Monoalkyl tin triamide compounds having purity of at least about 99 mol % and the chemical formula RSn(NMe2)3 are described. R1 is selected from RA, RB, and RC; RA is a primary alkyl group having about 1 to 10 carbon atoms, RB is a secondary alkyl group having about 3 to 10 carbon atoms, and RC is a tertiary alkyl group having about 3 to 10 carbon atoms; ea...