ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,483, issued on Dec. 30, was assigned to Sumitomo Chemical Co. Ltd. (Chuo-ku, Japan).
"Method for producing nucleic acid oligomers" was invented by Takuya Miyagawa (Osaka, Japan) and Hideki Okumura (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an efficient process for preparing a nucleic acid oligomer, in particular, a process for deprotecting efficiently a protecting group of hydroxy group of a ribose in a nucleic acid oligomer. Specifically, the present invention also provides a process for preparing a nucleic acid oligomer represented by formula (4), which comprises contacting a nucleic acid oligomer r...