US Patent Issued to Shin-Etsu Chemical on Nov. 25 for "11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,786, issued on Nov. 25, was assigned to Shin-Etsu Chemical Co. Ltd. (Tokyo).

"11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound" was invented by Yuki Miyake (Joetsu, Japan), Takeshi Kinsho (Joetsu, Japan) and Yusuke Nagae (Joetsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing a (4Z)-11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound of the following general formula (3-Z): wherein Y represents a halogen atom, Ar represents, independently of each other, an...