ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,769, issued on July 21, was assigned to Celanese Polymers Holding Inc. (Wilmington, Del.).
"Polyetherester" was invented by Eleni Karayianni (Geneva).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a copolyetherester compositions that are resistant to burning and which show reduced smoke production when exposed to heat or flame."
The patent was filed on June 15, 2021, under Application No. 17/996,547.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=12686769&OS=...