US Patent Issued to Yves Gnanou on Aug. 25 for "Polycarbamate synthesis via chain-growth copolymerization" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,954, issued on Aug. 25, was assigned to Yves Gnanou (Paris).

"Polycarbamate synthesis via chain-growth copolymerization" was invented by Xiaoshuang Feng (Thuwal, Saudi Arabia), Mingchen Jia (Thuwal, Saudi Arabia) and Yves Gnanou (Thuwal, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure features materials and methods for synthesizing polycarbamates via chain-growth copolymerization in the presence of a Lewis acid of a first reactant having a oxirane or thiirane moiety and at least one heteroallene reactant, wherein a first heteroallene reactant is an isocyanate or an isothiocyanate. Also featured are polycarbamate co...