ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,643, issued on June 23, was assigned to NYCO (Paris).

"Use of a biodegradable lubricant base, and method for the preparation thereof" was invented by Gregoire Herve (Paris), Antoine Vatin (Mours, France), Yves Travert (Eragny sur Oise, France) and Delphine Crozet (Solaize, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the use of a fluid lubricant base comprising at least one biosourced and biodegradable compound having formula (I) in order to lubricate devices and/or machines, such as wind turbines, wherein said at least one compound having formula (I) corresponds to formula (I) in which R1, R2 and R3 are, in...