US Patent Issued to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES on Aug. 25 for "Method for preparing a resol-type phenolic resin with reduced formaldehyde content" (French Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,953, issued on Aug. 25, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Method for preparing a resol-type phenolic resin with reduced formaldehyde content" was invented by Damien Brandt (Monts, France), Nathanael Chaussoy (Monts, France) and Jean-Francois Gerard (Monts, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a resol-type phenolic resin comprising the following steps: a) a step of condensing phenol and formaldehyde, in a basic medium, the formaldehyde being in molar excess with respect to the phenol, at a condensation temperature of at least 50deg C. until the phenol conve...