ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,565, issued on April 29, was assigned to Stora Enso OYJ (Helsinki).
"Process for preparing a bonding resin" was invented by Ashar Zafar (Alta, Sweden) and Jesper Ekstrom (Johanneshov, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing a bonding resin, lignin in solid form or in the form of a dispersion in water is mixed with a crosslinker; and optionally one or more additives followed by addition of a basic solution. The bonding resin is useful for example in the manufacture of laminates, mineral wool insulation and wood products such as plywood, oriented strandboard (OSB), laminated veneer ...