US Patent Issued to ROCKWOOL on Feb. 17 for "Method of reducing the formaldehyde emission of a mineral fiber product, and mineral fiber product with reduced formaldehyde emission" (Danish Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,235, issued on Feb. 17, was assigned to ROCKWOOL A/S (Hedehusene, Denmark).

"Method of reducing the formaldehyde emission of a mineral fiber product, and mineral fiber product with reduced formaldehyde emission" was invented by Erling Lennart Hansen (Virum, Denmark), Lars Naerum (Virum, Denmark) and Povl Nissen (Hellerup, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of reducing the formaldehyde emission of a mineral fiber product bonded with a urea-modified phenol-formaldehyde resol resin-type binder comprises adding dextrose to the binder composition during and/or after preparation of the binder composition but before curing of t...