ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,070, issued on Aug. 26, was assigned to ROCKWOOL A/S (Hedehusene, Denmark).
"Mineral wool binder" was invented by Thomas Hjelmgaard (Fredensborg, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to a formaldehyde-free binder composition for mineral fibres comprising at least one phenol containing compound, at least one protein and at least one divalent metal cation M2+ containing compound."
The patent was filed on Aug. 14, 2020, under Application No. 17/635,451.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fneta...