ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,656, issued on April 7, was assigned to Rockwool A/S (Hedehusene, Denmark).

"Acoustic products" was invented by Dorte Bartnik Johansson (Hedehusene, Denmark) and Miroslav Nikolic (Hedehusene, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method of making an acoustic product and a novel acoustic product, wherein the acoustic product is made by adhering a facing to a first major surface of an acoustic insulation element by the use of an adhesive and curing the adhesive. The adhesive is an aqueous adhesive composition which is free of phenol and formaldehyde and comprises: a component (i) in form of one or more ligno...