US Patent Issued to IMPACT ACOUSTIC on Oct. 20 for "Method for producing a sound absorbing panel" (Swiss Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,601, issued on Oct. 20, was assigned to IMPACT ACOUSTIC AG (Lucerna, Switzerland).

"Method for producing a sound absorbing panel" was invented by Isabella Colciago (Lucerna, Switzerland), Massimo Gatelli (Lucerna, Switzerland), Giovanni Ghilardi (Lucerna, Switzerland) and Paolo Milani (Lucerna, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method for producing a sound absorbing panel including the step of providing a predetermined amount of cellulose fibres. Cellulose fibres have an average length between 0.5 mm and 5 mm, preferably between 1.3 mm and 2.5 mm. The method further includes a step of soaking the cellulose fibres in a water ...