US Patent Issued to Kuraray Europe on April 14 for "Drying processes for composite films comprising polyvinyl acetal and polyvinyl ethylene acetal resins" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,114, issued on April 14, was assigned to Kuraray Europe GmbH (Hattersheim, Germany).

"Drying processes for composite films comprising polyvinyl acetal and polyvinyl ethylene acetal resins" was invented by Shinichi Muguruma (Kurashiki, Japan) and Hideki Oomoto (Kurashiki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to drying processes for composite films comprising a polyvinyl acetal on a carrier as well as to composite films and polyvinyl acetal films obtained in such processes."

The patent was filed on Sept. 24, 2021, under Application No. 18/274,761.

*For further information, including images, charts and t...