ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,389, issued on Sept. 23, was assigned to SULAPACOY (Helsinki).

"Compostable wood composite material for thin-walled articles" was invented by Taneli Vaisanen (Helsinki) and Antti Parssinen (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition comprising a continuous thermoplastic polymer matrix having a melting point greater than 110deg C. and, distributed within the matrix, particles of hydrophilic natural fiber material having a sieved size of less than 1.0 mm, the weight ratio of the thermoplastic polymer to the wood particles being from 99:1 to 35:65. An improvement in biodegradability of biopolymers, such as PLA, can be achiev...