ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,270, issued on Sept. 15, was assigned to POLYGREEN LTD (Tel Aviv, Israel).

"Process for the production of biodegradable superabsorbent polymer with high absorbency under load based on styrene maleic acid copolymers and biopolymer" was invented by Mircea Dan Bucevschi (Rehovot, Israel), Zvi Meiri (Netanya, Israel) and Shai Shahal (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention describes a method for the production of a biodegradable superabsorbent composite polymer material, characterized by high absorbency under load. The invention also describes novel composite material made of styrene maleic acid copolymer preferabl...