ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,993, issued on April 14, was assigned to KANEKA Corp. (Osaka, Japan).

"Method for producing poly(3-hydroxyalkanoate)" was invented by Ken Harada (Hyogo, Japan) and Shunsuke Sato (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In culturing a poly(3-hydroxyalkanoate)-producing microorganism, an oil A and an oil B are used as the carbon source. The proportion of the oil B to the total amount of the oils A and B used during the entire course of the culturing is 10 wt % or more. The oil A is the total oil used until the amount of the poly(3-hydroxyalkanoate) accumulated in the poly(3-hydroxyalkanoate)-producing microorganism reaches 16 wt %...