ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,894, issued on Sept. 16, was assigned to New Energy Blue LLC (Lancaster, Pa.).
"Bitumen compositions comprising lignin" was invented by Duy Michael Le (Copenhagen NV, Denmark) and Mia Frosch Mogenbaek Foverskov (Herlev, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The current invention concerns composition comprising bitumen, one or more plasticity modifying agent(s), and lignin, as well as methods and uses related to such compositions. In particular, compositions are disclosed with improved properties, such as mixing properties."
The patent was filed on Jan. 3, 2024, under Application No. 18/403,329.
*For further information, including...