US Patent Issued to MITSUBISHI CHEMICAL on Sept. 9 for "Diverting agent and method of filling fracture in well using same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,363, issued on Sept. 9, was assigned to MITSUBISHI CHEMICAL Corp. (Tokyo).

"Diverting agent and method of filling fracture in well using same" was invented by Yasuhiro Hirano (Tokyo), Ryosuke Taniguchi (Tokyo) and Chizuko Furo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diverting agent is provided which does not completely dissolve in water and seawater in an ultra-low temperature to low temperature range (5deg C. to 30deg C.) for a certain period of time (about 5 minutes to 3 hours), and is quickly dissolved and removed after a certain period of time in an excavation method using a hydraulic fracturing method. Also provided is a divert...