ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,321, issued on Feb. 4, was assigned to W. L. GORE & ASSOCIATES G.K. (Tokyo).
"Catalyst device for lead-acid battery, and lead-acid battery" was invented by Kotaro Kobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a catalyst device for a lead-acid battery, the catalyst device being capable of reducing gas release from an electrolyte solution and a decrease in electrolyte solution due to the leakage, thus providing a lead-acid battery having a long life, and being capable of ensuring safety even in excessive flow of gas. Also provided is a lead-acid battery including the catalyst device. A catalyst device for a lead-acid batte...