ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,368, issued on Dec. 30, was assigned to Centrix Inc. (Shelton, Conn.).
"Dental anesthetic buffering system" was invented by William B. Dragan (Easton, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dental anesthetic buffering system using pre-dosed dry buffering material. Liquid dental anesthetic from a standard anesthetic cartridge or carpule is injected into a dry buffering material buffering the anesthetic improving efficacy and comfort. A buffer dosing cartridge or carpule configured to fit within an anesthetic syringe is pre-dosed with a dry buffering material and injected with a liquid anesthetic from a standard anesthetic cartridge or...