ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,181, issued on Nov. 3, was assigned to British American Tobacco Ltd. (London).
"Tobacco treatment" was invented by Cleber Da Rodda (London), Gilson Rufino Sant'Anna (London), Guilherme Sabin (London), Samuel Kaiser (London), Priscila Cruz (London) and Oscar Pontes (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a process for treating tobacco material comprising: securing tobacco starting material within a sealed reactor preventing the ingress or exit of any gas or liquid; heating the tobacco material to a temperature of from about 60deg C. to about 200deg C. for a period of from about 6 hours to about 120 hours; allowing...