ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,864, issued on April 7, was assigned to NICOVENTURES TRADING Ltd. (London).
"Method of making a tobacco extract" was invented by Marina Sintyureva (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein provide a method of making a tobacco extract comprising; (a) contacting tobacco with an extraction solvent in a first chamber such that tobacco components are extracted from the tobacco into the extraction solvent, wherein the extraction solvent is a supercritical fluid in the first chamber; (b) passing the extraction solvent containing tobacco components along a line towards a second chamber, wherein a valve is present in...