ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,298, issued on Feb. 24.
"Container" was invented by Jule Lucia Venrath (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Problem A container for viscous substances, especially liquids, is typically operated such that discharge is effected by, for example, folding or pumping action exerted by a means provided atop the container. Complete emptying of a conventional container in most cases cannot be achieved. Some residues may be removed by the action of gravity. However, for substances of higher viscosity, retrieving residues from the container remains a challenge. Furthermore, the shelf life of the fluid may be adversely affected by ...