ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,021, issued on Jan. 20, was assigned to Conopco Inc. (Englewood Cliffs, N.J.).
"Unit dose capsule" was invented by Jun Shen (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method of producing a unit dose capsule for treatment of a substrate comprising the steps of a. placing a first sheet of water-soluble polyvinyl alcohol film over a mould having sets of cavities, each set comprising three cavities arranged on the sealing plane one after the other in circumferential direction such that footprint area of the second and the third compartments is from 0.8 to 2.5 times the area of the footprint of the first com...