ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,815, issued on Feb. 24, was assigned to T.EN ZIMMER GMBH (Frankfurt am Main, Germany).

"Method and device for the production of polyamide 6 pellets" was invented by Stefan DeiB (Harxheim, Germany), Raimund Schwarz (Taunusstein, Germany), Karl-Heinz Heldmann (Raunheim, Germany), Martin Baumert (Hammersbach, Germany) and Eva-Maria Kamp (Frankfurt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for the production of polyamide 6 pellets. The method includes, among other things, providing a melt of polyamide 6, feeding the melt into an underwater pelletizing system being operated with a fluid and producing pellets from the melt, transpor...