ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,368, issued on March 17, was assigned to Holland Colours N.V. (Apeldoorn, Netherlands).
"Opaque polyester-based materials" was invented by Johan Jozef Marinus Werink (Balkburg, Netherlands), Johannes Henricus Hurenkamp (Utrecht, Netherlands) and Jules Caspar Albert Anton Roelofs (Twello, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a preform for a container comprising a polyester, titanium dioxide, and a light absorbing additive. In addition, a process for preparing a polyester-based container from such a preform is disclosed, as well as a polyester-based container obtainable by such a process. The opaque conta...