US Patent Issued to TOPPAN THERMOFORMED PACKAGING HOLDINGS on June 23 for "Modified overprint varnish" (Texas Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,599, issued on June 23, was assigned to TOPPAN THERMOFORMED PACKAGING HOLDINGS INC. (Charlotte, N.C.).

"Modified overprint varnish" was invented by Richard Schwarz (Kyle, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment, the invention comprises a thermoformable sheet which comprises a polymer layer, and a barrier layer disposed adjacent the polymer layer. The barrier layer comprises a plurality of particles coated in an adhesion promotor. The plurality of coated particles are dispersed in a barrier solution of polyvinyl alcohol."

The patent was filed on Dec. 2, 2022, under Application No. 18/074,051.

*For further information, ...