US Patent Issued to C.I. TAKIRON on July 14 for "Heat-shrinkable polyester film" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,939, issued on July 14, was assigned to C.I. TAKIRON Corp. (Osaka, Japan).

"Heat-shrinkable polyester film" was invented by Tatsuya Irifune (Osaka, Japan), Takuma Kaneko (Osaka, Japan), Yuichiro Kanzaka (Osaka, Japan) and Shuuta Yuge (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The blocking phenomenon at the time of recycling can be effectively suppressed. Provided is a heat-shrinkable polyester film derived from a first polyester resin and a second polyester resin as a plurality of polyester resins having different crystallinity, the heat-shrinkable polyester film satisfying the following characteristics (A) to (E). (A) and (B): The...