US Patent Issued to NITTO DENKO on April 21 for "Adhesive layer, laminate, optical laminate, method for producing optical laminate, and optical device" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,726, issued on April 21, was assigned to NITTO DENKO Corp. (Osaka, Japan).

"Adhesive layer, laminate, optical laminate, method for producing optical laminate, and optical device" was invented by Mizuho Mizuno (Osaka, Japan), Akiko Tanaka (Osaka, Japan), Naofumi Kosaka (Osaka, Japan) and Kozo Nakamura (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adhesive layer (20a) has a creep deformation rate when a stress of 10000 Pa is applied at 50deg C. for 1 second is 10% or less, and a creep deformation rate when a stress of 10000 Pa is applied at 50deg C. for 30 minutes is 16% or less, in a creep test using a rotational rheometer, and has...