ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,570, issued on March 24, was assigned to TOYOX Co. LTD. (Toyama, Japan).
"Multilayer tubular molded body and method for producing multilayer tubular molded body" was invented by Daichi Aoki (Toyama, Japan) and Kenichi Numata (Toyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a multilayer tubular molded body, which has high chemical resistance and heat resistance and excellent adhesive strength, and a method for producing the same, a multilayer tubular molded body 1 has an inner layer 2 containing a polyolefin as a main component, an outer layer 3 containing polyvinyl chloride as a main component, and an interlayer 4, which is ...