US Patent Issued to TORAY INDUSTRIES on March 24 for "Method for producing composite fiber and composite spinneret" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,246, issued on March 24, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Method for producing composite fiber and composite spinneret" was invented by Yasunori Kanemori (Otsu, Japan), Moeka Hirakawa (Otsu, Japan) and Joji Funakoshi (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composite fiber is described that is capable of forming various fiber cross section shapes with high accuracy and maintaining high dimensional stability of a cross section shape. Also provided is a method for producing the composite fiber, the method comprising: distributing a sea-component polymer and at least one other-component polymer different from the se...