ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,477, issued on May 12, was assigned to TREETOTEXTILE AB (Stockholm).
"Method for providing a filtered spinning dope" was invented by Artur Hedlund (Gothenburg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention describes a method of dissolving cellulose, said method comprising: dissolving cellulose in an alkali solution: -filtering the dissolved cellulose, thereby forming a filtered dissolved cellulose solution and a filter reject; -mixing said filter reject having a first viscosity value with a dissolution liquid having a second viscosity value, wherein the second viscosity value is lower than the first viscosity value, to p...