Patent
Protein fiber production method (US Patent 12600754)
Spiber Inc. · Granted Apr 14, 2026 · Filed Sep 30, 2019
Patent number: 12600754 Kind code: B2 Granted: 2026-04-14 Filed: 2019-09-30 Inventors: Yunosuke Abe (Tsuruoka, JP); Hirotada Ando (Kariya, JP); Koichi Kotaka (Tsuruoka, JP) Assignees: Spiber Inc. (Yamagata, JP) CPC: C07K 14/43595; D01D 5/00; D01F 4/00
Abstract
Disclosed is a method for producing a protein fiber, the method including: bringing a spinning dope containing a protein and an organic solvent into contact with a coagulation liquid to coagulate the protein, wherein a content of the protein in the spinning dope is more than