公开(公告)号：US20190352330A1

公开(公告)日：2019-11-21

申请号：US16473836

申请日：2017-12-25

Applicant: Spiber Inc.

Inventor： Kazuhide Sekiyama ,  Akihiko Ozeki ,  Ryoji Okada ,  Koichi Kotaka

IPC: C07K1/14 ,  C07K14/435 ,  C08J11/08 ,  C08J11/20

Abstract: The present invention relates to a method for recovering protein, which recovers a target protein from a mixture containing the target protein and a material different from the target protein, the method including a dissolution step of dissolving either the target protein or the material by applying pressure while heating to a solution for dissolution containing the mixture and a polar solvent, and a separation step of separating an obtained solution.

公开(公告)号：US20220056221A1

公开(公告)日：2022-02-24

申请号：US17274557

申请日：2019-09-13

Applicant: Spiber Inc.

Inventor： Hisahiro Kudo ,  Hideto Ishii ,  Tatsuki Adachi ,  Ryoji Okada

IPC: C08J3/09 ,  C07K14/435 ,  D01D1/02 ,  D01F4/02

Abstract: Disclosed is a method for manufacturing a fibroin solution including a step of forming a slurry containing a solvent-containing dissolving liquid and a fibroin-containing protein powder dispersed in the dissolving liquid by continuously introducing the protein powder to a thin film of the dissolving liquid while flowing the thin film; and a step of forming a fibroin solution by dissolving, in the dissolving liquid, the protein powder in the slurry.

公开(公告)号：US20210032778A1

公开(公告)日：2021-02-04

申请号：US16966155

申请日：2019-01-31

Applicant: Spiber Inc.

Inventor： Takuya Saito ,  Ryoji Okada ,  Naoki Matsuzaka

IPC: D01F4/02 ,  C07K1/113 ,  C07K14/435

Abstract: The present invention relates to a production method for a protein molded article, including: dissolving a protein in a solvent containing formic acid at a temperature of 40° C. or higher and lower than 80° C. to obtain a protein solution; and molding a protein molded article using the protein solution.