公开(公告)号：US20220251739A1

公开(公告)日：2022-08-11

申请号：US17622269

申请日：2020-06-26

Applicant: Spiber Inc. ,  Yuima Nakazato Co., Ltd.

Inventor： Yuima Nakazato ,  Atsushi Ikeda

IPC: D03D3/00 ,  C08L89/00 ,  D04B1/22 ,  D06M14/24

Abstract: An object of the present invention is to provide a fabric capable of easily and inexpensively forming a desired three-dimensional shape. The fabric according to the present invention contains an artificial protein fiber that contains a protein, in which the fabric has a surface including: a portion A that shrinks at a predetermined shrinkage rate when being brought into contact with water; and a portion B that has a shrinkage rate lower than that of the portion A when being brought into contact with water.

公开(公告)号：US20220251150A1

公开(公告)日：2022-08-11

申请号：US17622272

申请日：2020-06-24

Applicant: Spiber Inc.

Inventor： Akito Sato

IPC: C07K14/435 ,  C12N1/20 ,  C12N15/70 ,  C12P21/02 ,  D06N3/12

Abstract: An object of the present invention is to provide an artificial fur which has a sufficient moisture-absorbing property and reduces energy required for the manufacture. The artificial fur according to this invention includes an artificial protein fiber.

公开(公告)号：US20220080632A1

公开(公告)日：2022-03-17

申请号：US17279082

申请日：2019-09-27

Applicant: Spiber Inc.

Inventor： Masami Takemoto ,  Hideo Hirata ,  Susumu Kiyosue ,  Kazuhiro Uchida ,  Masahiro Asakawa

IPC: B29C45/00

Abstract: A resin molded article contains a thermoplastic resin, a filler dispersed in the thermoplastic resin, and protein short fibers each having a fiber length of 24 mm or less and dispersed in the thermoplastic resin.

公开(公告)号：US20220033870A1

公开(公告)日：2022-02-03

申请号：US17426610

申请日：2020-01-30

Applicant: Spiber Inc.

Inventor： Kenji NAKAHIGASHI ,  Li JIANG ,  Takanobu NODA ,  Kenji TSUYAMA

IPC: C12P21/02 ,  C12N15/90

Abstract: The present invention relates to a production method for a recombinant protein, the production method including a growth reduction step of reducing cell growth of recombinant cells which express a recombinant protein and a production step of producing the recombinant protein by culturing the recombinant cells in a protein production culture medium in a state of reducing the cell growth, in which the cell growth of the recombinant cells is reduced in the growth reduction step by using recombinant cells having at least one modified morphogenetic regulator as the recombinant cells.

公开(公告)号：US20220010460A1

公开(公告)日：2022-01-13

申请号：US17427895

申请日：2020-02-07

Applicant: Spiber Inc.

Inventor： Yunosuke ABE ,  Hideto ISHII ,  Ryoko SATO ,  Akito SATO ,  Hirotada ANDO ,  Hiroshi KANO ,  Koichi KOTAKA ,  Jun KOBAYASHI

IPC: D01F4/02 ,  C07K14/435 ,  D01D5/06 ,  D02G3/04

Abstract: An object of the present invention is to provide a method for producing a modified fibroin multifilament excellent in productivity and a multifilament produced by the same. The multifilament of the present invention contains modified fibroin, in which the multifilament has 100 or more constituent single yarns, a coefficient of variation in elastic modulus is 15% or less, a coefficient of variation in strength is 15% or less, and a coefficient of variation in elongation is less than 33%.

公开(公告)号：US20210214404A1

公开(公告)日：2021-07-15

申请号：US17262350

申请日：2019-07-24

Applicant: Spiber Inc. ,  Kojima Industries Corporation

Inventor： Masato Matsuo ,  Hideto Ishii ,  Yunosuke Abe

IPC: C07K14/435 ,  A41G3/00

Abstract: The present invention pertains to an artificial hair fiber that includes an artificial fibroin fiber containing a modified fibroin and that expands when being in a wet state and shrinks when being dried after the wet state.

公开(公告)号：US20210162677A1

公开(公告)日：2021-06-03

申请号：US17043820

申请日：2019-04-01

Applicant: Spiber Inc.

Inventor： Kazuki Sakata ,  Kentaro Takahashi

IPC: B29C65/14 ,  C07K14/435 ,  D01F4/02 ,  D01F1/02

Abstract: Disclosed is a molded article including a modified fibroin and a water resistance-imparting material. The modified fibroin and the water resistance-imparting material may be covalently bonded.

公开(公告)号：US20210040649A1

公开(公告)日：2021-02-11

申请号：US16965661

申请日：2019-01-31

Applicant: Spiber Inc.

Inventor： Akito Sato ,  Yunosuke Abe

IPC: D01F4/02 ,  D02G3/24 ,  D06M11/05

Abstract: An object of the present invention is to provide a method for efficiently manufacturing a protein crimped staple from protein filaments at a low cost. A manufacturing method for a protein crimped staple according to the present invention includes: a) preparing an artificial fibroin filament containing a modified fibroin; b) cutting the artificial fibroin filament to obtain an artificial fibroin staple; and c) performing crimping by bringing the artificial fibroin filament into contact with an aqueous medium to crimp the artificial fibroin filament before the cutting or bringing the artificial fibroin staple into contact with an aqueous medium to crimp the artificial fibroin staple after the cutting.

公开(公告)号：US20200031887A1

公开(公告)日：2020-01-30

申请号：US16491640

申请日：2018-03-05

Applicant: Spiber Inc. ,  Kojima Industries Corporation

Inventor： Junichi Sugahara ,  Keisuke Morita ,  Hiroyuki Nakamura

IPC: C07K14/435 ,  D01F4/02 ,  D01D10/00

Abstract: The present invention relates to a highly contracted artificial fibroin fiber including a modified fibroin, in which a contraction percentage defined by the following equation exceeds 7%. Contraction percentage={1−(length of contracted artificial fibroin fiber/length of artificial fibroin fiber before being brought into contact with water after spinning)}×100(%)

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.