公开(公告)号：US20230128695A1

公开(公告)日：2023-04-27

申请号：US17911296

申请日：2021-03-16

Applicant: Spiber Inc.

Inventor： Kazuki Sakata ,  Nao Kitahara ,  Seiji Shirakawa ,  Kentaro Takahashi ,  Leona Muto ,  Oliver Syed Shafaat ,  Hideki Kagata

IPC: C08H1/00 ,  C08L89/00

Abstract: An aspect of the present disclosure provides a synthetic polymer containing a first segment containing a polypeptide skeleton and one or a plurality of second segments bonded directly to the first segment, in which the second segment contains a molecular group having a plasticizing function for the polypeptide skeleton.

公开(公告)号：US20240383943A1

公开(公告)日：2024-11-21

申请号：US18704414

申请日：2022-11-02

Applicant: Spiber Inc.

Inventor： Kazuki Sakata ,  Seiji Shirakawa ,  Nao Kitahara ,  Takahiro Niwa

IPC: C07K1/02 ,  C07K14/00

Abstract: The present invention provides a β-ketoester of a protein containing an amino acid having a hydroxyl group, wherein the hydroxyl group forms an ester bond with a group represented by Formula (1) wherein R represents a C1-6 alkyl group or an optionally substituted aryl group.