Last Updated: November 8, 2026

Patent: 10,065,997

Summary for Patent: 10,065,997

Title:	Polypeptide porous body and method for producing same
Abstract:	A polypeptide porous body of the present invention is a porous body of a polypeptide derived from spider silk proteins. The polypeptide includes a water-insoluble polypeptide. The polypeptide porous body has an apparent density of 0.1 g/cm3 or less. A method for producing the polypeptide porous body includes: a solution production step in which the polypeptide is dissolved in at least one solvent selected from DMSO, DMF, and these with an inorganic salt, so as to obtain a solution of the polypeptide; a step in which the solution produced in the solution production step is substituted with a water-soluble solvent so as to obtain a polypeptide gel; and a step in which the polypeptide gel is dried. Thereby, the present invention provides a polypeptide porous body having excellent water absorbability and a polypeptide porous body suitable for application to a living body, and a method for producing the same.
Inventor(s):	Toshiaki Osawa, Keisuke Morita
Assignee:	Spiber Inc
Application Number:	US14/764,463
Patent Claims:	see list of patent claims

Details for Patent 10,065,997

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Octapharma Pharmazeutika Produktionsges.m.b.h.	WILATE	von willebrand factor/coagulation factor viii complex (human)	For Injection	125251	December 20, 2010	⤷ Start Trial	2034-04-18
Celgene Corporation, A Bristol-myers Squibb Company	ABECMA	idecabtagene vicleucel	Suspension	125736	March 3, 2021	⤷ Start Trial	2034-04-18
Celgene Corporation, A Bristol-myers Squibb Company	ABECMA	idecabtagene vicleucel	Suspension	125736	April 4, 2024	⤷ Start Trial	2034-04-18
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

International Patent Family for US Patent 10,065,997

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Country	Patent Number	Estimated Expiration
China	104936978	⤷ Start Trial
European Patent Office	2990413	⤷ Start Trial
Japan	5796147	⤷ Start Trial
Japan	WO2014175178	⤷ Start Trial
United States of America	2015361144	⤷ Start Trial
World Intellectual Property Organization (WIPO)	2014175178	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration

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