The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 2021
Filed:
Jul. 24, 2017
Applicants:
Riken, Wako, JP;
Spiber Inc., Tsuruoka, JP;
Inventors:
Keiji Numata, Wako, JP;
Kousuke Tsuchiya, Wako, JP;
Junichi Sugahara, Tsuruoka, JP;
Takaoki Ishii, Tsuruoka, JP;
Hongfang Chi, Tsuruoka, JP;
Assignees:
RIKEN, Wako, JP;
SPIBER INC., Tsuruoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 4/02 (2006.01); D01F 4/00 (2006.01); D01D 1/02 (2006.01); A61L 27/22 (2006.01); D01D 5/16 (2006.01); D01F 1/10 (2006.01); D01F 6/68 (2006.01);
U.S. Cl.
CPC ...
D01F 4/02 (2013.01); A61L 27/22 (2013.01); D01D 1/02 (2013.01); D01D 5/16 (2013.01); D01F 1/10 (2013.01); D01F 4/00 (2013.01); D01F 6/68 (2013.01);
Abstract
Provided are a composite molding composition such as a composite film and a composite fiber that have properties such as an improved tensile strength, strain and toughness as a result of blending a peptide or polyamino acid having a β-sheet structure with a natural or artificially modified fibroin-derived protein; a method for producing such composite molding composition; and a method for improving the physical properties of a composite molding composition containing a fibroin-derived protein.