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:
Jul. 28, 2015
Filed:
Apr. 05, 2011
Applicants:
Kazutoshi Kobayashi, Ibaraki, JP;
Naosuke Sumi, Ibaraki, JP;
Kazuo Kusaki, Ibaraki, JP;
Tomoko Machida, Ibaraki, JP;
Inventors:
Kazutoshi Kobayashi, Ibaraki, JP;
Naosuke Sumi, Ibaraki, JP;
Kazuo Kusaki, Ibaraki, JP;
Tomoko Machida, Ibaraki, JP;
Assignee:
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 14/435 (2006.01); A61K 8/64 (2006.01); A61Q 19/00 (2006.01); C08J 9/28 (2006.01);
U.S. Cl.
CPC ...
C07K 14/43586 (2013.01); A61K 8/64 (2013.01); A61Q 19/00 (2013.01); C08J 9/28 (2013.01); C08J 2201/0544 (2013.01); C08J 2207/10 (2013.01); C08J 2389/00 (2013.01);
Abstract
By a silk fibroin porous material containing silk fibroin and an amino acid and a method for producing a silk fibroin porous material including freezing a fibroin solution having an amino acid added to a fibroin aqueous solution and subsequently thawing the solution to obtain a porous material, a porous material which does not contain a solvent and which is high in safety and a method for producing the same are provided.