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:
Apr. 08, 2014
Filed:
Feb. 21, 2007
Applicants:
Chun-ho Kim, Seoul, KR;
Seung-jae Lee, Seoul, KR;
Jin-ik Lim, Seoul, KR;
Youngsook Son, Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 37/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a method of producing a porous chitosan scaffold, the method including: providing an aqueous acidic solution having chitosan and a solvent which does not dissolve the chitosan; and freeze-drying the aqueous acidic solution, wherein the solvent is selected from the group consisting of a C3-C8 aliphatic alcohol having one hydroxy group, ethylene glycol monoethylether, ethylene glycol monobutylether, dioxane, tetrahydrofuran, dimethylcarbonate, acetone and acetonitrile, and a chitosan scaffold produced using the method.