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:
May. 19, 2015
Filed:
Mar. 26, 2013
Applicant:
Thomas Freier, Mainz, DE;
Inventor:
Thomas Freier, Mainz, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 31/04 (2006.01); A61K 9/16 (2006.01); A61K 9/00 (2006.01); A61L 27/20 (2006.01); A61L 27/34 (2006.01); A61L 27/50 (2006.01); A61L 27/52 (2006.01); A61L 29/04 (2006.01); A61L 29/08 (2006.01); A61L 29/14 (2006.01); A61L 31/10 (2006.01); A61L 31/14 (2006.01); C08B 37/08 (2006.01); C08J 3/075 (2006.01); C08L 5/08 (2006.01); D01D 5/06 (2006.01); D01F 9/00 (2006.01); A61K 47/36 (2006.01);
U.S. Cl.
CPC ...
A61L 31/042 (2013.01); A61K 9/1652 (2013.01); A61K 9/0024 (2013.01); A61K 9/0092 (2013.01); A61K 47/36 (2013.01); A61L 27/20 (2013.01); A61L 27/34 (2013.01); A61L 27/50 (2013.01); A61L 27/52 (2013.01); A61L 29/043 (2013.01); A61L 29/085 (2013.01); A61L 29/14 (2013.01); A61L 29/145 (2013.01); A61L 31/10 (2013.01); A61L 31/14 (2013.01); A61L 31/145 (2013.01); C08B 37/003 (2013.01); C08J 3/075 (2013.01); C08J 2305/08 (2013.01); C08L 5/08 (2013.01); D01D 5/06 (2013.01); D01F 9/00 (2013.01);
Abstract
An article containing N-acylchitosan is manufactured by a process comprising the steps of providing a mixture containing chitosan and/or N-acylchitosan, and extruding the mixture to form an N-acylchitosan hydrogel. Alternatively, the process comprising the steps of providing a chitosan and/or N-acylchitosan hydrogel, and extruding the hydrogel. An article with a memorized shape is formed by fixing the N-acylchitosan hydrogel in a desired shape, and at least partially drying the fixed hydrogel. A patient is treated by injecting the N-acylchitosan hydrogel.