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.

Date of Patent:
Aug. 16, 2016

Filed:

Jan. 08, 2016
Applicants:

Loma Linda University, Loma Linda, CA (US);

Loma Linda University Medical Center, Loma Linda, CA (US);

North Carolina State University, Raleigh, NC (US);

Inventors:

Wolff M. Kirsch, Redlands, CA (US);

Samuel M. Hudson, Raleigh, NC (US);

Andrew Crofton, Loma Linda, CA (US);

Assignees:

Loma Linda University, Loma Linda, CA (US);

Loma Linda University Medical Center, Loma Linda, CA (US);

North Carolina State University, Raleigh, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 2/14 (2006.01); B29C 43/00 (2006.01); A61F 13/00 (2006.01); A61L 24/08 (2006.01); A61L 24/00 (2006.01); B29L 31/00 (2006.01); B29C 43/56 (2006.01);
U.S. Cl.
CPC ...
A61F 13/00987 (2013.01); A61F 13/00012 (2013.01); A61L 24/0015 (2013.01); A61L 24/0042 (2013.01); A61L 24/08 (2013.01); B29C 43/003 (2013.01); A61F 2013/00106 (2013.01); A61L 2300/232 (2013.01); A61L 2300/404 (2013.01); A61L 2400/04 (2013.01); A61L 2400/18 (2013.01); B29C 2043/561 (2013.01); B29C 2793/009 (2013.01); B29K 2005/00 (2013.01); B29L 2031/7722 (2013.01);
Abstract

A thin chitosan-based material can be used for biomedical applications. The chitosan has been treated in a nitrogen field by applying energy to ionize nitrogen in and around the chitosan material. A single or multiple such treatments may be employed. For example, the chitosan material may be irradiated under nitrogen using γ-irradiation, treated under a nitrogen plasma, or both. A thin chitosan material can be readily treated by surface modifying treatments such as irradiating under nitrogen using γ-irradiation, treating under a nitrogen plasma, or both.


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