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:
Feb. 25, 2025
Filed:
Nov. 22, 2022
Applicant:
Primex Ehf., Fjallabyggð, IS;
Inventor:
Mar Masson, Reykjavik, IS;
Assignee:
PRIMEX EHF, Fjallabyggd, IS;
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/08 (2006.01); A61K 31/722 (2006.01);
U.S. Cl.
CPC ...
C08B 37/003 (2013.01); A61K 31/722 (2013.01);
Abstract
Disclosed is a method of preparing N-alkylated chitosan derivatives by treating chitosan with an acid and subsequently reacting the chitosan with an alkylating agent in the presence of a base. Also provided are novel N-alkylated chitosan derivatives.