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:
Dec. 27, 2022
Filed:
Aug. 23, 2019
Applicant:
Haskoli Islands, Reykjavik, 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.
Masson, Mar. (2022). Chitosan derivatives and methods for preparing the same (U.S. Patent No. 11535684). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11535684
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile