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:
Aug. 24, 2010
Filed:
Nov. 18, 2004
Jui-hsiang Chen, Hsinchu, TW;
Bin-hong Tsai, Kaohsiung, TW;
Hsuen-tseng Chang, Kaohsiung, TW;
Muh-lan Chen, Hsinchu, TW;
Yu-hua Chen, Taichung, TW;
Shu-hua Jan, Changhua, TW;
Mei-jung Liu, Miaoli, TW;
Jui-Hsiang Chen, Hsinchu, TW;
Bin-Hong Tsai, Kaohsiung, TW;
Hsuen-Tseng Chang, Kaohsiung, TW;
Muh-Lan Chen, Hsinchu, TW;
Yu-Hua Chen, Taichung, TW;
Shu-Hua Jan, Changhua, TW;
Mei-Jung Liu, Miaoli, TW;
Industrial Technology Research Instittute, Chutung, Hsinchu, TW;
Abstract
A biodegradable hyaluronic acid derivative comprising a modified hyaluronic acid repeating unit represented by the formula (HA)-[O(C═O)NH-M], wherein HA is a unit including N-acetyl-D-glucosamine and D-glucuronic acid, M is a modifying moiety containing a Chydrocarbyl group or a prepolymer, and p is an integer of 1 to 4. The biodegradable hyaluronic acid derivative when dissolved in a hydrophilic medium can form micelles and can be used to entrap a pharmaceutically active or bioactive molecule.