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. 09, 2008
Filed:
Mar. 12, 2003
Applicants:
Davide Bellini, Padua, IT;
Anna Maria Zanellato, Padua, IT;
Inventors:
Davide Bellini, Padua, IT;
Anna Maria Zanellato, Padua, IT;
Assignee:
Fidia Farmaceutici S.p.A., Abano Terme, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/715 (2006.01); A61K 31/728 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to hyaluronic acid ester derivatives, whose carboxylic groups are partially esterified with hydroxyl groups of propiophenone derivatives, to the hydrogel materials consisting of the said hyaluronic acid ester derivatives, to their preparation process by photocuring of the hyaluronic acid ester derivatives, and their use in the biomedical, sanitary and surgical fields, and in the medical field as controlled release systems for drugs.