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:
Jun. 12, 2012
Filed:
Aug. 31, 2010
Applicants:
Feng-huei Lin, Miaoli County, TW;
Wen-yu Su, Miaoli County, TW;
Yu-chun Chen, Miaoli County, TW;
Ko-hua Chen, Taipei, TW;
Inventors:
Feng-Huei Lin, Miaoli County, TW;
Wen-Yu Su, Miaoli County, TW;
Yu-Chun Chen, Miaoli County, TW;
Ko-Hua Chen, Taipei, TW;
Assignee:
National Health Research Institutes, Miaoli County, TW;
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01); A61K 31/765 (2006.01); A61F 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composition comprising a polymer that comprises oxidated hyaluronic acid cross-linked by a dihydrazide is disclosed. The polymer is a hydrogel exhibiting the following properties: a) transparent and colorless; and b) transforming from a liquid state into a gel-matrix at 37° C. These characteristics make it useful as a vitreous humor substitute.