Hyaluronic acid gel, process for producing the same, and...

Details Hyaluronic acid gel, process for producing the same, and... Hyaluronic acid gel, process for producing the same, and...

2006-03-21

2006-03-21

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

C424S423000, C424S426000, C424S484000, C424S485000, C424S078080, C424S078170

Reexamination Certificate

active

07014860

ABSTRACT:
Production of a hyaluronic acid gel, which comprises keeping hyaluronic acid in water at a hyaluronic acid concentration of at least 5 wt % in the presence of an acid component in an amount at least equimolar with the carboxyl groups in the hyaluronic acid.

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patent: 9-59303 (1997-03-01), None
patent: WO 99/10385 (1999-03-01), None

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