Patent · US Expired

Hyaluronic acid gel, process for producing the same, and medical material containing the same

US7014860B1 · kind B1 · utility

32Cited by
8References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 2000
Grant dateMar 21, 2006
Priority date
Expiry dateFeb 3, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L5/08
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.