Patent · US Active

Process for preparing a crosslinked hyaluronic acid gel via homogenization in a deformable pouch

US9353194B2 · kind B2 · utility

0Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 7, 2010
Grant dateMay 31, 2016
Priority date—
Expiry dateMay 7, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2305/08
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for preparing a crosslinked gel of at least one polymer or one of its salts, including a) providing an aqueous medium containing at least one polymer, b) forming a homogenous gel from the medium from step a), c) bringing the gel obtained in step b) into contact with an effective amount of at least one crosslinking agent; d) crosslinking the mixture formed in step c); and e) recovering the crosslinked hydrogel, wherein at least steps a) to d) are carried out within a hermetic cavity delimited at least partially by a deformable wall, the mixture present in the cavity being exposed, in step d), to conditions conducive to crosslinking.

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