Patent · US Active

Photocrosslinked hyaluronic acid derivatives, and the preparation process and use thereof

US9889226B2 · kind B2 · utility

1Cited by

1References

20Claims

0Family size

Assignee

FIDIA FARMACEUTICI S.p.A. · IT

Inventors

Monica Campisi · Abano Terme, IT
Ottorino De Lucchi · Montecchio Maggiore, IT
Riccardo Beninatto · Abano Terme, IT
Giuseppe Borsato · Abano Terme, IT

Key dates

Filing date	Feb 4, 2014
Grant date	Feb 13, 2018
Priority date	—
Expiry date	Feb 12, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2430/06
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are photocrosslinked hyaluronic acid (HA) derivatives consisting of HA, a bifunctional polyethylene glycol (PEG) spacer which is triethylene glycol, and a photoreactive compound selected from a coumarin derivative and propiophenone.

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