Patent · US Active

Hyaluronic acid composition

US11154481B2 · kind B2 · utility

0Cited by

4References

12Claims

0Family size

Assignee

Q-MED AB · SE

Inventors

Åsa Wiebensjö · Uppsala, SE
Katarina Edsman · Alunda, SE

Key dates

Filing date	Sep 26, 2019
Grant date	Oct 26, 2021
Priority date	—
Expiry date	Sep 26, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2400/16
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An injectable hyaluronic acid composition including a hyaluronic acid; a local anesthetic selected from the group of amide and ester type local anesthetics or a combination thereof; and an ascorbic acid derivative in an amount which prevents or reduces the effect on the viscosity and/or elastic modulus G′ of the composition caused by the local anesthetic upon sterilization by heat. Further, the medical and non-medical, such as cosmetic, use of such a composition, and to a method of manufacturing such a composition.

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