Patent · US Active

Thermogelling anaesthetic compositions

US9254263B2 · kind B2 · utility

0Cited by

3References

27Claims

0Family size

Assignee

Pharmanest AB · SE

Inventors

Mark Sundberg · Kramfors, SE
Arne Brodin · Gately Drive, SE
Nils Kallberg · Täby, SE

Key dates

Filing date	Jul 18, 2014
Grant date	Feb 9, 2016
Priority date	—
Expiry date	Jul 18, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2300/402
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to a thermogelling pharmaceutical composition comprising local anaesthetics in base form and which is suitable for topical administration. The compositions further comprise a polyoxyethylene castor oil and one or more surfactants to obtain thermogelling characteristics.

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