Patent · US Active

Thermogelling anaesthetic compositions

US8834927B2 · kind B2 · utility

1Cited by

1References

11Claims

0Family size

Assignee

Pharmanest AB · SE

Inventors

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

Key dates

Filing date	Mar 31, 2011
Grant date	Sep 16, 2014
Priority date	—
Expiry date	Jul 15, 2031

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.