Patent · US Expired

Device for the transdermal delivery of diclofenac

US6193996A · kind A · utility

42Cited by

7References

14Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Jochem Effing · Kelkheim, DE
Anja N. Becker · Bottrop, DE
Carsten Coors · Borken, DE

Key dates

Filing date	Mar 25, 1999
Grant date	Feb 27, 2001
Priority date	—
Expiry date	Mar 25, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K47/22
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention provides a pressure sensitive skin adhesive comprising: PA1 (a) a copolymer of one or more alkyl(meth)acrylates containing 4 to 12 carbon atoms in the alkyl group and one or more hydrophilic monomers; PA1 (b) a mixture of penetration enhancers comprising: PA2 (i) an alkyl ester of an aliphatic monocarboxylic acid containing 1 to 5 carbon atoms in the alkyl group PA2 (ii) an alkyl pyrrolidone and PA2 (iii) an alkane polyol PA1 (c) a therapeutically effective amount of diclofenac or a pharmaceutically acceptable salt thereof. Further provided is a transdermal drug delivery device containing the pressure sensitive skin adhesive.

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