Transdermal drug delivery system for anti-inflammatory analgesic agent comprising diclofenac diethylammonium salt, and the manufacturing method thereof
US6723337B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2000 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Jun 19, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention herein relates to a transdermal drug delivery systern for anti-Inflammatory analgesic. agent comprising diclofenac diethylammonium salt, wherein a backing film (1), a matrix layer (2) containing active ingredients, a release liner (3) which is removed before application onto the skin are laminated therein. Mome particularly, the invention herein relates to a transdermal drug delivery system for anti-inflammatory analgesic agent comprising diclofenac diethylammonum salt, wherein the transdermal penetration and adhesion of the patch to the body are enhanced by means of a matrix layer which comprises a diclofenac diethylammonum salt as active ingredient in addition to acrylic polymer as adhesive constituent, non-ionic surfacant as absorption enhancer, terpene and dissolution assistant, and the volatile and non-volatile constituents of the composition arc separately applied therein for significantly reducing the manufacturing time thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.