Patent · US Active

Transdermal drug delivery system containing donepezil

US10195408B2 · kind B2 · utility

0Cited by

2References

7Claims

0Family size

Assignee

NAL PHARMACEUTICAL GROUP LIMITED · CN

Inventors

Y. Joseph Mo · Princeton, US
Tiffany Kawai · Princeton, US

Key dates

Filing date	Feb 20, 2015
Grant date	Feb 5, 2019
Priority date	—
Expiry date	Feb 20, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K31/445
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Certain embodiments of the invention relates to a transdermal drug delivery system containing donepezil or a pharmaceutically acceptable salt thereof as an active ingredient, more specifically to a transdermal drug delivery system containing a drug-containing matrix layer comprising donepezil or its pharmaceutically acceptable salt, a styrene copolymer, a hydrogenated rosin glycerol ester, and optionally a hydrocarbon resin.

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