The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 2019
Filed:
Feb. 20, 2015
Applicant:
Nal Pharmaceutical Group Limited, Causeway Bay, HK;
Inventors:
Y. Joseph Mo, Princeton, NJ (US);
Tiffany Kawai, Princeton, NJ (US);
Assignee:
NAL PHARMACEUTICAL GROUP LIMITED, Causeway Bay, HK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 35/00 (2006.01); A61K 31/445 (2006.01); A61K 9/70 (2006.01);
U.S. Cl.
CPC ...
A61M 35/00 (2013.01); A61K 9/7053 (2013.01); A61K 9/7069 (2013.01); A61K 9/7076 (2013.01); A61K 31/445 (2013.01);
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.