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:
Dec. 09, 2003
Filed:
Sep. 29, 1998
Applicant:
Inventors:
Tyler Watanabe, Los Altos, CA (US);
Robert M. Gale, Los Altos, CA (US);
Assignee:
Alza Corporation, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 1/300 ;
U.S. Cl.
CPC ...
A61F 1/300 ;
Abstract
This invention relates to the field of transdermal drug delivery devices and more particularly to improved storage stability thereof. The invention comprises providing a transdermal drug delivery device with a non-occlusive backing or release liner in combination with a degradation protectant such as a desiccant or oxygen scavenger within the sealed pouch containing the device. The combination of the present invention provides increased shelf-life of these devices.