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:
Aug. 06, 1996
Filed:
Feb. 17, 1994
Robert M Myers, Stanford, CA (US);
Felix A Landrau, San Jose, CA (US);
Alza Corporation, Palo Alto, CA (US);
Abstract
An electrically powered transdermal iontophoretic delivery device (10, 20) and a method of making same is provided. The device utilizes electrode assemblies (8, 9) composed of a substantially homogenous blend of a polymeric matrix containing about 5 to 50 vol % of a conductive filler which forms a conductive network through the matrix, and up to about 50 vol % of the agent to be iontophoretically delivered through the skin. In the case of the donor electrode assembly, the agent is typically a drug and preferably a water soluble drug salt. In the case of the counter electrode assembly, the agent is typically an electrolyte salt. The homogenous blend eliminates the need for separate electrode and agent containing layers which require lamination.