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:
Nov. 23, 1999
Filed:
Apr. 28, 1995
Applicant:
Inventors:
J Richard Gyory, San Jose, CA (US);
Patricia S Campbell, Palo Alto, CA (US);
Assignee:
ALZA Corporation, Palo Alto, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514970 ; 514329 ; 514946 ; 514947 ; 564194 ; 604 20 ;
Abstract
A composition suitable for transdermal electrotransport delivery of an agent through a body surface comprises a free acid/base form of an agent to be delivered by transdermal electrotransport, and a salt form of the agent, and optionally a permeation enhancer. Methods of enhancing transdermal electrotransport delivery and of forming a composition for the enhancement of transdermal electrotransport drug delivery, and a transdermal electrotransport delivery device (10) utilizing the compositions of the invention are disclosed.