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. 02, 1999
Filed:
Jul. 16, 1997
Applicant:
Inventors:
Philip W Ledger, Carlton, GB;
Michel JN. Cormier, Mountain View, CA (US);
Patricia S Campbell, Palo Alto, CA (US);
Assignee:
ALZA Corporation, Palo Alto, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
604 20 ; 604 49 ;
Abstract
The invention is directed to a composition and product for use in an electrotransport device. The composition includes an ionized drug, an anti-inflammatory agent and a solvent. Preferably, the anti-inflammatory agent is hydrocortisone or esters thereof, and the solvent is an alcohol, a glycol, a glycerol, a cyclodextrin, a nonionic surfactant or mixtures thereof. The composition preferably further includes a gel matrix that is a swellable, hydrophilic polymer, a water soluble hydrophilic polymer or a solid polymer. A hydrophobic polymer and/or additives may also be included.