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:
Apr. 04, 1995
Filed:
Jun. 21, 1993
Applicant:
Inventor:
J Bradley Phipps, Plymouth, MN (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
604 20 ; 128898 ; 6048901 ; 607-3 ;
Abstract
Methods for delivering therapeutic agents by iontophoresis with reduced or mitigated sensation are disclosed. The methods generally involve the step of delivering therapeutic agent by iontophoresis in the presence of an intentionally added sensation reducing amount of a multivalent ion. Preferred multivalent ions useful to mitigate sensation are calcium, magnesium, phosphate and zinc.