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. 08, 1989
Filed:
Sep. 06, 1988
Applicant:
Inventors:
Dinesh C Patel, Murray, UT (US);
Charles D Ebert, Salt Lake City, UT (US);
Assignee:
TheraTech, Inc., Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
514212 ; 514424 ; 514629 ; 514708 ; 514724 ; 514738 ; 514947 ;
Abstract
A composition and method for reducing the skin irritation properties of a transdermal drug/enhancer composition which comprises incorporating into said composition, either prior to or at the time of application the skin, an effective amount of glycerin. When incorporated into the drug/enhancer composition prior to application to the skin the glycerin content will be between about 0.1 and 70 wt. %, preferably between about 1.0 and 50 wt. % and most preferably between about 5.0 and 20 wt. % of the composition.