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:
Mar. 25, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Robert M Gale, Los Altos, CA (US);
Eun Soo Lee, Redwood City, CA (US);
Lina T Taskovich, Palo Alto, CA (US);
Terry L Burkoth, Palo Alto, CA (US);
Assignee:
ALZA Corporation, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424448 ; 424449 ;
Abstract
A device for the transdermal administration of oxybutynin comprising a microporous tie layer located between the oxybutynin reservoir and the contact adhesive. The tie layer eliminates blooming and delamination and has no appreciable adverse effect on either the oxybutynin flux or release rate from the device.