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:
Jul. 03, 1990
Filed:
Sep. 02, 1986
Applicant:
Inventors:
David J Enscore, Sunnyvale, CA (US);
Eun S Lee, Redwood City, CA (US);
Su I Yum, Los Altos, CA (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
6048961 ; 424449 ;
Abstract
A transdermal delivery device having a release-rate controlling-adhesive is disclosed having improved delivery characteristics. The device employs a polyisobutylene/mineral oil adhesive formulation and an ethylene/viny acetate (EVA) drug reservoir formulation. The device is useful in delivering a wide variety of transdermally administrable drugs, particularly those which are moderately soluble in mineral oil. Preferred embodiments deliver timolol base and atropine base from an EVA (40% VA) reservoir formulation.