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.

Date of Patent:
Oct. 19, 1993

Filed:

Jan. 28, 1991
Applicant:
Inventors:

Hans R Hoffmann, Neuwied, DE;

Michael Horstmann, Neuwied, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424449 ; 424448 ; 424489 ;
Abstract

The present invention relates to a transdermal therapeutic system with tulobuterol or one of the pharmaceutically acceptable salts thereof as active substance, comprising a backing layer which is substantially impermeable to active substances and at least one matrix layer which contains the active substance, which matrix layer comprises at least one styrene-1,3-diene-styrene block copolymer. The present invention is further directed to a process for the production of said transdermal therapeutic system.


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