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. 27, 2001
Filed:
Jun. 08, 1998
Applicant:
Inventors:
Michael Horstmann, Neuwied, DE;
Wolfgang Laux, Dietz, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 1/302 ; A61K 9/70 ; A61L 1/516 ;
U.S. Cl.
CPC ...
A61F 1/302 ; A61K 9/70 ; A61L 1/516 ;
Abstract
An active substance-containing transdermal pharmaceutical preparation with a given size of contact surface, comprising a tack-free backing layer which is permeable to active substances and an adhesive layer adhering to the skin is characterized by the fact that the backing layer comprises at least a third of the total active substance amount contained in the preparation.