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:
Sep. 25, 2001
Filed:
Aug. 12, 1999
Dirk Schenk, Dietramszell, DE;
German Gassner, Friedberg, DE;
Novosis Pharma AG, Munich, DE;
Abstract
A permeation cell for the in vitro determination of the permeation of pharmaceutical active ingredients through the skin, having a donor chamber (,) and an acceptor chamber (,) that is separable therefrom, a window lying between them for receiving sealingly a skin membrane wherein the acceptor chamber (,) is in the form of a cylindrical vessel that is upright during operation, having a closure (,) at its upper end and a side window opening (,) in the region near its base, and the donor chamber (,) is in the form of a connection piece that joins onto the acceptor chamber radially and can be closed at its outer end. The acceptor chamber (,) is inserted removably into a housing (,), which housing has, in the region of the window opening (,) of the acceptor chamber, a corresponding slightly wider opening (,), and the connection piece forming the donor chamber (,) is screwed removably onto the housing concentrically with the window opening (,).