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:
Feb. 28, 1995
Filed:
Jun. 08, 1993
Hans-Rainer Hoffmann, Neuwied, DE;
Robert P Klein, Neuwied, DE;
Reinhold Meconi, Neuwied, DE;
Gunter Cordes, Leichingen, DE;
Hans M Wolff, Monheim, DE;
LTS Lohmann Therapie-Systeme GmbH & Co. KG, Neuweid, DE;
Schwarz Pharma AG, Monheim, DE;
Abstract
The present invention relates to active substance plasters for the controlled release of active substances to the skin consisting of a backing layer, an adhesive film connected therewith which film is water-soluble and consists of pressure-sensitive adhesive which comprises water-swellable polymers and in which the active substance is at least partially soluble, and of a removable protective layer covering the adhesive film, in which plasters the pressure-sensitive adhesive is based on homo and/or copolymers with at least one derivative of the acrylic or methacrylic acid, and which comprise as active substances, partially or completely dissolved in the adhesive, at a concentration of 0.5 to 10.0%-wt estrogens and their pharmaceutically acceptable derivatives alone or in combination with gestagens.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile