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. 20, 2001
Filed:
Nov. 13, 1996
Applicant:
Inventors:
Hans-Rainer Hoffmann, Neuwied, DE;
Michael Roreger, Neuwied, DE;
Assignee:
LTS Lohmann Therapie-Systeme GmbH, Neuwied, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 1/302 ;
U.S. Cl.
CPC ...
A61F 1/302 ;
Abstract
A device for the release of substances from pressure sensitive hot-melt adhesives with a uniform or non-uniform distribution of said substances is characterized by the fact that the pressure sensitive hot-melt adhesive is hydrophilic and comprises at least one water-soluble, or at least water-swellable, polymer, at least one water-soluble, meltable adhesive resin, as well as substance to be released.