Apparatus for delivering nitroglycerin to the skin, process for the production thereof and the use thereof
CA 1329363 C · Owner: Lohmann Gmbh & Co. Kg · Inventors: Meconi, Reinhold; Hoffmann, Hans-Rainer; Jaeger, Halvor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for the controlled delivery or release of nitroglycerin to human or animal skin is disclosed. The apparatus is preferably in plaster form with a nitroglycerin-impermeable backing layer a single or, multiple-part reservoir containing a pressure sensitive adhesive single or multiple-part reservoir comprising nitroglycerin in uniform or irregular distribution and optionally, a removable protective layer impermeable to nitroglycerin. The reservoir is produced using hot melt pressure sensitive adhesives with a processing temperature of about 40 to 80°C, preferably about 40 to 60°C and in the particularly preferred manner about 40 to 55°C. The preferred use of the apparatus is for …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.