A method for the manufacture of breast prostheses
CA 2313494 A1 · Owner: Amoena Medizin-Orthopadie-Technik Gmbh & Co. · Inventors: Stelter, Nils; Stuffer, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For the manufacture of breast prostheses consisting of a shell-shaped body made from an addition-vulcanising two component silicone rubber mass, which body is contained in plastic films enveloping it, a filler of low density consisting of hollow spheres or microspheres is added to the two-component silicone rubber mass. The mixture is poured into a plastic film sheath and cured in a heated mould. To achieve the best possible processing capability of the mixture of the two component silicone rubber mass with the hollow spheres or microspheres the, hollow spheres or microspheres are plastically deformed before they are mixed with the two components of the silicone rubber mass.
Read the whole patent
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
- Filed July 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 10, 2022.
- 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.