Process for the protection and aggregation of metal materials of artistical interesting
CA 2063151 A1 · Owner: Syremont S.P.A. · Inventors: Moggi, Giovanni; Massa, Vincenzo; Matteini, Mauro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PROCESS FOR THE PROTECTION AND AGGREGATION OF METAL MATERIALS OF ARTISTICAL INTERESTING. * * * * *, Abstract Surface portions of metal materials, in particular constituting interesting artefacts from historical-artistic or archeological viewpoints, are protected from atmospheric agents and pollutants, and are re-aggregated by means of, the application, onto the concerned surfaces of a, protecting material constituted by a vinylidene fluoride polymer comprising 55-85 mol % of vinylidene fluoride 10-45, mol % of hexafluoropropene and 0-30 mol % of tetrafluoroethylene. Such polymers are applied onto the surface to be protected as solutions in volatile solvents.
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 March 16, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 16, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 16, 2014.
- 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.