Electrically conductive polyether polyurethanes
CA 2265876 A1 · Owner: Genovese, Alessandro · Inventors: Ricci, Vincent; Genovese, Alessandro; Gajewski, Vincent John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is disclosed for making an electrically conductive polyurethane elastomer from a polyether polyol prepolymer by blending an isocyanate terminated polyalkyleneether polyol prepolymer preferably TDI and MDI , terminated polyalkyleneether polyol with conductive metallic salts such as CuCl2 dispersed in a prepolymer-miscible carrier preferably , tri(betachloropropyl)phosphate thus providing a cured polymer with good conductivity while retaining its performance properties.
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 August 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 29, 2019.
- 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.