Non-stick ceramo-metallic coating for cooking utensils
CA 2403656 A1 · Owner: Hansz, Bernard · Inventors: Brugger, Emmanuel; Hansz, Bernard; Dodane, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a non-stick coating (4) for cooking utensils (1) characterised in that it is selected among the group comprising (a) ceramics alone selected among titanium oxynitrides titanium suboxides, titanium , subnitrides spinels, mixed spinels; and (b) ceramo-metallic mixtures wherein the ceramics are selected among titanium oxynitrides titanium suboxides, titanium subnitrides spinels, cerium fluoride, silicon carbide pyrolitic , carbon, boron carbide, and the metal is titanium.
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 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 2023.
- 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.