Process for reducing pollutants from the exhaust of a diesel engine
CA 2401004 A1 · Owner: Langer, Deborah Ann · Inventors: Brown, Kevin Francis; Langer, Deborah Ann; Duncan, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a process for reducing the level of pollutants in the exhaust of a diesel engine, comprising: operating said diesel engine using as the fuel a water-diesel fuel emulsion; and contacting the exhaust gas from said diesel engine with an oxidation catalyst. The oxidation catalyst may be in the form of a cellular monolith (10). The cellular monolith (10) may be a ceramic extrusion (12). The monolith (10) is in the form of a honeycomb structure having small, parallel channels (20) running axially through it. The channel walls are coated with an inorganic oxide washcoat (16) and the catalyst (18) is deposited on the washcoat (16). Thick washcoat deposits (22) are …
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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
- Filed October 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 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.