Catalyst filter, method for manufacturing a catalyst filter and comprehensive method for treating a combustion exhaust gas using a catalyst filter
CA 1338286 C · Owner: Iida, Yukio · Inventors: Ishii, Tatsuo; Ogawa, Hiroshi; Kaihara, Yuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are a catalyst filter characterized in that catalyst particles which are made of titanium oxide if, necessary, together with vanadium oxide and/or tungsten oxide and whose diameters are between 0.01 and 1 µm are carried by a filter made by weaving monofilaments of a glass fiber and/or of a catalytic fiber;, a method for manufacturing thereof; and a comprehensive method for treating a combustion exhaust gas characterized in that an alkaline powder or ammonia or its precursor is supplied to a flow of a combustion exhaust gas containing toxic substances such as dust acidic gases and, nitrogen oxides, and the flow of a combustion exhaust gas is let pass through a filter carrying a …
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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
- Granted April 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2013.
- 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.