Pollution control catalyst for minimizing h-s emissions
CA 1317274 C · Owner: Lester, George R. · Inventors: Lester, George R.; Joy, George C. Iii; Marinangeli, Richard E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
POLLUTION CONTROL CATALYST, FOR MINIMIZING H2S EMISSIONS" ABSTRACT, This invention relates to a H2S minimizing pollution control catalytic composite comprising a mixture of a primary refractory inorganic oxide support having dispersed thereon a first active component selected from the group consisting of rare earth oxides and a secondary support consisting of zirconia, titania or cerium oxide having dispersed thereon a second active component selected from the group consisting of metals which form a, stable sulfide, oxides of these metals and mixtures thereof, said mixture of supports or said primary support having at least one main catalytic metal selected from the group consisting of …
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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 May 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 2010.
- 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.