Gasoline sulfur reduction catalyst for fluid catalytic cracking process
CA 2599418 C · Owner: Wormsbecher, Richard Franklin · Inventors: Wormsbecher, Richard Franklin; Hu, Ruizhong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes especially gasoline , products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium and at least one element selected from the group consisting of zinc, magnesium and manganese wherein the yttrium and , element are present as cations. The yttrium and zinc are preferably present as cations that have been exchanged onto the zeolite. The zeolite is preferably a zeolite Y.
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 February 24, 2006 and granted October 6, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 24, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.