Process for evaluating a refinery feedstock
CA 2579105 C · Owner: Hodges, Michael Graham · Inventors: Butler, Graham; Greenough, Paul; Gudde, Nicholas John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a process for evaluating the effect of a refinery feedstock on a refinery process, said process comprising: (i) providing a refinery feedstock; (ii) treating said refinery feedstock to produce a plurality of fractions each representative of the typical feedstock for the refinery process of interest, said plurality of fractions comprise at least two fractions with different properties; (iii) treating each of the plurality of fractions under experimental conditions representative of those in the refinery process, said treatments being carved out in an essentially parallel manner; and (iv) determining one or more performance criteria in respect of each fraction …
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 September 14, 2005 and granted July 9, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 14, 2025.
- 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.